ASTM B381-03

    Historical Standard: ASTM B381-03 Standard Specification for Titanium and Titanium Alloy Forgings

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    ASTM B381

    1. Scope

    1.1 This specification covers 32 grades of annealed titanium and titanium alloy forgings as follows:

    1.1.1 Grade F-1—Unalloyed titanium,

    1.1.2 Grade F-2—Unalloyed titanium,

    1.1.3 Grade F-3—Unalloyed titanium,

    1.1.4 Grade F-4—Unalloyed titanium,

    1.1.5 Grade F-5—Titanium alloy (6 % aluminum, 4 % vanadium),

    1.1.6 Grade F-6—Titanium alloy (5 % aluminum, 2.5 % tin),

    1.1.7 Grade F-7—Unalloyed titanium plus 0.12 to 0.25 % palladium,

    1.1.8 Grade F-9—Titanium alloy (3 % aluminum, 2.5 % vanadium),

    1.1.9 Grade F-11—Unalloyed titanium plus 0.12 to 0.25 % palladium,

    1.1.10 Grade F-12—Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

    1.1.11 Grade F-13—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

    1.1.12 Grade F-14—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

    1.1.13 Grade F-15—Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

    1.1.14 Grade F-16—Unalloyed titanium plus 0.04 % to 0.08 % palladium,

    1.1.15 Grade F-17—Unalloyed titanium plus 0.04 % to 0.08 % palladium,

    1.1.16 Grade F-18—Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 % to 0.08 % palladium,

    1.1.17 Grade F-19—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),

    1.1.18 Grade F-20—Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 % to 0.08 % palladium,

    1.1.19 Grade F-21—Titanium alloy (3 % aluminum, 2.7 % niobium, 15 % molybdenum, 0.25 % silicon),

    1.1.20 Grade F-23—Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitials, ELI),

    1.1.21 Grade F-24—Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 % to 0.08 % palladium,

    1.1.22 Grade F-25—Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.3 % to 0.8 % nickel and 0.04 % to 0.08 % palladium,

    1.1.23 Grade F-26—Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

    1.1.24 Grade F-27—Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

    1.1.25 Grade F-28—Titanium alloy (3% aluminum, 2.5% vanadium plus 0.08-0.14% ruthenium),

    1.1.26 Grade F-29—Titanium alloy (6% aluminum, 4% vanadium, extra low interstitial, ELI plus 0.08-0.14% ruthenium),

    1.1.27 Grade F-30—Titanium alloy (0.3 % cobalt, 0.05 % palladium),

    1.1.28 Grade F-31—Titanium alloy (0.3 % cobalt, 0.05 % palladium),

    1.1.29 Grade F-32—Titanium alloy (5 % aluminum, 1 % vanadium, 1 % tin, 1 % zirconium, 0.8 % molybdenum),

    1.1.30 Grade F-33—Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

    1.1.31 Grade F-34—Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium), and

    1.1.32 Grade F-35—Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon).

    1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    B348 Specification for Titanium and Titanium Alloy Bars and Billets

    E8 Test Methods for Tension Testing of Metallic Materials

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E539 Test Method for Analysis of Titanium Alloys by X-Ray Fluorescence Spectrometry

    E1409 Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique

    E1447 Test Method for Determination of Hydrogen in Titanium and Titanium Alloys by Inert Gas Fusion Thermal Conductivity/Infrared Detection Method

    E1941 Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion Analysis

    E2371 Test Method for Analysis of Titanium and Titanium Alloys by Atomic Emission Plasma Spectrometry

    E2626 Guide for Spectrometric Analysis of Reactive and Refractory Metals


    ICS Code

    ICS Number Code 77.150.50 (Titanium products)

    UNSPSC Code

    UNSPSC Code 31132900(Titanium forgings)


    DOI: 10.1520/B0381-03

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