ASTM B777
AMS-T-21014

Brand

Composition （wt%）

Density
(g/cc)

Hardness (HRC) Max

UTS
(Mpa)

Yield Strength at 0.2% off-set (Mpa)

Elongation
(%)

W

Ni

Fe

Cu

Class 1

HWNF100

90

7

3

-

16.85-17.25

32

758

517

5

Class 2

HWNF75

92.5

5.25

2.25

-

17.15-17.85

33

758

517

5

Class 3

HWNF50

95

3.5

1.5

-

17.75-18.35

34

724

517

3

Class 4

HWNF25

97

2.1

0.9

-

18.25-18.85

35

689

517

2

Class 1

HWNC100

90

6

-

4

16.85-17.25

24

758

550

6

Class 3

HWNC50

95

3.5

-

1.5

17.75-18.35

27

758

586

7