Inconel 617 Sheet and Plate: ASTM B168, AMS5888, and AMS5889 Procurement Guide

Alloy 617 is bought for difficult high-temperature work, yet many purchase orders describe it with little more than a trade name and thickness. The same chemistry can arrive as hot-rolled plate, wide sheet, narrow strip, or coil, with different dimensional, processing, surface, and certification requirements.

DAXUN manufactures UNS N06617 sheet, plate, and strip and performs specified cutting, forming preparation, heat treatment, surface processing, inspection, identification, and packaging in-house. The exact manufacturing route and acceptance plan are established in the written order. We do not treat an Alloy 617 mill test certificate as automatic certification of a later welded assembly or formed component.

This guide explains how to select the correct product form and standard, interpret chemistry and mechanical data without turning reference values into false guarantees, control fabrication risks, and prepare an RFQ that can be reviewed before production begins.

First Decide Whether the Order Is Plate, Sheet, or Strip

The product form should be fixed before the buyer chooses tolerances, finish, testing, or packaging. Under ASTM B906-22, which supplies general requirements for ASTM nickel-alloy flat products, plate, sheet, and strip are separated by both thickness and width.^[1]

Product form under ASTM B906-22	Dimensional definition	Typical procurement consequence
Plate	3/16 in. (4.76 mm) and thicker, and over 10 in. (250 mm) wide	Usually ordered as individual pieces; flatness, cut method, edge condition, thickness variation, and optional ultrasonic examination may become important.
Sheet	Under 3/16 in. (4.76 mm) thick, and 24 in. (600 mm) or wider	Usually selected for broad formed parts, liners, ducting, or fabricated shells; surface condition and forming direction may be important.
Strip	Cold-rolled, under 3/16 in. (4.76 mm) thick, and under 24 in. (600 mm) wide	Often supplied in coils or cut lengths; slit-edge condition, burr, coil geometry, camber, and winding requirements can control usability.

These definitions matter because a commercial quotation may use “sheet” loosely for any thin flat product. ASTM terminology is more precise. A 2.0 mm product that is 1,200 mm wide is sheet; the same thickness at 300 mm wide is strip under the B906 definition. A coil is a delivery configuration, not a fourth ASTM product form. Likewise, a blank cut from plate remains traceable to plate even if its final dimensions are small.

Product terminology also affects the process route. Plate is commonly hot rolled before annealing and finishing. Sheet and strip can involve additional cold reduction, while strip edges may be slit or conditioned for feeding and forming. These controls do not appear in a simple alloy designation.

Do not specify product form by thickness alone, and do not assume that a supplier’s catalogue category overrides the governing specification. Put plate, sheet, or strip directly on the purchase order, followed by the dimensions and required delivery configuration.

ASTM B168-26, AMS5888E, and AMS5889D Have Different Jobs

ASTM B168-26 is the general commercial flat-product route for listed nickel alloys, while the two AMS documents split Alloy 617 plate from sheet and strip. They are alternative contractual routes, not a stack of certificates that every order automatically receives.

Specification	Current scope relevant to UNS N06617	Correct use	Important boundary
ASTM B168-26	Rolled UNS N06617 plate, sheet, and strip	General industrial and project procurement where ASTM B168 is approved	Use with applicable B906-22 general requirements. The order must still state form, dimensions, condition, finish, tests, and supplementary requirements.[1][2]
SAE AMS5888E	Consumable-electrode or vacuum-induction-melted, annealed Alloy 617 plate, nominally 2.00 in. (50.8 mm) and under	Aerospace or other controlled procurement when the drawing or customer specification invokes AMS5888E	Plate only and limited to the published thickness scope. Revision E became current on July 23, 2026; thicker plate requires another approved procurement route, and legacy drawings may still invoke an earlier approved edition.[3]
SAE AMS5889D	Corrosion- and heat-resistant Alloy 617 sheet and strip, consumable-electrode or vacuum-induction melted, annealed	Aerospace sheet/strip procurement where AMS5889D is required	Does not cover plate. The specified melting language and AMS quality provisions cannot be assumed from an ASTM B168 certificate.[4]

ASTM B168-26 explicitly includes UNS N06617 among the alloys in its plate, sheet, and strip scope.^[2] ASTM B906-22 provides the general framework used with B168, including terminology, ordering information, production, sampling, dimensions, finish, marking, certification, and preparation for delivery. In a conflict, B906 states an order of precedence: purchase order, individual material specification, then the general specification.^[1] This makes the purchase order technically consequential; it is not merely a commercial cover page.

AMS5888E and AMS5889D serve narrower aerospace-material routes. AMS5888E covers consumable-electrode or vacuum-induction-melted, annealed plate nominally 2.00 in. (50.8 mm) and under. AMS5889D covers consumable-electrode or vacuum-induction-melted, annealed sheet and strip. A buyer should not ask for “AMS5888/5889” without first identifying the form, thickness, and approved edition. Nor should an industrial buyer add both AMS documents to an ASTM order merely because they appear in a supplier table.^[3][4]

The correct route comes from the approved drawing, design authority, construction code, customer specification, and quality system. If a drawing names AMS5888D while the current publication is AMS5888E, engineering must decide whether the drawing remains locked to revision D or may be updated. Replacing an approved edition with “latest AMS” at quotation stage can create an unreviewed change.

Pressure-component design acceptance is separate from the flat-product certificate. Material conformity does not establish a finished component’s design, fabrication, examination, or stamping compliance. Check the governing construction code, allowable-stress table, weld procedure, heat treatment, and quality controls rather than copying historical allowable-stress values from a producer bulletin.

What Chemistry Defines UNS N06617?

Alloy 617 is a nickel-chromium-cobalt-molybdenum solid-solution-strengthened alloy with controlled aluminum and carbon. The composition produces a useful combination of high-temperature strength, oxidation resistance, and carburization resistance, but chemistry by itself does not certify product form, condition, grain structure, or fabricated-part performance.

The following table shows the AMS5888/AMS5889 composition limits published in ATI’s Alloy 617 technical data. Contract acceptance must follow the exact standard and edition stated in the order; the table is not a substitute for the purchased specification.^[5]

Element	Published AMS reference limit, wt.%	Metallurgical or procurement relevance
Nickel	Remainder	Maintains the austenitic matrix and supports resistance in many reducing and high-temperature environments.
Chromium	20.00-24.00	Supports formation of a protective chromium-rich oxide in oxidizing service.
Cobalt	10.00-15.00	Contributes to solid-solution strengthening and elevated-temperature strength.
Molybdenum	8.00-10.00	Provides substantial solid-solution strengthening and contributes to resistance in selected reducing media.
Aluminum	0.80-1.50	Works with chromium in high-temperature oxidation protection.
Carbon	0.05-0.15	Participates in carbide strengthening; carbon level and thermal history affect microstructure and long-term behavior.
Iron	3.00 max.	Controlled residual/addition within the alloy balance.
Manganese	0.50 max.	Controlled minor element under the AMS producer table.
Silicon	0.50 max.	Controlled minor element; excessive levels can affect processing and weld behavior.
Phosphorus	0.015 max.	Controlled impurity.
Sulfur	0.015 max.	Controlled impurity relevant to hot workability and weld quality.
Titanium	0.60 max.	Minor reactive element controlled within the alloy system.
Boron	0.006 max.	Small addition with a narrow maximum; reliable low-level analysis matters.
Copper	0.50 max.	Controlled residual/addition.

Special Metals publishes a broadly similar limiting composition but lists manganese and silicon at 1.0% maximum and does not show phosphorus in its older bulletin table.^[6] This illustrates why a producer data sheet, trade-name limit, and current contract specification are not automatically identical. Material can be chemically recognizable as Alloy 617 yet lack a particular AMS melting, sampling, or test requirement.

For acceptance, the MTC should identify the heat, specification and edition, UNS designation, reported chemistry, and relationship between the original heat and delivered pieces. ASTM E1473-22 provides referee chemical-analysis methods for nickel, cobalt, and high-temperature alloys, with method selection matched to element and concentration.^[8] PMI can prevent a grade mix-up but does not replace full heat chemistry, especially for carbon or boron.

Mechanical Properties Must Be Read by Form, Condition, Direction, and Thickness

Room-temperature tensile values are useful acceptance and fabrication indicators, but they are not a high-temperature design basis. Alloy 617 properties change with product form, reduction history, annealing, grain size, specimen orientation, thickness, and test temperature.

ATI’s current technical sheet separates the published AMS minima by form and plate thickness. AMS5889 coil and AMS5888 plate through 1.00 in. use 100 ksi (689 MPa) tensile strength, 40 ksi (276 MPa) 0.2% yield strength, and 40% elongation; AMS5888 plate above 1.00 through 2.00 in. uses 95 ksi (655 MPa), 35 ksi (241 MPa), and 35%, respectively.^[7] These are producer-published summaries of the AMS routes, not universal Alloy 617 values and not ASTM B168 acceptance values. Contract acceptance follows the exact purchased edition, form, thickness, test direction, and specimen requirements.

Data set and condition	Product form	0.2% yield strength	Tensile strength	Elongation	How to use it
ATI listed AMS5889 minimum reference	Coil	40 ksi (276 MPa) min.	100 ksi (689 MPa) min.	40% min.	Producer summary of the AMS5889 route; confirm the exact purchased edition and form.[7]
ATI listed AMS5888 minimum reference	Plate, t <= 1.00 in.	40 ksi (276 MPa) min.	100 ksi (689 MPa) min.	40% min.	Applies only to the stated AMS5888 thickness range.[7]
ATI listed AMS5888 minimum reference	Plate, 1.00 < t <= 2.00 in.	35 ksi (241 MPa) min.	95 ksi (655 MPa) min.	35% min.	Thicker AMS5888 plate uses a different minimum-property row.[7]
ATI typical, solution-annealed	Plate	60 ksi (410 MPa)	118 ksi (810 MPa)	54%	Producer reference showing a typical production result, not a guaranteed acceptance value.[7]
ATI typical, solution-annealed	Coil	55 ksi (380 MPa)	118 ksi (810 MPa)	58%	Illustrates product-route variation; “coil” must still be classified as sheet or strip for the order.[7]
Special Metals typical, solution-annealed, transverse	Hot-rolled plate	46.7 ksi (322 MPa)	106.5 ksi (734 MPa)	62%	Historical producer data from a stated form, direction, and condition; not a universal plate minimum.[6]
Special Metals typical, solution-annealed, transverse	Cold-rolled sheet or strip	50.9 ksi (351 MPa)	109.5 ksi (755 MPa)	58%	Historical producer data showing that sheet/strip processing can produce a different room-temperature result.[6]

This table deliberately keeps minimum reference values separate from typical values. A typical 810 MPa tensile result does not authorize a buyer to impose 810 MPa as a contractual minimum after price agreement. Conversely, a material meeting a room-temperature minimum is not thereby proven suitable for a 900°C creep-loaded component.

ASTM E8/E8M-25 is the current general test-method route for room-temperature tension testing of metallic materials. ASTM notes that a standardized specimen from a selected location may not represent the entire end product or its in-service behavior.^[9] That limitation becomes important when plate is cut into narrow ligaments, heavily formed, welded, locally heated, or exposed for thousands of hours.

For high-temperature design, engineering needs time-dependent data and the current approved design basis: creep rate, stress rupture, fatigue, oxidation allowance, weld-joint factors where applicable, thermal gradients, cycling, and construction-code requirements. Haynes publishes creep and rupture data for solution-annealed sheet from 760 to 982°C, but explicitly identifies the values as indicative producer data and marks some results as significantly extrapolated.^[10] Such data can support screening; it cannot replace the current project design rules.

Why the Annealed Condition and Grain Structure Matter

Solution annealing is not a cosmetic final step; it resets the cold-worked microstructure and strongly influences creep, ductility, grain size, and later fabrication. The order must define the required condition and preserve evidence of the thermal route.

Special Metals states that Alloy 617 is normally used in the solution-annealed condition and gives 2150°F (1175°C), held for a time commensurate with section size, followed by water quenching or rapid air cooling as a producer processing reference.^[6] ATI reports the same nominal solution-annealing temperature and connects the resulting coarse-grain structure with creep-rupture strength.^[7]

That reference temperature is not a universal shop instruction. Section thickness, cold work, time, atmosphere, cooling rate, and specification route affect the result. Thin sheet responds faster than heavy plate, and a cycle used to restore formability may not create the grain structure required for final high-temperature service.

The causal chain is straightforward:

1. Cold reduction and forming raise dislocation density and work harden the alloy.
2. Heating drives recovery and recrystallization; higher temperature or longer exposure can promote grain growth.
3. Fine grain generally helps room-temperature forming and fatigue resistance, while a coarser solution-annealed structure can favor creep-rupture performance.
4. An uncontrolled cycle can therefore produce acceptable chemistry but the wrong balance of formability, fatigue resistance, or long-term strength.
5. Verification requires a recorded cycle and the mechanical, grain-size, dimensional, or other tests called for by the governing order.

A starting-material MTC describes the material at the certified stage. After cold forming and solution annealing, its original tensile result no longer proves the properties of the finished blank. Final acceptance may require tensile, hardness, grain-size, dimensional, surface, or procedure-qualification evidence, as specified by the design and contract.

Creep and Oxidation Resistance Have Real Service Boundaries

Alloy 617 is attractive because it retains useful strength while chromium and aluminum support protective oxide formation, but the words “high-temperature alloy” do not define a safe operating envelope. Temperature, time, stress, atmosphere, deposits, velocity, pressure, thermal cycling, and component geometry must be evaluated together.

Special Metals reports high creep-rupture strength at 980°C and above and presents oxidation and carburization tests at temperatures up to approximately 1095-1150°C.^[6] Haynes publishes comparative flowing-air oxidation data through 1204°C under stated cyclic test conditions.^[10] BÖHLER describes L617 for elevated-temperature service up to 1100°C in specified power-generation applications.^[11] These statements demonstrate capability under particular test or producer conditions; they do not create a single universal maximum service temperature.

Several boundaries deserve explicit review:

• Oxidation is atmosphere-specific. Dry air, moist air, combustion gas, low-oxygen gas, steam-bearing atmospheres, and rapidly cycled service can produce different scales and spallation behavior.
• Carburization resistance is not immunity. Carbon activity, oxygen potential, exposure time, deposits, and surface condition determine carbon uptake. Special Metals’ comparative results were obtained in specific hydrogen/methane mixtures, not every furnace atmosphere.^[6]
• Sulfidation can change the ranking. Sulfur-bearing fuel, deposits, reducing conditions, or molten salts can destabilize protective oxides. Oxidation data alone are insufficient.
• Creep is time dependent. A temperature that is acceptable for a short liner exposure may be unacceptable for a pressure boundary carrying sustained stress for 100,000 hours.
• Thermal cycling adds strain. Restraint, weld geometry, thickness transitions, attachments, and mismatched expansion can drive fatigue even when uniform-temperature tensile strength looks adequate.
• Section loss matters more in sheet. The same absolute oxide penetration or metal loss consumes a larger fraction of a thin sheet than a thick plate.

Alloy 617 should also not be presented as automatically superior to Alloy 601, 625, 800H, X, 230, or newer high-temperature alloys. Each grade trades strength, oxidation behavior, carburization resistance, fabricability, availability, code coverage, and cost differently. Haynes itself advises considering Alloy 230 for modern applications in place of 617 in some circumstances.^[10] Selection belongs to the service conditions and approved design, not a generic “best alloy” ranking.

Forming Requires Control of Work Hardening and Intermediate Annealing

Alloy 617 can be hot and cold formed, but its strength and work-hardening rate make process history important. A bend radius copied from stainless steel or a low-strength nickel alloy can produce cracking, excessive springback, or a heavily hardened zone.

Special Metals characterizes Alloy 617 as readily cold formable by conventional nickel-alloy procedures while emphasizing its high work-hardening rate. The bulletin recommends a fine-grain condition for cold forming and frequent intermediate anneals for demanding work; it gives 1900°F (1040°C) as an annealing reference for cold forming.^[6] For hot forming, the same source gives 1850-2200°F (1010-1205°C) for heavy work and permits light working down to 1700°F (925°C).^[6]

These ranges are producer guidance, not a complete forming procedure. A qualified plan should consider starting grain size, thickness, bend orientation, minimum radius, reduction per pass, tool condition, lubrication, surface contamination, intermediate anneals, final heat treatment, and dimensional restoration. Thin sheet used for ducting may need springback compensation and protection from tool pickup. Heavy plate can demand high force and careful temperature uniformity.

Forming validation should use representative material at the actual thickness. Where strain is critical, the drawing should identify allowable thinning, local strain, wrinkling, tearing, and final dimensions. Creep- or fatigue-loaded parts also need review of retained cold work and recrystallized grain structure.

DAXUN can manufacture cut blanks and perform confirmed in-house processing to the agreed drawing and inspection plan. Processing is quoted only after the form, dimensions, tolerances, condition, and final acceptance requirements are reviewed. “Formed as required” is not a sufficient RFQ instruction.

Welding Changes the Acceptance Basis

Alloy 617 is weldable by established nickel-alloy processes, but a sound base-metal certificate does not qualify the welding procedure or accept the finished joint. Joint design, restraint, cleanliness, heat input, filler classification, shielding, interpass control, inspection, and service loading remain separate controls.

Special Metals identifies matching-composition Filler Metal 617 for gas-tungsten-arc and gas-metal-arc welding and Welding Electrode 117 for shielded-metal-arc welding.^[6] AWS A5.14/A5.14M:2026 classifies bare nickel and nickel-alloy welding electrodes and rods.^[12] A filler classification establishes the consumable category; it does not by itself qualify a procedure for a particular plate thickness, position, joint, code, or high-temperature service.

Before welding, remove oil, marking residues, oxide, and embedded foreign metal by an approved method. Control fit-up, restraint, shielding, heat input, and interpass condition. Thick plate, thin sheet, and dissimilar joints do not necessarily share one procedure window.

Postweld heat treatment is not automatically required or automatically beneficial. A thermal cycle can alter grain size, residual stress, carbide distribution, and dimensions. The governing construction code, design authority, approved WPS/PQR, and service requirements must decide whether any treatment is used. For creep service, the design must also address weld-metal and heat-affected-zone behavior rather than assuming that matching chemistry guarantees base-metal life.

Weld acceptance may include visual, penetrant, radiographic or ultrasonic examination, dimensions, leak or pressure testing, and qualification tests. “100% NDE” without a method, coverage, sensitivity, and rejection level is not reviewable.

Machining and Thermal Cutting Need a Plan for the Affected Surface

Alloy 617 can be machined and cut, but work hardening, heat input, recast layers, distortion, and loss of traceability can make a nominally correct blank unusable. The downstream operation should be known before material is released.

Special Metals recommends sharp cutting tools, positive rake angles, and feed and depth sufficient to prevent burnishing.^[6] The practical reason is that a light, rubbing pass hardens the surface; the next tool engagement then cuts a harder layer, raising heat and tool wear. Stable setup, rigid tooling, appropriate coolant, and a continuous positive cut are therefore more important than chasing a nominal speed from a generic chart.

Cutting routes produce different edge conditions. A thermal cut may leave oxide, heat-affected material, taper, dross, or distortion; abrasive processes can leave embedded particles or striations. State whether the edge is final, receives a machining allowance, needs oxide removal, or becomes a weld preparation.

After cutting, every blank or controlled lot must remain linked to its heat and material record through approved marking, tags, maps, or travelers. Uncontrolled marker transfer is not heat traceability.

Inspection Should Match the Failure Risk

Inspection is effective only when the method, sampling, coverage, acceptance limit, and disposition rule are defined. Adding every available test wastes cost; requesting “inspection certificate” without details leaves real risks uncontrolled.

Risk or requirement	Appropriate evidence to consider	Boundary
Wrong alloy or mixed heat	MTC chemistry, heat identity, controlled PMI where useful	PMI does not replace full chemistry or detect every controlled element.
Wrong strength or ductility	Tensile test to the governing material specification and applicable ASTM E8/E8M method	Test direction, specimen location, thickness, condition, and frequency must follow the contract.
Wrong product form or dimensions	Thickness, width, length, flatness, squareness, edge, and surface report	Tolerances must come from B906, the AMS route, drawing, or agreed special limits.
Internal laminations or discontinuities in plate	ASTM E2375-26a ultrasonic examination when contractually appropriate	E2375 applies to wrought product at least 0.250 in. (6.35 mm) thick and requires an acceptance class or alternate criteria; UT is not an automatic B168 requirement.[13]
Surface-breaking flaws	Visual and, where required, liquid penetrant examination under an approved method	Surface finish, cleaning, coverage, and rejection criteria affect sensitivity.
Incorrect heat-treated state	Furnace record, time/temperature trace, tensile/hardness results, and grain-size examination if required	A furnace chart alone does not prove all final properties.
Lost identity after processing	Heat/lot traveler, piece marking or map, and reconciliation to the final packing list	Traceability must continue through cutting, forming, heat treatment, and packing.
Finished assembly integrity	Drawing inspection, weld NDE, leak/pressure testing, and construction-code records as applicable	Starting-material compliance does not certify the completed equipment.

Ultrasonic examination illustrates why detail matters. ASTM E2375-26a defines classes for wrought products and expects the engineering drawing, specification, or order to identify the acceptance criteria.^[13] Writing only “UT tested” does not state the class, scan coverage, reference sensitivity, reportable indication, or disposition. Very thin sheet also falls outside the practice’s stated minimum thickness, so the inspection plan must use a method suited to the actual geometry.

Third-party inspection can provide independent verification or customer witness without replacing DAXUN’s manufacturing responsibility. Agree hold points, sample selection, record review, and release authority before production.

Common Procurement Failures and How to Prevent Them

Most Alloy 617 flat-product disputes begin with an incomplete definition rather than an exotic metallurgical defect. The following failures are preventable before the order is placed.

Procurement failure	Prevention
“Inconel 617 plate” ordered without an edition	State UNS N06617, form, exact specification/edition, and customer supplements. A controlled drawing may not permit an automatic update.
AMS5888 and AMS5889 mixed on one line	Use AMS5888E for plate and AMS5889D for sheet/strip. Create separate line items when an assembly uses both forms.
Typical values converted into guaranteed minima	Apply the governing table for the actual thickness, direction, specimen, and condition. Agree any added minimum before award.
Air-oxidation data treated as atmosphere immunity	Provide gas chemistry, contaminants, deposits, temperature cycle, velocity, stress, and target life.
Cold work or final annealing ignored	Define intermediate/final heat treatment and how properties, grain structure, surface, and dimensions will be reverified.
“NDE required” written without acceptance	Name the method, edition, class/sensitivity, coverage, reporting threshold, and disposition.
Heat identity lost during cutting	Maintain identification through nesting, cutting, heat treatment, and packing; reconcile pieces to the MTC.
Starting MTC treated as final-component certification	Apply the drawing, construction code, qualified procedures, inspection plan, and engineering release after fabrication.

DAXUN Manufacturing and In-House Processing Scope

DAXUN supplies Alloy 617 as a controlled material-and-processing package, with the written order defining what is manufactured, processed, inspected, and documented. This reduces the handoff gaps that occur when heat identity, drawings, and acceptance requirements move among unrelated parties.

Our project workflow can include:

1. Reviewing UNS N06617, product form, governing specification, edition, dimensions, condition, and end-use requirements.
2. Manufacturing the specified plate, sheet, or strip under the agreed material route.
3. Performing confirmed in-house cutting, sizing, edge preparation, forming preparation, heat treatment, surface processing, cleaning, and identification.
4. Maintaining heat and production-lot traceability through each agreed operation.
5. Performing the specified dimensional, surface, chemical, mechanical, and nondestructive examinations within the confirmed scope.
6. Providing the agreed MTC, inspection results, processing records, marking, packing list, and export documents.
7. Supporting customer witness or independent third-party inspection when included in the order.

Dimensions, tolerances, processing windows, test frequency, records, and delivery are confirmed in writing. This page does not claim an unspecified stock position, aerospace customer approval, ASME authorization, or finished-equipment certification.

Buyers comparing neighboring grades can also review our Inconel alloy product family, Inconel 601 sheet and plate guide, and Inconel 600 sheet and plate guide. These links support preliminary comparison; the project specification remains controlling.

Information Required for a Technically Reviewable RFQ

A useful RFQ tells the manufacturer what must be true at delivery and what the material will experience after delivery. Send the following information rather than only an alloy name and quantity.

RFQ field	Information to provide
Material identity	Alloy 617 / UNS N06617; identify any restricted trade-name or approved-source requirement
Product form	Plate, sheet, or strip; coil or cut-length delivery where relevant
Specification	ASTM B168-26 with ASTM B906-22, AMS5888E, AMS5889D, or another approved route; state exact edition
Dimensions	Thickness, width, length, quantity or weight, and dimensional tolerances
Condition	Annealed/solution-annealed condition and any customer-defined grain-size, hardness, or thermal requirement
Surface	Finish, descaling, roughness if controlled, protected face, cleanliness, and defect acceptance
Edges	Mill, slit, sheared, machined, conditioned, weld-prepared, or drawing-defined; include burr/radius limits where critical
Coil requirements	Inside diameter, maximum outside diameter, target/maximum coil weight, winding, splices, telescoping, and packaging
Processing	Cutting, nesting, forming, machining allowance, edge preparation, heat treatment, cleaning, or other in-house work
Service	Design and upset temperatures, time at temperature, applied stress, atmosphere, contaminants, deposits, pressure, cycling, and target life
Welding	Construction code, joint drawing, process, filler, WPS/PQR requirements, heat treatment, NDE, and acceptance criteria
Inspection	Chemistry, tensile, hardness, grain size, PMI, dimensions, surface, UT class, penetrant testing, witness points, and sample retention
Traceability	Heat, lot, piece marking, traceability map, traveler, and required record retention
Documentation	MTC type, test reports, heat-treatment records, inspection forms, packing list, certificates of origin, and project forms
Delivery	Destination, packaging restrictions, shipping method, required date, and handling limitations

Drawings should identify the final use of each surface and edge. Tell us whether a blank will be formed, welded, machined, exposed directly to gas, or used as a pressure boundary. That information changes the sensible manufacturing allowance and inspection plan.

Frequently Asked Questions

What is the correct ASTM standard for Inconel 617 plate?

ASTM B168-26 covers rolled UNS N06617 plate, sheet, and strip; ASTM B906-22 supplies applicable general requirements. State both editions, form, dimensions, condition, finish, tests, and supplements.^[1][2]

What is the difference between AMS5888E and AMS5889D?

AMS5888E covers consumable-electrode or vacuum-induction-melted, annealed plate nominally 2.00 in. (50.8 mm) and under. AMS5889D covers similarly specified annealed sheet and strip. They are not interchangeable, and plate beyond the AMS5888E thickness scope needs another approved route.^[3][4]

Is Alloy 617 sheet the same as Alloy 617 strip?

No. Both are below 3/16 in. (4.76 mm), but sheet is at least 24 in. (600 mm) wide; strip is cold rolled and narrower. Strip also brings edge and coil controls.^[1]

Is Alloy 617 normally supplied solution annealed?

Yes. Producer literature gives 2150°F (1175°C), held for section size and rapidly cooled, as a common reference.^[6][7] The order and qualified procedure remain controlling.

What are the minimum tensile properties of Alloy 617 plate?

ATI’s AMS summary lists 100 ksi (689 MPa) tensile, 40 ksi (276 MPa) yield, and 40% elongation for AMS5888 plate through 1.00 in.; plate above 1.00 through 2.00 in. is listed at 95 ksi (655 MPa), 35 ksi (241 MPa), and 35%.^[7] ASTM B168 and other orders must use their own controlling acceptance tables.

Can ASTM B168 room-temperature properties be used for creep design?

No. It does not establish creep, rupture, fatigue, weld-joint behavior, or allowable stress. Use the current construction code and approved high-temperature design data.

Does an ASTM B168 MTC certify a formed or welded part?

Not automatically. Fabrication can change properties and introduce defects. The completed part needs the inspections and records required by its drawing, code, procedures, and acceptance plan.

Is ultrasonic testing mandatory for every Alloy 617 plate?

No. When UT is required, specify method, edition, coverage, class or alternate criteria, reporting, and disposition. ASTM E2375-26a is one route for wrought sections at least 0.250 in. (6.35 mm) thick.^[13]

Can Alloy 617 be welded with matching filler metal?

Yes. Producer guidance identifies Filler Metal 617 for GTAW/GMAW and Electrode 117 for SMAW.^[6] An approved WPS/PQR and project acceptance criteria are still required.

What should be sent first for a quotation?

Send the UNS designation, product form, exact specification and edition, dimensions and tolerances, quantity, condition, surface and edges, required processing, inspection, documentation, end-use conditions, drawing, and delivery destination. These details allow a manufacturer to identify conflicts before production rather than after inspection.

Technical Accuracy Statement

This page distinguishes contractual standards from producer reference data. ASTM and SAE documents control only when invoked by the purchase order, drawing, construction code, or customer specification. Published chemistry, mechanical, heat-treatment, creep, oxidation, and fabrication values are tied to their stated product form, condition, test method, and source; they are not universal design allowables or guarantees for a fabricated component. The responsible engineering authority must approve material selection, design stresses, welding, heat treatment, examination, and final acceptance for the actual service.

Last reviewed: August 22, 2026

Technical Sources

1. ASTM International, ASTM B906-22, Standard Specification for General Requirements for Flat-Rolled Nickel and Nickel Alloys Plate, Sheet, and Strip
2. ASTM International, ASTM B168-26, Standard Specification for Nickel-Chromium-Aluminum Alloys, Nickel-Chromium-Iron Alloys, Nickel-Chromium-Cobalt-Molybdenum Alloy, Nickel-Iron-Chromium-Tungsten Alloy, and Nickel-Chromium-Molybdenum-Copper Alloy Plate, Sheet, and Strip
3. SAE International, AMS5888E, Consumable-Electrode or Vacuum-Induction-Melted Alloy 617 Plate, Annealed, Nominally 2.00 in. (50.8 mm) and Under
4. SAE International, AMS5889D, Nickel Alloy, Corrosion and Heat Resistant, Sheet and Strip, 54Ni-22Cr-12.5Co-9.0Mo-1.2Al, Consumable Electrode or Vacuum Induction Melted, Annealed
5. ATI, ATI 617 Nickel-Based Alloy Product Data
6. Special Metals Corporation, INCONEL Alloy 617 Technical Bulletin, SMC-029
7. ATI, ATI 617 Alloy Technical Data Sheet, Including Coil
8. ASTM International, ASTM E1473-22, Standard Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys
9. ASTM International, ASTM E8/E8M-25, Standard Test Methods for Tension Testing of Metallic Materials
10. Haynes International, HAYNES 617 Alloy Brochure
11. BÖHLER Edelstahl, BÖHLER L617 / UNS N06617 Product Data
12. American Welding Society, AWS A5.14/A5.14M:2026, Specification for Nickel and Nickel-Alloy Bare Welding Electrodes and Rods
13. ASTM International, ASTM E2375-26a, Standard Practice for Ultrasonic Testing of Wrought Products