ASTM B381 Titanium Block

ASTM B381 Titanium Block

Name: ASTM B381 Titanium Block
Standard: ASTM B381 (Titanium and Titanium Alloy Bars and Billets)
Common Grades:
Grade 2 (CP Titanium)
Grade 5 (Ti‑6Al‑4V)
Grade 23 (Ti‑6Al‑4V ELI)
Grade 7, Grade 9, Grade 12
Process: Forged / Hot rolled + Annealed
Type: Square block, rectangular block, flat block, billet block
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Description

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Overview

 

ASTM B381 covers titanium and titanium alloy forgings. It's the go-to international standard for titanium blocks, forged blocks, discs, rings, and similar forged shapes. The standard includes both commercially pure titanium and high-performance alloys, with clear requirements for chemical makeup, mechanical properties, ultrasonic inspection, heat treatment, and dimensional tolerances.
product-650-650

 

What it includes

 

A wide range of titanium grades: F‑2 (Grade 2), F‑5 (Grade 5 / Ti‑6Al‑4V), F‑23 (Grade 23 / Ti‑6Al‑4V ELI), plus F‑7, F‑9, F‑12, and others. Products come in the forged condition, typically delivered annealed (M) to give a good balance of strength, ductility, and machinability. Ultrasonic testing (UT) is mandatory to check internal quality and detect flaws. The standard meets global quality requirements and is widely accepted in export, aerospace, marine, medical, and chemical industries. It offers excellent corrosion resistance, a high strength-to-weight ratio, and good weldability and fabricability.

 

Typical uses

 

ASTM B381 titanium block is used to make high-reliability parts such as:

  • Mechanical components, valves, flanges, fasteners
  • Aerospace structural parts and landing gear pieces
  • Marine and offshore equipment exposed to seawater
  • Chemical processing gear and pressure vessels
  • Medical implants, surgical tools, and prosthetics (especially Grade 23)
  • High-performance sports gear and precision parts

 

In short

 

ASTM B381 titanium block is a premium forged product with stable performance and worldwide acceptance. They're the preferred choice when you need high strength, excellent corrosion resistance, and consistent forging quality.

 

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