{"id":19259,"date":"2026-07-24T11:10:35","date_gmt":"2026-07-24T03:10:35","guid":{"rendered":"https:\/\/daxuns.com\/?p=19259"},"modified":"2026-07-24T11:10:35","modified_gmt":"2026-07-24T03:10:35","slug":"ti-6al-4v-eli-titanium-bar-astm-f136-implant-material-vs-grade-23-industrial-bar","status":"publish","type":"post","link":"https:\/\/daxuns.com\/tr\/ti-6al-4v-eli-titanium-bar-astm-f136-implant-material-vs-grade-23-industrial-bar\/","title":{"rendered":"Ti-6Al-4V ELI Titanium Bar: ASTM F136 Implant Material vs Grade 23 Industrial Bar"},"content":{"rendered":"

Ti-6Al-4V ELI Titanium Bar: ASTM F136 Implant Material vs Grade 23 Industrial Bar<\/h1>\n

Giri\u015f<\/h2>\n

Ti-6Al-4V ELI bar shows up on a lot of purchase orders for two very different reasons, and mixing them up causes real problems. Some buyers need it because a drawing calls out ASTM F136 \u2014 a surgical implant material specification with strict chemical, mechanical, metallurgical, and traceability requirements. Others need it because they simply want the lower-interstitial, higher-toughness version of Ti-6Al-4V for a cryogenic, marine, or aerospace fitting, and they’re using “Grade 23” as shorthand without any implant intent at all.<\/p>\n

Both are legitimate, but they are not the same product, and a supplier who blurs the line is doing the buyer a disservice. This article explains what ELI titanium actually is, how the commercial-industrial route (ASTM B348 Grade 23 bar) differs from the surgical-implant route (ASTM F136), what the composition and mechanical data really mean, and what you should confirm before you place an order \u2014 regardless of which route your project needs.<\/p>\n

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What Is Ti-6Al-4V ELI (Grade 23) Titanium Bar?<\/h2>\n

Ti-6Al-4V ELI is the extra-low-interstitial version of the standard Ti-6Al-4V (Grade 5) alloy. “ELI” refers to tighter limits on oxygen, iron, and other interstitial elements compared to regular Grade 5. Lower interstitial content generally improves ductility, fracture toughness, and damage tolerance, while reducing the strengthening effect provided by oxygen \u2014 which is exactly why the alloy is used both in demanding structural applications and in the human body.<\/p>\n

Two ASTM specifications cover materials with this composition, and buyers need to know which one their project actually requires:<\/p>\n