Designation:

B381

−

13

Standard

Specification

for

Titanium

and

Titanium

Alloy

Forgings

1

This

standard

is

issued

under

the

fixed

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*

1.1

This

specification

2

covers

39

grades

of

annealed

tita-

nium

and

titanium

alloy

forgings

as

follows:

1.1.1

Grade

F-1—

UNS

R50250.

Unalloyed

titanium,

1.1.2

Grade

F-2—

UNS

R50400.

Unalloyed

titanium,

1.1.2.1

Grade

F-2H—

UNS

R50400.

Unalloyed

titanium

(Grade

2

with

58

ksi

(400

MPa)

minimum

UTS),

1.1.3

Grade

F-3—

UNS

R50550.

Unalloyed

titanium,

1.1.4

Grade

F-4—

UNS

R50700.

Unalloyed

titanium,

1.1.5

Grade

F-5—

UNS

R56400.

Titanium

alloy

(6

%

aluminum,

4

%

vanadium),

1.1.6

Grade

F-6—

UNS

R54520.

Titanium

alloy

(5

%

aluminum,

2.5

%

tin),

1.1.7

Grade

F-7—

UNS

R52400.

Unalloyed

titanium

plus

0.12

to

0.25

%

palladium,

1.1.7.1

Grade

F-7H—

UNS

R52400.

Unalloyed

titanium

plus

0.12

to

0.25

%

palladium

(Grade

7

with

58

ksi

(400

MPa)

minimum

UTS),

1.1.8

Grade

F-9—

UNS

R56320.

Titanium

alloy

(3

%

aluminum,

2.5

%

vanadium),

1.1.9

Grade

F-11—

UNS

R52250.

Unalloyed

titanium

plus

0.12

to

0.25

%

palladium,

1.1.10

Grade

F-12—

UNS

R53400.

Titanium

alloy

(0.3

%

molybdenum,

0.8

%

nickel),

1.1.11

Grade

F-13—

UNS

R53413.

Titanium

alloy

(0.5

%

nickel,

0.05

%

ruthenium),

1.1.12

Grade

F-14—

UNS

R53414.

Titanium

alloy

(0.5

%

nickel,

0.05

%

ruthenium),

1.1.13

Grade

F-15—

UNS

R53415.

Titanium

alloy

(0.5

%

nickel,

0.05

%

ruthenium),

1.1.14

Grade

F-16—

UNS

R52402.

Unalloyed

titanium

plus

0.04

to

0.08

%

palladium,

1.1.14.1

Grade

F-16H—

UNS

R52402.

Unalloyed

titanium

plus

0.04

to

0.08

%

palladium

(Grade

16

with

58

ksi

(400

MPa)

minimum

UTS),

1.1.15

Grade

F-17—

UNS

R52252.

Unalloyed

titanium

plus

0.04

to

0.08

%

palladium,

1.1.16

Grade

F-18—

UNS

R56322.

Titanium

alloy

(3

%

aluminum,

2.5

%

vanadium)

plus

0.04

%

to

0.08

%

palladium,

1.1.17

Grade

F-19—

UNS

R58640.

Titanium

alloy

(3

%

aluminum,

8

%

vanadium,

6

%

chromium,

4

%

zirconium,

4

%

molybdenum),

1.1.18

Grade

F-20—

UNS

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-21—

UNS

R58210.

Titanium

alloy

(3

%

aluminum,

2.7

%

niobium,

15

%

molybdenum,

0.25

%

silicon),

1.1.20

Grade

F-23—

UNS

R56407.

Titanium

alloy

(6

%

aluminum,

4

%

vanadium,

extra

low

interstitials,

ELI),

1.1.21

Grade

F-24—

UNS

R56405.

Titanium

alloy

(6

%

aluminum,

4

%

vanadium)

plus

0.04

to

0.08

%

palladium,

1.1.22

Grade

F-25—

UNS

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-26—

UNS

R52404.

Unalloyed

titanium

plus

0.08

to

0.14

%

ruthenium,

1.1.23.1

Grade

F-26H—

UNS

R52404.

Unalloyed

titanium

plus

0.08

to

0.14

%

ruthenium

(Grade

26

with

58

ksi

(400

MPa)

minimum

UTS),

1.1.24

Grade

F-27—

UNS

R52254.

Unalloyed

titanium

plus

0.08

to

0.14

%

ruthenium,

1.1.25

Grade

F-28—

UNS

R56323.

Titanium

alloy

(3

%

aluminum,

2.5

%

vanadium

plus

0.08

to

0.14

%

ruthenium),

1.1.26

Grade

F-29—

UNS

R56404.

Titanium

alloy

(6

%

aluminum,

4

%

vanadium,

extra

low

interstitial,

ELI

plus

0.08

to

0.14

%

ruthenium),

1.1.27

Grade

F-30—

UNS

R53530.

Titanium

alloy

(0.3

%

cobalt,

0.05

%

palladium),

1.1.28

Grade

F-31—

UNS

R53532.

Titanium

alloy

(0.3

%

cobalt,

0.05

%

palladium),

1.1.29

Grade

F-32—

UNS

R55111.

Titanium

alloy

(5

%

aluminum,

1

%

vanadium,

1

%

tin,

1

%

zirconium,

0.8

%

molybdenum),

1.1.30

Grade

F-33—

UNS

R53442.

Titanium

alloy

(0.4

%

nickel,

0.015

%

palladium,

0.025

%

ruthenium,

0.15

%