ASTM B 777-99
Class
|
1
|
2
|
3
|
4
|
|
Tungsten Nominal % |
90
|
92.5
|
95
|
97
|
|
Density (g/cc) |
16.85-17.25
|
17.15-17.85
|
17.75-18.35
|
18.25-18.85
|
|
Hardness (HRC) Max |
32
|
33
|
34
|
35
|
|
Ultimate Tensile Strength | ksi |
110
|
110
|
105
|
100
|
Mpa |
758
|
758
|
724
|
689
|
|
Yield Strength at 0.2% off-set | ksi |
75
|
75
|
75
|
75
|
Mpa |
517
|
517
|
517
|
517
|
|
Elongation, % |
5
|
5
|
3
|
2
|
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