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ASTM B381-2013

Designation:B381?13

Standard Speci?cation for

Titanium and Titanium Alloy Forgings1

This standard is issued under the?xed designation B381;the number immediately following the designation indicates the year of original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon(′)indicates an editorial change since the last revision or reapproval.

1.Scope*

1.1This speci?cation2covers39grades of annealed tita-nium and titanium alloy forgings as follows:

1.1.1Grade F-1—UNS R50250.Unalloyed titanium,

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

1.1.

2.1Grade F-2H—UNS R50400.Unalloyed titanium (Grade2with58ksi(400MPa)minimum UTS),

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

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

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

1.1.6Grade F-6—UNS R54520.Titanium alloy(5% aluminum,

2.5%tin),

1.1.7Grade F-7—UNS R52400.Unalloyed titanium plus

0.12to0.25%palladium,

1.1.7.1Grade F-7H—UNS R52400.Unalloyed titanium plus0.12to0.25%palladium(Grade7with58ksi(400MPa) minimum UTS),

1.1.8Grade F-9—UNS R56320.Titanium alloy(3% aluminum,

2.5%vanadium),

1.1.9Grade F-11—UNS R52250.Unalloyed titanium plus

0.12to0.25%palladium,

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

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

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

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

1.1.14Grade F-16—UNS R5240

2.Unalloyed titanium plus

0.04to0.08%palladium,

1.1.14.1Grade F-16H—UNS R5240

2.Unalloyed titanium plus0.04to0.08%palladium(Grade16with58ksi(400 MPa)minimum UTS),

1.1.15Grade F-17—UNS R5225

2.Unalloyed titanium plus

0.04to0.08%palladium,

1.1.16Grade F-18—UNS R5632

2.Titanium alloy(3% aluminum,2.5%vanadium)plus0.04%to0.08%palladium, 1.1.17Grade F-19—UNS R58640.Titanium alloy(3% aluminum,8%vanadium,6%chromium,4%zirconium,4% molybdenum),

1.1.18Grade F-20—UNS R58645.Titanium alloy(3% aluminum,8%vanadium,6%chromium,4%zirconium,4% molybdenum)plus0.04to0.08%palladium,

1.1.19Grade F-21—UNS R58210.Titanium alloy(3% aluminum,

2.7%niobium,15%molybdenum,0.25% silicon),

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

1.1.21Grade F-24—UNS R56405.Titanium alloy(6% aluminum,4%vanadium)plus0.04to0.08%palladium, 1.1.22Grade F-25—UNS R56403.Titanium alloy(6% aluminum,4%vanadium)plus0.3to0.8%nickel and0.04to

0.08%palladium,

1.1.23Grade F-26—UNS R52404.Unalloyed titanium plus

0.08to0.14%ruthenium,

1.1.23.1Grade F-26H—UNS R52404.Unalloyed titanium plus0.08to0.14%ruthenium(Grade26with58ksi(400 MPa)minimum UTS),

1.1.24Grade F-27—UNS R52254.Unalloyed titanium plus

0.08to0.14%ruthenium,

1.1.25Grade F-28—UNS R56323.Titanium alloy(3% aluminum,

2.5%vanadium plus0.08to0.14%ruthenium), 1.1.26Grade F-29—UNS R56404.Titanium alloy(6% aluminum,4%vanadium,extra low interstitial,ELI plus0.08 to0.14%ruthenium),

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

1.1.28Grade F-31—UNS R5353

2.Titanium alloy(0.3% cobalt,0.05%palladium),

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

1.1.30Grade F-33—UNS R5344

2.Titanium alloy(0.4% nickel,0.015%palladium,0.025%ruthenium,0.15% chromium),

1This speci?cation is under the jurisdiction of ASTM Committee B10on

Reactive and Refractory Metals and Alloys and is the direct responsibility of

Subcommittee B10.01on Titanium.

Current edition approved July1,2013.Published August2013.Originally

approved https://www.wendangku.net/doc/b515594096.html,st previous edition approved in2010as B381–10ε1.DOI:

10.1520/B0381-13.

2For ASME Boiler and Pressure Vessel Code applications,see related Speci?-

cation SB-381in Section II of that Code.

*A Summary of Changes section appears at the end of this standard Copyright?ASTM International,100Barr Harbor Drive,PO Box C700,West Conshohocken,PA19428-2959.United States

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

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

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

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

1.1.35Grade F-38—UNS R54250.Titanium alloy (4%aluminum,

2.5%vanadium,1.5%iron).

N OTE 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 certi?ed as meeting the requirements of its corresponding numeric grade.Grades 2H,7H,16H,and 26H are intended primarily for pressure vessel use.

1.2The 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.

2.Referenced Documents

2.1ASTM Standards:3

B348Speci?cation for Titanium and Titanium Alloy Bars and Billets

E8Test Methods for Tension Testing of Metallic Materials E29Practice for Using Signi?cant Digits in Test Data to Determine Conformance with Speci?cations

E539Test Method for Analysis of Titanium Alloys by X-Ray Fluorescence Spectrometry

E1409Test Method for Determination of Oxygen and Nitro-gen in Titanium and Titanium Alloys by the Inert Gas Fusion Technique

E1447Test Method for Determination of Hydrogen in Tita-nium and Titanium Alloys by Inert Gas Fusion Thermal Conductivity/Infrared Detection Method

E1941Test Method for Determination of Carbon in Refrac-tory and Reactive Metals and Their Alloys by Combustion Analysis

E2371Test Method for Analysis of Titanium and Titanium Alloys by Direct Current Plasma and Inductively Coupled Plasma Atomic Emission Spectrometry (Performance-Based Test Methodology)

E2626Guide for Spectrometric Analysis of Reactive and Refractory Metals 3.Terminology

3.1De?nitions of Terms Speci?c to This Standard:

3.1.1bar,n—a hot rolled,forged or cold worked semi?n-ished solid section product whose cross sectional area is less than 16in.2(10323mm 2).

3.1.2billet,n—a solid semi?nished section,hot rolled or forged from an ingot,with a cross sectional area greater than 16in.2(10323mm 2).

3.1.3forging,n—any 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 Information

4.1Orders for forgings under this speci?cation shall include the following information,as applicable:4.1.1Grade number (Section 1),4.1.2Tensile properties (Table 1),

4.1.3Dimensions and tolerances (Section 10),4.1.4Sampling,mechanical properties (Section 8),4.1.5Methods for chemical analysis (Section 6),4.1.6Marking (Section 17),4.1.7Packaging (Section 17),4.1.8Certi?cation (Section 16),

4.1.9Disposition of rejected material (Section 14),and 4.1.10Supplementary requirements (S1).

5.Materials and Manufacture

5.1Material conforming to the latest revision of Speci?ca-tion B348shall be used when producing forgings to this speci?cation.

6.Chemical Composition

6.1The grades of titanium and titanium alloy metal covered by this speci?cation shall conform to the requirements as to chemical composition prescribed in Table 2.

6.1.1The elements listed in Table 2are intentional alloy additions or elements which are inherent to the manufacturer of titanium sponge,ingot or mill product.

6.1.1.1Elements other than those listed in Table 2are deemed to be capable of occurring in the grades listed in Table 2by and only by way of unregulated or unanalyzed scrap additions to the ingot melt.Therefore,product analysis for elements not listed in Table 2shall not be required unless speci?ed and shall be considered to be in excess of the intent of this speci?cation.

6.1.2Elements intentionally added to the melt must be identi?ed,analyzed,and reported in the chemical analysis.6.2When agreed upon by the producer and purchaser and requested by the purchaser in his written purchase order,chemical analysis shall be completed for speci?c residual elements not listed in this speci?cation.

6.3Product Analysis—Product analysis tolerances do not broaden the speci?ed heat analysis requirements,but cover variations between laboratories in the measurement of chemi-cal content.The manufacturer shall not ship material which is outside the limits speci?ed in Table 2for the applicable grade.Product analysis limits shall be as speci?ed in Table 3.6.4Sampling—Samples for chemical analysis shall be rep-resentative of material being tested.Except for hydrogen and unless otherwise speci?ed,chemical analysis of ingot or billet shall be reported.Samples for hydrogen determination shall be obtained from the forgings on a test basis and a frequency as agreed upon between the forger and the purchaser.The utmost care must be used in sampling titanium for chemical analysis because of its great affinity for elements such as oxygen,

For referenced ASTM standards,visit the ASTM website,https://www.wendangku.net/doc/b515594096.html,,or contact ASTM Customer Service at service@https://www.wendangku.net/doc/b515594096.html,.For Annual Book of ASTM Standards volume information,refer to the standard’s Document Summary page on the ASTM

website.

B381?13

nitrogen,and hydrogen.Therefore,the cutting and handling of samples should include practices that will prevent contamina-tion.Samples shall be collected from clean metal. 6.5At least two samples for chemical analysis shall be tested to determine chemical composition.Samples shall be taken from opposite extremes of the product to be analyzed.

TABLE 1Tensile Requirements A

Grade Tensile Strength,min Yield Strength (0.2%Offset),min or Range

Elongation in 4D ,

min,%

Reduction of Area,

min,%

ksi (MPa)ksi (MPa)

F-135(240)20(138)2430F-2

50(345)40(275)2030F-2H B ,C 58(400)40(275)2030F-365(450)55(380)1830F-480(550)70(483)1525F-5130(895)120(828)1025F-6120(828)115(795)1025F-7

50(345)40(275)2030F-7H B ,C 58(400)40(275)2030F-9120(828)110(759)1025F-9D 90(620)70(483)1525F-1135(240)20(138)2430F-1270(483)50(345)1825F-1340(275)25(170)2430F-1460(410)40(275)2030F-1570(483)55(380)1825F-16

50(345)40(275)2030F-16H B ,C 58(400)40(275)2030F-1735(240)20(138)2430F-1890(620)70(483)1525F-18D 90(620)70(483)1220F-19E 115(793)110(759)

1525F-19F 135(930)130to 159(897)to (1096)1020F-19G 165(1138)160to 185

(1104)to (1276)520F-20E 115(793)110(759)

1525F-20F 135(930)130to 159(897)to (1096)1020F-20G 165(1138)160to 185

(1104)to (1276)520F-21E 115(793)110(759)

1535F-21F 140(966)130to 159(897)to (1096)1030F-21G 170(1172)160to 185

(1104)to (1276)820F-23120(828)110(759)1025F-23D 120(828)110(759)7.5H ,6.0I

25F-24130(895)120(828)1025F-25130(895)120(828)1025F-26

50(345)40(275)2030F-26H B ,C 58(400)40(275)2030F-2735(240)20(138)2430F-2890(620)70(483)1525F-28D 90(620)70(483)1220F-29120(828)110(759)1025F-29D 120(828)110(759)7.5H ,6.0I

15F-3050(345)40(275)2030F-3165(450)55(380)1830F-32100(689)85(586)1025F-3350(345)40(275)2030F-3465(450)55(380)1830F-35130(895)120(828)

520F-3665(450)60to 95

(410to 655)10...F-3750(345)31(215)2030F-38

130

(895)

115

(794)

These properties apply to forgings having a cross section no greater than 3in.2(1935mm 2).Mechanical properties of forgings having greater cross sections shall be negotiated between the manufacturer 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 certi?ed with its corresponding numeric grade.Grade F-2H,F-7H,F-16H,and F-26H are intended primarily for pressure vessel use.C

The H grades were added in response to a user association request based on its study of over 5200commercial Grade 2,7,16,and 26test reports where over 99%met the 58ksi minimum UTS.D

Properties for material in transformed-beta condition.E

Properties for material in the solution 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 <1.0in.I

For product section or

wall thickness values $1.0in.

B381?13

T A B L E 2C h e m i c a l R e q u i r e m e n t s

C o m p o s i t i o n ,W e i g h t P e r c e n t A ,B ,C ,

D ,E

G r a d e U N S N u m b e r C a r b o n ,m a x .O x y g e n r a n g e o r m a x .N i t r o g e n ,m a x .H y d r o g e n ,m a x .I r o n r a n g e o r m a x .A l u m i n u m V a n a d i u m P a l l a d i u m R u t h e n i u m

N i c k e l

M o l y b d e n u m C h r o m i u m C o b a l t Z i r c o n i u m N i o b i u m

T i n S i l i c o n O t h e r E l e m e n t s ,m a x .e a c h O t h e r E l e m e n t s ,m a x .t o t a l

F -1

R 502500.080.180.030.0150.20------------------------0.10.4F -2/F -2H R 504000.080.250.030.015

0.30

------------------------0.10.4

F -3R 505500.080.350.050.0150.30------------------------0.1

0.4F -4R 507000.080.400.050.0150.50------------------------0.10.4F -5

R 564000.080.200.050.015

0.40

5.5-

6.753.5-4.5--------------------0.1

0.4

F -6R 545200.080.200.030.015

0.50

4.0-6.0------------------2.0-3.0--0.1

0.4

F -7/F -7H R 524000.080.250.030.015

0.30

----0.12-0.25----------------

--0.1

0.4

F -9

R 563200.080.150.030.015

0.25

2.5-

3.52.0-3.0--

------------------0.1

0.4

F -11R 522500.080.180.030.015

0.20

----

0.12-0.25------------------0.1

0.4

F -12R 534000.080.250.030.015

0.30

--------0.6-0.90.2-0.4------------0.1

0.4

F -13R 534130.080.100.030.015

0.20

------0.04-0.06

0.4-0.6--------------0.1

0.4

F -14R 534140.080.150.030.015

0.30

------0.04-0.060.4-0.6--------------0.1

0.4

F -15R 534150.080.250.050.015

0.30

------0.04-0.060.4-0.6--------------0.1

0.4

F -16/F -16H R 524020.080.250.030.015

0.30

----0.04-0.08--

--------------0.1

0.4

F -17R 522520.08

0.180.030.015

0.20

----0.04-0.08------------------0.1

0.4

F -18R 563220.080.150.030.015

0.25

2.5-

3.52.0-3.00.04-0.08------------------0.1

0.4

F -19R 586400.050.120.030.02

0.30

3.0-

4.07.5-8.5------3.5-4.5

5.5-

6.5--3.5-4.5------0.15

0.4

F -20R 586450.050.120.030.02

0.303.0-4.07.5-8.50.04-0.08----3.5-4.55.5-6.5--3.5-4.5------0.15

0.4

F -21R 582100.050.170.030.015

0.40

2.5-

3.5--------1

4.0-16.0------

2.2-

3.2--0.15-0.250.1

0.4

F -23R 564070.080.130.030.0125

0.25

5.5-

6.53.5-4.5--------------------

0.1

0.4

F -24R 564050.080.200.050.015

0.40

5.5-

6.753.5-4.50.04-0.08------------------0.1

0.4

F -25R 564030.080.200.050.015

0.40

5.5-

6.753.5-4.50.04-0.08--0.3-0.8--------------0.1

0.4

F -26/F -16H R 524040.080.250.030.015

0.30

------0.08-0.14----------------0.1

0.4

F -27R 522540.08

0.180.030.015

0.20

------0.08-0.14----------------0.1

0.4

F -28R 563230.080.150.030.015

0.25

2.5-

3.52.0-3.0--0.08-0.14----------------0.1

0.4

F -29R 564040.080.130.030.0125

0.25

5.5-

6.53.5-4.5--0.08-0.14----------------0.1

0.4

F -30R 535300.080.250.030.015

0.30

----0.04-0.08--------0.20-0.80

--------0.1

0.4

F -31R 535320.080.350.050.015

0.30

----0.04-0.08

--------0.20-0.80

--------0.1

B381?13

T A B L E 2

C o n t i n u e d

C o m p o s i t i o n ,W e i g h t P e r c e n t A ,B ,C ,

D ,E

N i c k e l

M o l y b d e n u m C h r o m i u m C o b a l t Z i r c o n i u m

N i o b i u m

T i n S i l i c o n O t h e r E l e m e n t s ,m a x .e a c h O t h e r E l e m e n t s ,m a x .t o t a l

F -32R 551110.080.110.030.015

0.25

4.5-

5.5

0.6-1.4----

--0.6-1.2----0.6-1.4--0.6-1.40.06-0.140.1

0.4

F -33R 534420.080.250.030.015

0.30

----0.01-0.020.02-0.040.35-0.55--0.1-0.2------

----0.10.4

F -34R 534450.080.350.050.0150.30----0.01-0.020.02-0.040.35-0.55--0.1-0.2----------

0.1

0.4

F -35

R 563400.080.250.050.015

0.20-0.804.0-5.01.1-2.1------1.5-2.5--

--------0.20-0.400.1

0.4

F -36R 584500.040.160.030.015

0.03------------

----42.0-47.0----0.1

0.4

F -37R 528150.080.250.030.015

0.30

1.0-

2.0------------------

----0.1

0.4

F -38R 542500.08

0.20-0.30

0.030.015

1.2-1.83.5-4.5

2.0-

3.0--------------

----

--0.1

0.4

A t m i n i m u m ,t h e a n a l y s i s o f s a m p l e s f r o m t h e t o p a n d b o t t o m o f t h e i n g o t s h a l l b e c o m p l e t e d a n d r e p o r t e d f o r a l l e l e m e n t s l i s t e d f o r t h e r e s p e c t i v e g r a d e i n t h i s t a b l e .B

F i n a l p r o d u c t h y d r o g e n s h a l l b e r e p o r t e d .I n g o t h y d r o g e n n e e d n o t b e r e p o r t e d .L o w e r h y d r o g e n m a y b e o b t a i n e d b y n e g o t i a t i o n w i t h t h e m a n u f a c t u r e r .C S i n g l e v a l u e s a r e m a x i m u m .T h e p e r c e n t a g e o f t i t a n i u m i s d e t e r m i n e d b y d i f f e r e n c e .D O t h e r e l e m e n t s n e e d n o t b e r e p o r t e d u n l e s s t h e c o n c e n t r a t i o n l e v e l i s g r e a t e r t h a n 0.1%e a c h ,o r 0.4%t o t a l.O t h e r e l e m e n t s m a y n o t b e a d d e d i n t e n t i o n a l l y .O t h e r e l e m e n t s m a y b e p r e s e n t i n t i t a n i u m o r t i t a n i u m a l l o y s i n s m a l l q u a n t i t i e s a n d a r e i n h e r e n t t o t h e m a n u f a c t u r i n g p r o c e s s .I n t i t a n i u m t h e s e e l e m e n t s t y p i c a l l y i n c l u d e a l u m i n u m ,v a n a d i u m ,t i n ,c h r o m i u m ,m o l y b d e n u m ,n i o b i u m ,z i r c o n i u m ,h a f n i u m ,b i s m u t h ,r u t h e n i u m ,p a l l a d i u m ,y t t r i u m ,c o p p e r ,s i l i c o n ,c o b a l t ,t a n t a l u m ,n i c k e l ,b o r o n ,m a n g a n e s e ,a n d t u n g s t e n .E T h e p u r c h a s e r m a y ,i n t h e w r i t t e n p u r c h a s e o r d e r ,r e q u e s t a n a l y s i s f o r s p e c i ?c r e s i d u a l e l e m e n t s n o t l i s t e d i n t h i s s p e c i ?c a t i o n

B381?13

7.Methods of Chemical Analysis

7.1The chemical analysis shall normally be conducted using the ASTM standard test methods referenced in 2.1.Other industry standard methods may be used where the ASTM test methods in 2.1do not adequately cover the elements in the material or by agreement between the producer and purchaser.Alternate techniques are discussed in Guide E2626.8.Mechanical Properties

8.1Forgings supplied under this speci?cation shall conform to the requirements as to mechanical properties speci?ed in Table 1,as applicable.

8.2Specimens for tension tests shall be machined and tested in accordance with Test Methods E8.Tensile properties shall be determined using a strain rate of 0.003to 0.007in./in.·min through the speci?ed yield strength.After the speci?ed yield strength has been reached,the crosshead speed shall be increased to a rate sufficient to produce fracture in approxi-mately one additional minute.

8.3Sampling—Tension test specimens shall be machined from material as agreed upon by the manufacturer and the purchaser.

9.Nondestructive Tests

9.1Nondestructive test requirements such as ultrasonic test,X ray,or surface inspection shall be speci?ed by the purchaser,if required.The standard for acceptance or rejection shall be agreed upon between the forger and the purchaser.10.Dimensions and Permissible Variations

10.1Dimensions and tolerances of titanium and titanium alloy forgings covered by this speci?cation shall be as shown on the applicable forging drawing or otherwise agreed upon by the manufacturer and the purchaser.

11.Workmanship,Finish,and Appearance

11.1Titanium alloy forgings shall be free of injurious external and internal imperfections of a nature that will interfere with the purpose for which they are intended.An-nealed forgings may be furnished as descaled,sandblasted,or ground.The manufacturer shall be permitted to remove minor surface imperfections by spot grinding if such grinding does not reduce the thickness of the forging below the minimum permitted by the tolerance for the forging at the applicable location.12.Retests

12.1If the results of any chemical or mechanical property test lot are not in conformance with the requirements of this speci?cation,the lot may be retested at the option of the manufacturer.The frequency of the retest will double the initial number of tests.If the results of the retest conform to the speci?cation,then the retest values will become the test values for certi?cation.Only original conforming test results or the conforming retest results shall be reported to the purchaser.If the results for the retest fail to conform to the speci?cation,the material will be rejected in accordance with Section 14.13.Rounding-Off Procedure

13.1For purposes of determining conformance with this speci?cation,an observed or a calculated value shall be rounded off to the nearest“unit”in the last right-hand signi?-cant digit used in expressing the limiting value.This is in accordance with the round-off method of Practice E29.14.Rejection

14.1Forgings not conforming to this speci?cation or to authorized modi?cations shall be subject to rejection.Unless otherwise speci?ed,rejected forgings may be returned to the manufacturer at the manufacturer’s expense,unless the pur-chaser receives,within three weeks of notice of rejection,other instructions for disposition.15.Referee Test and Analysis

15.1In the event of disagreement between the manufacturer and the purchaser on the conformance of the material to the requirements of this speci?cation,a mutually acceptable ref-eree shall perform the tests in question using the ASTM standard methods in 2.1.The referee’s testing shall be used in determining conformance of the material to this speci?cation.

TABLE 3Permissible Variations in Product Analysis

Element

Product Analysis

Limits,

max or Range,%Permissible Variation in Product

Analysis

Aluminum 0.5to 2.5±0.20Aluminum 2.5to 6.75±0.40Carbon 0.10

+0.02Chromium 0.1to 0.2±0.02Chromium 5.5to 6.5±0.30Cobalt 0.2to 0.8±0.05Hydrogen 0.02+0.002Iron 0.80

+0.15Iron

1.2to 1.8±0.20Molybdenum 0.2to 0.4±0.03Molybdenum 0.6to 1.2±0.15Molybdenum 1.5to 4.5±0.20Molybdenum 14.0to 16.0±0.50Nickel 0.3to 0.9±0.05Niobium

2.2to

3.2±0.15Niobium >30±0.50Nitrogen 0.05+0.02Oxygen 0.30

+0.03Oxygen 0.31to 0.40±0.04Palladium 0.01to 0.02±0.002Palladium 0.04to 0.08±0.005Palladium 0.12to 0.25±0.02Ruthenium 0.02to 0.04±0.005Ruthenium 0.04to 0.06±0.005Ruthenium 0.08to 0.14±0.01Silicon 0.06to 0.40±0.02Tin

0.6to 3.0±0.15Vanadium 0.6to 4.5±0.15Vanadium 7.5to 8.5±0.40Zirconium 0.6to 1.4±0.15Zirconium

3.5to

4.5±0.20Residuals A (each)

0.15

+0.02

A residual is an element present in a metal or an alloy in small quantities and is inherent to the manufacturing process but not added intentionally.In titanium these elements include aluminum,vanadium,tin,iron,chromium,molybdenum,niobium,zirconium,hafnium,bismuth,ruthenium,palladium,yttrium,copper,silicon,cobalt,tantalum,nickel,boron,manganese,and

tungsten.

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16.Certi?cation

16.1The manufacturer shall supply at least one copy of the report certifying that the material supplied has been manufactured,inspected,sampled,and tested in accordance with the requirements of this speci?cation and that the results of chemical analysis,tensile,and other tests meet the require-ments of the speci?cation for the grade speci?ed.The report shall include results of all chemical analysis,tensile tests,and all other tests required by the speci?cation.17.Packaging and Package Marking

17.1Packaging—Unless otherwise speci?ed,forgings pur-chased under this speci?cation shall be packaged in accordance with the manufacturer’s standard practice.

17.2Marking—Forgings shall be marked for identi?cation as agreed upon by the manufacturer and the purchaser.

18.Keywords

18.1forgings;titanium;titanium alloys

SUPPLEMENTARY REQUIREMENTS

SUPPLEMENTARY REQUIREMENTS COVERING GRADE F3TITANIUM FORGINGS The following supplementary requirements are primarily intended for https://www.wendangku.net/doc/b515594096.html,itary applications and shall apply only when speci?ed by the purchaser in the inquiry,contract,or order.

https://www.wendangku.net/doc/b515594096.html,itary Requirements

S1.1Referenced Documents section follows.

S1.2Unless otherwise speci?ed in the contract or purchase order,the seller is responsible for the performance of all inspection and test requirements in this speci?cation,and the seller may use his or other suitable facilities for the perfor-mance of the inspection and testing.

S1.3Grade F-3composition shall be modi?ed as follows: Hydrogen0.0125max

Iron0.20max

Oxygen0.26max

S1.4Two tensile specimens shall be taken from each lot of forgings up to and125pounds,and two tensile specimens shall be taken from each forging greater than125pounds for veri?cation of compliance with Grade F-3mechanical proper-ties of Table3.A lot shall constitute all forgings from the same heat,of the same design and size and heat treated in the same heat treat furnace load.The test specimens shall be taken from integral prolongations or extra forgings may be provided by the forger.Forgings under31?2in.(90mm)in cross section may use separately forged test bars provided the wall thickness and amount of working are equivalent to the forgings being supplied.Extra forgings may be provided for samples when forgings are over31?2in.(90mm)in cross section provided samples cannot be taken from prolongations or by trepanning. Samples shall be taken from the section of forging having the largest cross section.The longitudinal axis of the tensile specimens shall be parallel to the major direction of metal?ow in the forging.

S1.5Repair welding is not permitted.

S1.6Each forging shall be ultrasonically inspected in accordance with MIL-STD-2154throughout100%of their volume.Inspection shall be performed after heat treating when the forging is machined to the con?guration for ultrasonic inspection as shown on the forging sketch or drawing.Inspec-tion shall be performed prior to drilling holes,cutting keyways, tapers,grooves,or machining section to?nal contour.Forgings shall be scanned using a straight beam technique such that all major planes are covered.Disc type forgings shall be scanned using a straight beam from at least one?at face and radially from the circumference when possible.Cylindrical,ring,and hollow forgings shall be scanned from the entire external surface using the straight beam technique,and in the axial direction to the maximum extent possible.Acceptance criteria shall be to class A of MIL-STD-2154.

S1.7All surfaces of each forging shall be liquid penetrant inspected in accordance with NA VSEA T9074-AS-GIB-010/ 271.Acceptance criteria shall be in accordance with NA VSEA S9074-AR-GIB-010/278as speci?ed in the order.

S1.8Forgings shall be free of foreign material and con-taminants such as sulfur,lead,marking paints or machining or forming lubricants.Forgings shall be cleaned prior to any heat treatment operations.Forgings shall be free of any oxygen rich layer,such as alpha case.

S1.9The?rst forging of each type and design submitted for inspection shall be the?rst article sample.Mechanical properties for?rst article inspections shall be determined throughout the forging as speci?ed in the order(which should also include speci?c instructions regarding arrangements for examinations,approval of test results,and disposition of the ?rst article samples),and the number and location of the test specimens and the acceptance criteria shall be as speci?ed or as agreed upon between the contracting activity and the manu-facturer.In addition,A full cross-section shall be macroetched in accordance with ASTM E340and examined at10×magni-?cation for uniformity,soundness,grain size and grain?ow. The macro etch cross section shall evidence uniformity of quality,soundness and freedom from cracks and porosity.A fully wrought structure shall be evident and variation in grain size shall be such that it will not interfere with ultrasonic examination.

The manufacturer shall maintain a record of production practices used for the?rst article forging.In the event of change in the production practice in the same or

subsequent B381?13

order,the manufacturer shall notify the contracting activity and obtain approval of the changes.The manufacturer may be required to perform speci?c?rst article tests and examinations to verify that the change will not or has not degraded forging quality.

S1.10The material shall be electron beam and/or plasma melted or shall be multiple melted with at least one of the melting cycles under vacuum.

S2.Referenced Documents

S2.1ASTM Standard:

E340Test Method for Macroetching Metals and Alloys

S2.2Military Standards:

T9074–AS-GIB-010/271Requirements for Nondestructive Testing Methods

S9074–AR-GIB-010/278Requirements for Fabrication Weldingand Inspection,and Casting Inspection and Repair for Machinery,Piping,and Pressure Vessels

MIL-STD-2154Inspection,Ultrasonic,Wrought Metals, Processing for

SUMMARY OF CHANGES

Committee B10has identi?ed the location of selected changes to this standard since the last issue(B381-10ε1) that may impact the use of this standard.(Approved July1,2013.)

(1)Added UNS Numbers under Scope and in Table1.

(2)Included metric equivalent UTS for H Grades in Scope.

(3)Combined H Grade and standard numeric grade on one line in Table1.(4)Deleted note describing the historical rationale for the H Grades from Scope.

ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this https://www.wendangku.net/doc/b515594096.html,ers of this standard are expressly advised that determination of the validity of any such patent rights,and the risk of infringement of such rights,are entirely their own responsibility.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?ve years and if not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.Your comments will receive careful consideration at a meeting of the responsible technical committee,which you may attend.If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards,at the address shown below.

This standard is copyrighted by ASTM International,100Barr Harbor Drive,PO Box C700,West Conshohocken,PA19428-2959, United States.Individual reprints(single or multiple copies)of this standard may be obtained by contacting ASTM at the above address or at610-832-9585(phone),610-832-9555(fax),or service@https://www.wendangku.net/doc/b515594096.html,(e-mail);or through the ASTM website (https://www.wendangku.net/doc/b515594096.html,).Permission rights to photocopy the standard may also be secured from the ASTM website(https://www.wendangku.net/doc/b515594096.html,/

B381?13