1、Designation: B381 101B381 13Standard Specification forTitanium and Titanium Alloy Forgings1This standard is issued under the fixed designation B381; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numbe
2、r in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1 NOTEFootnote I in Table 1 was corrected editorially in March 2011.1. Scope*1.1 This specification2 covers 39 grades of annealed titanium and titanium
3、alloy forgings as follows:1.1.1 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 titani
4、um,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 (Gr
5、ade 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. Tita
6、nium 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
7、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
8、-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 % a
9、luminum, 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
10、 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 G
11、rade 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 This specification is under the jurisdiction of ASTM Committee B10 on Reactive and Refractory Metals and Alloys and is the
12、direct responsibility of SubcommitteeB10.01 on Titanium.Current edition approved May 1, 2010July 1, 2013. Published May 2010August 2013. Originally approved in 1961. Last previous edition approved in 20092010 asB381 09.B381 101. DOI: 10.1520/B0381-10E01.10.1520/B0381-13.2 For ASME Boiler and Pressur
13、e Vessel Code applications, see related Specification SB-381 in Section II of that Code.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible t
14、o adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright
15、 ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States11.1.26 Grade F-29UNS R56404. Titanium alloy (6 % aluminum, 4 % vanadium, extra low interstitial, ELI plus 0.08 to0.14 % ruthenium),1.1.27 Grade F-30UNS R53530. Titanium alloy (0.3 % cobalt, 0.05
16、% 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,
17、 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 %
18、 niobium),1.1.34 Grade F-37UNS R52815. Titanium alloy (1.5 % aluminum), and1.1.35 Grade F-38UNS R54250. Titanium alloy (4 % aluminum, 2.5 % vanadium, 1.5 % iron).NOTE 1H grade material is identical to the corresponding numeric grade (that is, Grade 2H = Grade 2) except for the higher guaranteed mini
19、mumUTS, and may always be certified as meeting the requirements of its corresponding numeric grade. Grades 2H, 7H, 16H, and 26H are intended primarilyfor pressure vessel use.The H grades were added in response to a user association request based on its study of over 5200 commercial Grade 2, 7, 16, a
20、nd 26 test reports,where over 99 % met the 58 ksi minimum UTS.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.2. Referenced Documen
21、ts2.1 ASTM Standards:3B348 Specification for Titanium and Titanium Alloy Bars and BilletsE8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE539 Test Method for Analysis of Titanium Alloys by X-R
22、ay Fluorescence SpectrometryE1409 Test Method for Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert Gas FusionTechniqueE1447 Test Method for Determination of Hydrogen in Titanium and Titanium Alloys by Inert Gas Fusion ThermalConductivity/Infrared Detection MethodE194
23、1 Test Method for Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion AnalysisE2371 Test Method for Analysis of Titanium and Titanium Alloys by Direct Current Plasma and Inductively Coupled PlasmaAtomic Emission Spectrometry (Performance-Based Test Methodology)E2
24、626 Guide for Spectrometric Analysis of Reactive and Refractory Metals3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 bar, na hot rolled, forged or cold worked semifinished solid section product whose cross sectional area is less than 16in.2 (10 323 mm2).3.1.2 billet, na solid
25、 semifinished section, hot rolled or forged from an ingot, with a cross sectional area greater than 16 in.2(10 323 mm2).3.1.3 forging, nany product of work on metal formed to a desired shape by impact or pressure in hammers, forging machines,upsetters presses or related forming equipment.4. Ordering
26、 Information4.1 Orders for forgings under this specification shall include the following information, as applicable:4.1.1 Grade number (Section 1),4.1.2 Tensile properties (Table 1),4.1.3 Dimensions and tolerances (Section 10),4.1.4 Sampling, mechanical properties (Section 8),4.1.5 Methods for chemi
27、cal analysis (Section 6),4.1.6 Marking (Section 17),4.1.7 Packaging (Section 17),4.1.8 Certification (Section 16),3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the
28、 standards Document Summary page on the ASTM website.B381 132TABLE 1 Tensile RequirementsACOLSPEC/colname=“col7“ align=“center“Grade Tensile Strength,ksi (MPa) ksi (MPa)F-1 35 (240) 20 (138) 24 30F-1 35 (240) 20 (138) 24 30F-2 50 (345) 40 (275) 20 30F-2 50 (345) 40 (275) 20 30F-2HB,C 58 (400) 40 (27
29、5) 20 30F-3 65 (450) 55 (380) 18 30F-3 65 (450) 55 (380) 18 30F-4 80 (550) 70 (483) 15 25F-4 80 (550) 70 (483) 15 25F-5 130 (895) 120 (828) 10 25F-5 130 (895) 120 (828) 10 25F-6 120 (828) 115 (795) 10 25F-6 120 (828) 115 (795) 10 25F-7 50 (345) 40 (275) 20 30F-7 50 (345) 40 (275) 20 30F-7HB,C 58 (40
30、0) 40 (275) 20 30F-9 120 (828) 110 (759) 10 25F-9 120 (828) 110 (759) 10 25F-9D 90 (620) 70 (483) 15 25F-9D 90 (620) 70 (483) 15 25F-11 35 (240) 20 (138) 24 30F-11 35 (240) 20 (138) 24 30F-12 70 (483) 50 (345) 18 25F-12 70 (483) 50 (345) 18 25F-13 40 (275) 25 (170) 24 30F-13 40 (275) 25 (170) 24 30F
31、-14 60 (410) 40 (275) 20 30F-14 60 (410) 40 (275) 20 30F-15 70 (483) 55 (380) 18 25F-15 70 (483) 55 (380) 18 25F-16 50 (345) 40 (275) 20 30F-16 50 (345) 40 (275) 20 30F-16HB,C 58 (400) 40 (275) 20 30F-17 35 (240) 20 (138) 24 30F-17 35 (240) 20 (138) 24 30F-18 90 (620) 70 (483) 15 25F-18 90 (620) 70
32、(483) 15 25F-18D 90 (620) 70 (483) 12 20F-18D 90 (620) 70 (483) 12 20F-19E 115 (793) 110 (759) 15 25F-19E 115 (793) 110 (759) 15 25F-19F 135 (930) 130 to 159 (897) to (1096) 10 20F-19F 135 (930) 130 to 159 (897) to (1096) 10 20F-19G 165 (1138) 160 to 185 (1104) to (1276) 5 20F-19G 165 (1138) 160 to
33、185 (1104) to (1276) 5 20F-20E 115 (793) 110 (759) 15 25F-20E 115 (793) 110 (759) 15 25F-20F 135 (930) 130 to 159 (897) to (1096) 10 20F-20F 135 (930) 130 to 159 (897) to (1096) 10 20F-20G 165 (1138) 160 to 185 (1104) to (1276) 5 20F-20G 165 (1138) 160 to 185 (1104) to (1276) 5 20F-21E 115 (793) 110
34、 (759) 15 35F-21E 115 (793) 110 (759) 15 35F-21F 140 (966) 130 to 159 (897) to (1096) 10 30F-21F 140 (966) 130 to 159 (897) to (1096) 10 30F-21G 170 (1172) 160 to 185 (1104) to (1276) 8 20F-21G 170 (1172) 160 to 185 (1104) to (1276) 8 20F-23 120 (828) 110 (759) 10 25F-23 120 (828) 110 (759) 10 25F-2
35、3D 120 (828) 110 (759) 7.5H , 6.0I 25F-23D 120 (828) 110 (759) 7.5H , 6.0I 25F-24 130 (895) 120 (828) 10 25F-24 130 (895) 120 (828) 10 25F-25 130 (895) 120 (828) 10 25F-25 130 (895) 120 (828) 10 25F-26 50 (345) 40 (275) 20 30F-26 50 (345) 40 (275) 20 30F-26HB,C 58 (400) 40 (275) 20 30F-27 35 (240) 2
36、0 (138) 24 30F-27 35 (240) 20 (138) 24 30F-28 90 (620) 70 (483) 15 25F-28 90 (620) 70 (483) 15 25F-28D 90 (620) 70 (483) 12 20F-28D 90 (620) 70 (483) 12 20B381 1334.1.9 Disposition of rejected material (Section 14), and4.1.10 Supplementary requirements (S1).5. Materials and Manufacture5.1 Material c
37、onforming to the latest revision of Specification B348 shall be used when producing forgings to this specification.6. Chemical Composition6.1 The grades of titanium and titanium alloy metal covered by this specification shall conform to the requirements as tochemical composition prescribed in Table
38、2.6.1.1 The elements listed in Table 2 are intentional alloy additions or elements which are inherent to the manufacturer oftitanium sponge, ingot or mill product.6.1.1.1 Elements other than those listed in Table 2 are deemed to be capable of occurring in the grades listed in Table 2 by andonly by w
39、ay of unregulated or unanalyzed scrap additions to the ingot melt. Therefore, product analysis for elements not listed inTable 2 shall not be required unless specified and shall be considered to be in excess of the intent of this specification.6.1.2 Elements intentionally added to the melt must be i
40、dentified, analyzed, and reported in the chemical analysis.6.2 When agreed upon by the producer and purchaser and requested by the purchaser in his written purchase order, chemicalanalysis shall be completed for specific residual elements not listed in this specification.6.3 Product AnalysisProduct
41、analysis tolerances do not broaden the specified heat analysis requirements, but cover variationsbetween laboratories in the measurement of chemical content. The manufacturer shall not ship material which is outside the limitsspecified in Table 2 for the applicable grade. Product analysis limits sha
42、ll be as specified in Table 3.6.4 SamplingSamples for chemical analysis shall be representative of material being tested. Except for hydrogen and unlessotherwise specified, chemical analysis of ingot or billet shall be reported. Samples for hydrogen determination shall be obtainedfrom the forgings o
43、n a test basis and a frequency as agreed upon between the forger and the purchaser. The utmost care must beGradeTensile Strength,ksi (MPa) ksi (MPa)F-29 120 (828) 110 (759) 10 25F-29 120 (828) 110 (759) 10 25F-29D 120 (828) 110 (759) 7.5H , 6.0I 15F-29D 120 (828) 110 (759) 7.5H , 6.0I 15F-30 50 (345
44、) 40 (275) 20 30F-30 50 (345) 40 (275) 20 30F-31 65 (450) 55 (380) 18 30F-31 65 (450) 55 (380) 18 30F-32 100 (689) 85 (586) 10 25F-32 100 (689) 85 (586) 10 25F-33 50 (345) 40 (275) 20 30F-33 50 (345) 40 (275) 20 30F-34 65 (450) 55 (380) 18 30F-34 65 (450) 55 (380) 18 30F-35 130 (895) 120 (828) 5 20F
45、-35 130 (895) 120 (828) 5 20F-36 65 (450)F-36 65 (450)F-37 50 (345)F-37 50 (345)F-38 130 (895)F-38 130 (895)A These properties apply to forgings having a cross section no greater than 3 in.2 (1935 mm2). Mechanical properties of forgings having greater cross sections shall benegotiated between the ma
46、nufacturer and the purchaser.B Material is identical to the corresponding numeric grade (that is, Grade F-2H = Grade F-2) except for the higher guaranteed minimum UTS, and may be dual certifiedwith its corresponding numeric grade. Grade F-2H, F-7H, F-16H, and F-26H are intended primarily for pressur
47、e vessel use.C The H grades were added in response to a user association request based on its study of over 5200 commercial Grade 2, 7, 16, and 26 test reports where over 99 %met the 58 ksi minimum UTS.D Properties for material in transformed-beta condition.E Properties for material in the solution
48、treated condition.F Properties for solution treated and aged condition-Moderate strength (determined by aging temperature).G Properties for solution treated and aged condition-High Strength (determined by aging temperature).H For product section or wall thickness values 30 0.50Niobium 30 0.50Nitroge
49、n 0.05 +0.02Oxygen 0.30 +0.03Oxygen 0.30 +0.03Oxygen 0.31 to 0.40 0.04Oxygen 0.31 to 0.40 0.04Palladium 0.01 to 0.02 0.002Palladium 0.04 to 0.08 0.005Palladium 0.12 to 0.25 0.02Ruthenium 0.02 to 0.04 0.005Ruthenium 0.04 to 0.06 0.005Ruthenium 0.08 to 0.14 0.01Silicon 0.06 to 0.40 0.02Tin 0.6 to 3.0 0.15Vanadium 0.6 to 4.5 0.15Vanadium 0.6 to 4.5 0.15Vanadium 7.5 to 8.5 0.40Vanadium 7.5 to 8.5 0.40Zirconium 0.6 to 1.4 0.15Zirconium 3.5 to 4.5 0.20Zirconium 3.5 to 4.5 0.20ResidualsA (each) 0.15 +0.02A A resi
