Direct answer: DAXUN supplies titanium sheet for plate heat exchanger plates in sheet, strip, coil, and cut-blank form. We do not treat raw ASTM B265 material as a finished, interchangeable heat-transfer plate. Grade 1 is often preferred for demanding corrugation pressing because of its higher ductility, while Grade 2 offers higher strength and remains widely used. Your drawing must define the starting gauge, minimum thickness after forming, plate geometry, surface, and inspection requirements.

When you ask us for titanium plate for a plate heat exchanger, one early question saves a great deal of confusion: do you need flat material for pressing, or a finished corrugated replacement plate for a named exchanger model? The alloy may be the same, but the manufacturing route, responsibility, and acceptance criteria are not.

For a raw-material inquiry, we can review the following supply scope. Exact availability, dimensions, tolerances, testing, and processing remain subject to technical review and mill confirmation.[7]\

Item	DAXUN supply scope
Product forms	Titanium sheet, strip, coil, and cut blanks
Common grades	ASTM Grade 1 and Grade 2
Other grades	Grade 7, Grade 11, and Grade 12, subject to technical and commercial confirmation
Material standard	ASTM B265 or ASME SB-265, using the edition stated in the purchase order
Condition	Annealed; cold-rolled and annealed where applicable
Processing	Slitting, cut-to-length, and blank cutting when confirmed in the quotation
Documents	MTC and agreed dimensional, surface, traceability, or supplementary reports
Third-party inspection	Available when the body, scope, hold points, and cost are agreed before order
Information needed for quotation	Grade, gauge, width, length or coil data, quantity, surface, tolerance, application, and destination

The table describes material supply, not finished-plate certification. The plate stamper or heat exchanger OEM remains responsible for the die, corrugation, ports, gasket groove, joining, pressure design, and validation of the completed component.

Titanium Sheet Is Not the Same as a Finished Heat-Transfer Plate

In a plate heat exchanger, the word plate describes the corrugated component that separates the two fluids. In ASTM B265, strip, sheet, and plate are raw flat-product forms. Many thin heat-transfer plates therefore begin as ASTM B265 sheet or strip, even though buyers casually call the material “titanium plate.”[1]

Purchasing term	What it usually means	What your RFQ must define
Titanium sheet	Thin, wide flat-rolled material supplied as sheets	Gauge, width, length, tolerance, surface, flatness, and rolling direction
Titanium strip or coil	Thin material supplied in coil form	Width, coil ID/OD, coil weight, camber, coil set, edge, and traceability
Cut blank	Flat feedstock cut for a particular press	Blank dimensions, edge condition, grain direction, identification, and packing
Finished heat-transfer plate	Corrugated plate with ports and a gasket or welding feature	OEM model, drawing, tooling, plate pattern, gasket groove, formed thickness, and pressure validation

Although buyers often request titanium plates for plate heat exchangers, the mill product may actually be thin sheet or strip supplied for subsequent pressing. If you need a finished replacement plate, the exchanger manufacturer, model, plate code, hole arrangement, pattern, thickness, and gasket details are essential. A grade name alone cannot establish interchangeability.

Why Use Titanium Sheet for Plate Heat Exchanger Plates?

Titanium develops a stable protective oxide film in the presence of moisture or suitable oxidizing species. This gives commercially pure titanium strong resistance in many aerated waters, seawater systems, neutral chloride solutions, and oxidizing process environments.

The advantage is not unusually high thermal conductivity. Grade 1 and Grade 2 titanium both have typical room-temperature thermal conductivity of approximately 22 W/m·K.[3][4] Plate heat exchangers achieve efficient heat transfer through thin material, corrugated channels, large effective area, turbulence, and controlled pressure drop. Titanium earns its place mainly by allowing that thin heat-transfer wall to survive compatible corrosive service.

For equipment users, this can mean lower corrosion risk than common stainless steels in correctly assessed seawater duties, good resistance to erosion-corrosion in many water systems, low density, and longer service intervals.

However, “titanium is seawater resistant” is only the beginning of a selection discussion. Wall temperature, pH, crevices, deposits, fluoride, reducing conditions, galvanic coupling, and cleaning chemicals still matter.

Choosing Between Grade 1 and Grade 2 for Corrugated Plate Pressing

Both Grade 1 and Grade 2 are commercially pure titanium. Tighter oxygen and iron limits give Grade 1 lower strength and greater ductility. By comparison, Grade 2 permits more oxygen and iron, which increases strength but can also increase press load and springback.

TIMET identifies its ASTM Grade 1-equivalent material as suitable where maximum formability is required, specifically including plate-type heat exchangers. The company describes its Grade 2-equivalent material as an industrial grade used in seawater systems and heat exchangers.[3][4]

Grade	UNS	Practical reason to consider it	What still needs approval
ASTM Grade 1	R50250	High ductility for deep or demanding corrugation pressing	Strength window, pattern depth, local thinning, rolling direction, and finished-plate test
ASTM Grade 2	R50400	Higher strength with good industrial formability	Press load, springback, die qualification, minimum formed thickness, and gasket-groove accuracy
ASTM Grade 7	R52400	Grade 2-based composition with palladium for selected reducing or crevice-corrosion conditions	Corrosion review, OEM approval, formability, availability, and cost
ASTM Grade 11	R52250	Grade 1-based composition with palladium for selected corrosion conditions	Project-specific approval; it is not an automatic upgrade for every brine duty
ASTM Grade 12	R53400	Ti-Ni-Mo alloy with improved resistance in some hot-brine or reducing conditions	Different forming response, press qualification, and design approval

Grade 1 is not automatically more corrosion resistant than Grade 2 simply because it is purer. In many oxidizing chloride environments, both depend on the titanium oxide film.

We normally begin the Grade 1 versus Grade 2 discussion with formability and strength, then check the actual corrosion and equipment requirements.

Grade 1 and Grade 2 Chemistry

TIMET datasheets publish the following limits for materials equivalent to ASTM Grade 1 and Grade 2.[3][4] Contract acceptance must follow the ASTM B265 edition stated in the purchase order, any additional customer restrictions, and the actual MTC.

Element, wt.%	Grade 1 / UNS R50250	Grade 2 / UNS R50400	Purchasing significance
Oxygen	0.18 max	0.25 max	Strong influence on strength, ductility, and forming response
Iron	0.20 max	0.30 max	Influences strength and batch consistency
Nitrogen	0.03 max	0.03 max	Interstitial element; excessive content reduces ductility
Carbon	0.08 max	0.08 max	Controlled interstitial element
Hydrogen	0.015 max*	0.015 max*	Testing and reporting depend on product form and the ordered specification
Residual elements, each	0.10 max	0.10 max	Individual residual control
Residual elements, total	0.40 max	0.40 max	Aggregate residual control
Titanium	Balance	Balance	Base metal

The TIMET datasheets state that hydrogen content depends on product form. The purchase specification and MTC should define the applicable requirement and reporting basis.

Ordinary handheld XRF cannot reliably separate Grade 1 from Grade 2 because oxygen is an important part of the grade difference and is not measured by conventional handheld XRF.

PMI can support identity and contamination checks, but grade release should rely on heat traceability, the MTC, and an appropriate laboratory method when independent verification is required.

Typical Mechanical and Physical Data

The following room-temperature values explain the forming difference between the grades. They are representative TIMET data, not guaranteed ASTM B265 acceptance values.[3][4]

Property	Grade 1 equivalent, typical	Grade 2 equivalent, typical
Ultimate tensile strength	345 MPa	485 MPa
0.2% yield strength	220 MPa	345 MPa
Elongation	35%	28%
Density	4.51 g/cm³	4.51 g/cm³
Thermal conductivity at room temperature	Approximately 22 W/m·K	Approximately 22 W/m·K

Actual certificate values can differ from these typical figures while complying with the ordered standard.

If stable pressing requires a restricted tensile range, yield range, elongation, hardness, grain size, r-value, n-value, or forming trial, state it before quotation. Such controls are not automatically included in a standard ASTM B265 order and remain subject to technical review and mill confirmation.

Thickness, Tolerance, and Formability

There is no universal gauge for titanium sheet for plate heat exchanger plates. Pressure, plate area, contact pattern, corrugation depth, design temperature, forming strain, and equipment code all influence the starting thickness.

One official Alfa Laval product listing for a T20-P/AQ8P titanium channel plate documents a thickness of 0.5 mm.[6] This is an example from a specific model, not a general design rule. Your OEM drawing should control the starting gauge and the minimum acceptable thickness after forming.

Requirement	Why it matters to pressing
Nominal starting gauge	Establishes the flat feedstock entering the press
Thickness tolerance	Affects press force, local thinning, plate-pack dimension, and pressure performance
Across-width thickness profile	Can influence corrugation depth and consistency across a wide blank
Minimum formed thickness	Protects the most highly strained corrugation, port, or gasket-groove area
Camber, coil set, and flatness	Affect strip tracking, blank positioning, and repeatable feeding
Edge and burr limit	Helps protect tooling and prevent cracks from starting at the blank edge
Rolling direction	Can influence forming behavior and should match the qualified blank orientation

“Press quality” is not a separate ASTM grade. It is a purchase description that must be converted into measurable requirements.

Therefore, the purchaser should confirm the exact gauge, width, coil weight, tolerance, profile reporting, and forming controls for each order rather than infer them from a general product range.

ASTM B265 and Equipment Responsibilities

At the source-review date for this article, ASTM lists ASTM B265-25 as the active specification for annealed titanium and titanium-alloy strip, sheet, and plate.[1]

Document	What it establishes	What it does not establish by itself
ASTM B265-25	Requirements for the ordered raw titanium strip, sheet, or plate	Finished corrugation, gasket sealing, interchangeable geometry, or exchanger pressure rating
ASME SB-265	Material requirements when invoked by the applicable ASME construction route	Certification of the completed heat exchanger
ASTM B600-22	Guidance for descaling and cleaning titanium surfaces	A mandatory finished-surface class unless the purchase documents invoke it[2]
OEM drawing or plate specification	Blank, rolling direction, pattern, ports, gasket groove, formed thickness, and supplementary inspection	Raw-material compliance unless the material specification is also stated
Equipment code and design dossier	Pressure, temperature, joining, examination, testing, and final conformity	Raw-material production unless linked through the material specification

Supplying ASTM B265 or ASME SB-265 material does not certify the completed plate heat exchanger.

The equipment manufacturer remains responsible for forming qualification, joining, gasket selection, pressure calculations, final examination, pressure testing, and any applicable ASME, PED, or other regulatory conformity.

Surface and Inspection Requirements

A sheet can meet chemistry and tensile requirements yet still cause trouble in a high-volume press. Scratches, pits, rolled-in particles, uneven pickling, excessive roughness, waviness, coil set, and burrs can disturb lubrication, mark the tool, initiate tearing, or interfere with a gasket track.

ASTM B600 provides useful guidance for removing shop soils, oxide, scale, and foreign contamination from titanium surfaces.[2] The buyer must still define the surface appearance, roughness where relevant, edge condition, cleanliness, and defect acceptance criteria.

We separate normal release documentation from supplementary controls so that the quotation remains clear:

Control	Typical treatment in an RFQ
Grade, heat, lot, standard edition, and dimensions	Confirm during contract review and maintain through traceability records
Heat chemistry and mechanical results	Review against the MTC and ordered specification
Thickness, width, length, and surface	Inspect at the frequency agreed in the order
Edge, burr, camber, coil set, or flatness	Define measurable limits when they affect feeding or pressing
Thickness map or across-width profile	Supplementary report, subject to technical review and mill confirmation
Restricted mechanical window, hardness, grain size, or r/n values	Supplementary requirement, not a default ASTM B265 deliverable
Trial coil, press trial, or first-article blank	Requires a separately agreed quantity, responsibility, tooling, and acceptance plan
Third-party inspection	Must be agreed before quotation, including body, location, hold points, scope, and cost

Ultrasonic testing should not be added automatically simply because the material is titanium. For thin sheet, the method, calibration, detectable defect size, coverage, and acceptance criteria must be technically suitable and stated by the responsible OEM or purchaser.

Third-party inspection can be discussed before quotation. Please state the inspection body, hold points, test scope, acceptance criteria, certificate format, and inspection location clearly.

How Titanium Sheet Is Typically Produced and Supplied

Depending on the order, a production mill selected for the required grade, dimensions, and documentation may produce the titanium sheet. DAXUN then supplies the material within the processing, inspection, traceability, and packing scope confirmed in its quotation.

The following is a typical industry route, not a claim that every operation occurs on one DAXUN-owned line.

Stage	Typical activity	Purchasing control point
1. Contract and mill review	Confirm grade, specification, gauge, width, quantity, surface, and supplementary requirements	Resolve raw-material and finished-plate responsibilities before production
2. Melt, hot conversion, and cold reduction	Produce traceable feedstock and roll it toward final gauge	Chemistry, reduction route, and gauge consistency affect later forming behavior
3. Annealing and surface finishing	Restore ductility and remove process oxide as required	Condition, grain response, cleanliness, and surface consistency matter to pressing
4. Slitting, leveling, or blank cutting	Produce the ordered coil, sheet, strip, or blank dimensions	Control edge, burr, camber, flatness, rolling direction, and identity transfer
5. Final inspection and packing	Review documents, dimensions, surface, marking, and protective packing	Keep the released lot traceable and protect thin surfaces during transport

When your press program needs more than standard compliance, tell us before mill planning. We can then determine whether a tighter mechanical window, special report, trial quantity, or blank-level traceability is technically and commercially available.

Corrosion Boundaries That Still Need Review

Commercially pure titanium performs well in many aerated chloride and seawater environments, but it is not immune to every condition.

Published corrosion data show that unalloyed titanium may become susceptible to crevice corrosion in hot, concentrated brines under severe oxygen-depleted crevice conditions. The threshold depends strongly on pH, temperature, crevice geometry, and solution chemistry.[5]

Service factor	Why the project team needs it
Both fluid compositions and concentrations	A service name such as “seawater” or “brine” does not describe every corrosive species
Normal, upset, and shutdown pH	Low-pH solution trapped in a crevice can behave differently from the bulk fluid
Maximum calculated wall temperature	Local metal temperature can govern crevice behavior more than outlet temperature
Gasket grooves, contact points, deposits, and fouling	Restricted areas can become oxygen-depleted crevices
Fluoride or HF, including cleaning chemicals	Acidic fluoride solutions can attack titanium rapidly
Dissimilar metals and cathodic protection	Galvanic current can damage less noble metals and, under some conditions, promote hydrogen uptake by titanium
Cleaning chemistry and cycle	Concentration, temperature, duration, and rinsing must suit both titanium and the gasket

For more severe reducing or crevice conditions, the project team may evaluate Grade 7, Grade 11, Grade 12, or another corrosion-resistant titanium grade. The exchanger OEM and corrosion engineer should make the decision after reviewing actual process and cleaning data.

Gasket compatibility remains a separate decision. NBR, EPDM, HNBR, and FKM variants respond differently to heat, oils, oxidants, chemicals, and cleaning cycles. Selecting titanium does not automatically select the gasket.

RFQ Checklist

The fastest way to receive a useful quotation is to send the material requirement and the manufacturing context together.

RFQ item	Information to provide
Supply form	Coil, strip, sheet, or cut blank; state separately if you need a finished plate
Grade	Grade 1, Grade 2, or another OEM-approved grade
Standard	ASTM B265, ASME SB-265, and the required edition
Dimensions	Gauge, width, length, or coil ID/OD and target coil weight
Tolerances	Thickness, width, profile, camber, flatness, burr, and squareness as applicable
Condition and surface	Annealed condition, finish, roughness if needed, cleanliness, and protective material
Forming requirement	Pattern depth, rolling direction, restricted properties, or trial requirement
Inspection	Test frequency, supplementary reports, third-party scope, and acceptance criteria
Documentation	MTC, contractual EN 10204 type, traceability list, and additional reports
Process data	Both fluids, concentration, pH, temperatures, pressure, and upset conditions
Cleaning data	Chemicals, concentration, temperature, time, and frequency
Commercial data	Quantity, annual demand, destination, delivery term, and required date

Frequently Asked Questions

What titanium grade is commonly used for plate heat exchanger plates?

Grade 1 is often chosen for demanding cold pressing because of its high ductility. Grade 2 offers higher strength and also sees broad heat-exchanger use.

The die, pattern depth, minimum formed thickness, corrosion conditions, and OEM approval determine the final choice.

Does DAXUN supply finished corrugated replacement plates?

This article describes sheet, strip, coil, and cut-blank supply. A finished replacement plate requires model-specific tooling, geometry, ports, gasket details, and pressure validation.

Any finished-plate request must be reviewed as a separate scope.

Is 0.5 mm the standard titanium sheet thickness?

No. It is a documented gauge in a specific Alfa Laval titanium channel-plate listing, but it is not universal.

Use the OEM drawing to specify both the starting gauge and minimum thickness after forming.

Can handheld XRF distinguish Grade 1 from Grade 2?

Not reliably by itself. Conventional handheld XRF does not measure oxygen, an important difference between the grades.

Use MTC review, heat traceability, and a suitable laboratory method when verification is required.

Does ASTM B265 certify the finished heat exchanger?

No. ASTM B265 specifies requirements for the raw titanium product.

The equipment manufacturer remains responsible for forming, joining, gaskets, calculations, final examination, pressure testing, and equipment-code compliance.

What should be agreed before third-party inspection?

Name the inspection body, inspection location, hold and witness points, document review, tests, sample frequency, acceptance criteria, report format, and cost before quotation.

Send DAXUN Your Plate-Pressing Requirement

If you have a drawing, send the required grade, starting gauge, blank or coil dimensions, rolling direction, surface, tolerance, and inspection requirements with it.

If you are still comparing Grade 1 and Grade 2, include the fluid chemistry, maximum wall temperature, pressure, pattern depth, and annual volume.

For titanium sheet for plate heat exchanger plates, we aim to supply material that matches the agreed forming and inspection requirements, with the processing, documentation, traceability, and packing scope clearly defined before production.

References and Technical Note

This article supports material purchasing and supplier communication. It does not replace the heat exchanger OEM’s design, a corrosion assessment, the applicable equipment code, or the approved purchase specification.

Final acceptance follows the purchase order, drawing, governing standard edition, and released inspection documents.

ASTM International, ASTM B265-25, Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate, active version and scope, DOI 10.1520/B0265-25, accessed July 14, 2026: official ASTM page.
ASTM International, ASTM B600-22, Standard Guide for Descaling and Cleaning Titanium and Titanium Alloy Surfaces, accessed July 14, 2026: official ASTM page.
TIMET, TIMETAL 35A, ASTM Grade 1-equivalent datasheet, page 1, chemical composition, physical properties, and typical mechanical properties: datasheet PDF.
For Grade 2 data, see TIMET, TIMETAL 50A, page 1, chemical composition, physical properties, and typical mechanical properties: datasheet PDF.
For corrosion behavior, see TIMET, Corrosion Resistance of Titanium, chloride and crevice-corrosion sections and Figures 2-4: technical manual PDF. The often-cited value near 93°C refers specifically to sharp crevices in near-neutral saturated sodium-chloride brine; it is not a universal titanium service limit.
Alfa Laval, T20P1-TI-0.5-NBRP/C channel plate, technical details for the T20-P/AQ8P model, accessed July 2026: official product listing.
DAXUN Alloy, Titanium Plate and Sheet, published product-form overview: DAXUN product page.

Titanium Sheet for Heat Exchanger Plates | Grade 1 & 2