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ASTM B381-21

Standard Specification for Titanium and Titanium Alloy Forgings

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STANDARD published on 1.11.2021

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The information about the standard:

Designation standards: ASTM B381-21
Publication date standards: 1.11.2021
SKU: NS-1041726
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Titanium products

Annotation of standard text ASTM B381-21 :

This specification covers 39 grades of annealed titanium and titanium alloy forgings as Grade F-1, Grade F-2, Grade F-2H, Grade F-3, Grade F-4, Grade F-5, Grade F-6, Grade F-7, Grade F-7H, Grade F-9, Grade F-11, Grade F-12, Grade F-13, Grade F-14, Grade F-15, Grade F-16, Grade F-16H, Grade F-17, Grade F-18, Grade F-19 Grade F-20, Grade F-21, Grade F-23, Grade F-24, Grade F-25, Grade F-26, Grade F-26H, Grade F-27, Grade F-28, Grade F-29, Grade F-30, Grade F-31, Grade F-32, Grade F-33, Grade F-34, Grade F-35, Grade F-36, Grade F-37, and Grade F-38. The grades of titanium and titanium alloy metal covered by this specification shall conform to the requirements as to chemical composition prescribed. Forgings supplied under this specification shall conform to the requirements as to mechanical properties specified, as applicable, such as tensile strength, yield strength, and elongation. Nondestructive test requirements such as ultrasonic test, X-ray, or surface inspection shall be specified by the purchaser, if required.

Keywords:
forgings, titanium, titanium alloys ,, ICS Number Code 77.150.50 (Titanium products)

Additional information

1. Scope

1.1?This specification1.1.1?Grade F-1UNS R50250. Unalloyed titanium,

1.1.2?Grade F-2UNS R50400. Unalloyed titanium,

1.1.2.1?Grade F-2HUNS R50400. Unalloyed titanium (Grade 2 with 58 ksi (400 MPa) minimum UTS),

1.1.3?Grade F-3UNS R50550. Unalloyed titanium,

1.1.4?Grade F-4UNS R50700. Unalloyed titanium,

1.1.5?Grade F-5UNS R56400. Titanium alloy (6 % aluminum, 4 % vanadium),

1.1.6?Grade F-6UNS R54520. Titanium alloy (5 % aluminum, 2.5 % tin),

1.1.7?Grade F-7UNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.7.1?Grade F-7HUNS R52400. Unalloyed titanium plus 0.12 to 0.25 % palladium (Grade 7 with 58 ksi (400 MPa) minimum UTS),

1.1.8?Grade F-9UNS R56320. Titanium alloy (3 % aluminum, 2.5 % vanadium),

1.1.9?Grade F-11UNS R52250. Unalloyed titanium plus 0.12 to 0.25 % palladium,

1.1.10?Grade F-12UNS R53400. Titanium alloy (0.3 % molybdenum, 0.8 % nickel),

1.1.11?Grade F-13UNS R53413. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.12?Grade F-14UNS R53414. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.13?Grade F-15UNS R53415. Titanium alloy (0.5 % nickel, 0.05 % ruthenium),

1.1.14?Grade F-16UNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.14.1?Grade F-16HUNS R52402. Unalloyed titanium plus 0.04 to 0.08 % palladium (Grade 16 with 58 ksi (400 MPa) minimum UTS),

1.1.15?Grade F-17UNS R52252. Unalloyed titanium plus 0.04 to 0.08 % palladium,

1.1.16?Grade F-18UNS R56322. Titanium alloy (3 % aluminum, 2.5 % vanadium) plus 0.04 % to 0.08 % palladium,

1.1.17?Grade F-19UNS R58640. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum),

1.1.18?Grade F-20UNS R58645. Titanium alloy (3 % aluminum, 8 % vanadium, 6 % chromium, 4 % zirconium, 4 % molybdenum) plus 0.04 to 0.08 % palladium,

1.1.19?Grade F-21UNS R58210. Titanium alloy (3 % aluminum, 2.7 % niobium, 15 % molybdenum, 0.25 % silicon),

1.1.20?Grade F-23UNS R56407. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitials, ELI),

1.1.21?Grade F-24UNS R56405. Titanium alloy (6 % aluminum, 4 % vanadium) plus 0.04 to 0.08 % palladium,

1.1.22?Grade F-25UNS R56403. 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-26UNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.23.1?Grade F-26HUNS R52404. Unalloyed titanium plus 0.08 to 0.14 % ruthenium (Grade 26 with 58 ksi (400 MPa) minimum UTS),

1.1.24?Grade F-27UNS R52254. Unalloyed titanium plus 0.08 to 0.14 % ruthenium,

1.1.25?Grade F-28UNS R56323. Titanium alloy (3 % aluminum, 2.5 % vanadium plus 0.08 to 0.14 % ruthenium),

1.1.26?Grade F-29UNS R56404. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI plus 0.08 to 0.14 % ruthenium),

1.1.27?Grade F-30UNS R53530. Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.28?Grade F-31UNS R53532. Titanium alloy (0.3 % cobalt, 0.05 % palladium),

1.1.29?Grade F-32UNS R55111. Titanium alloy (5 % aluminum, 1 % vanadium, 1 % tin, 1 % zirconium, 0.8 % molybdenum),

1.1.30?Grade F-33UNS R53442. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.31?Grade F-34UNS R53445. Titanium alloy (0.4 % nickel, 0.015 % palladium, 0.025 % ruthenium, 0.15 % chromium),

1.1.32?Grade F-35UNS R56340. Titanium alloy (4.5 % aluminum, 2 % molybdenum, 1.6 % vanadium, 0.5 % iron, 0.3 % silicon),

1.1.33?Grade F-36UNS R58450. Titanium alloy (45 % niobium),

1.1.34?Grade F-37UNS R52815. Titanium alloy (1.5 % aluminum), and

1.1.35?Grade F-38UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron).

Note 1:?H grade material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher guaranteed minimum UTS, and may always be certified as meeting the requirements of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H are intended primarily for pressure vessel use.

1.2?The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

E8-04	Standard Test Methods for Tension Testing of Metallic Materials
E2371-21a	Standard Test Method for Analysis of Titanium and Titanium Alloys by Direct Current Plasma and Inductively Coupled Plasma Atomic Emission Spectrometry (Performance-Based Test Methodology) (Includes all amendments and changes 1/6/2022).
E1941-10(2016)	Standard Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion Analysis
E1447-22	Standard Test Method for Determination of Hydrogen in Reactive Metals and Reactive Metal Alloys by Inert Gas Fusion with Detection by Thermal Conductivity or Infrared Spectrometry
E1409-13(2021)	Standard Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by Inert Gas Fusion
E539-19	Standard Test Method for Analysis of Titanium Alloys by Wavelength Dispersive X-Ray Fluorescence Spectrometry
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E2626-08	Standard Guide for Spectrometric Analysis of Reactive and Refractory Metals
B348-13	Standard Specification for Titanium and Titanium Alloy Bars and Billets

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