钨基,高比重金属的ASTM B777-99标准
Class |
1 |
2 |
3 |
4 |
|
钨比例 % |
90 |
92.5 |
95 |
97 |
|
密度(g/cc) |
16.85-17.25 |
17.15-17.85 |
17.75-18.35 |
18.25-18.85 |
|
硬度 (HRC) Max |
32 |
33 |
34 |
35 |
|
极限抗拉强度 |
ksi |
110 |
110 |
105 |
100 |
Mpa |
758 |
758 |
724 |
689 |
|
屈服强度 at 0.2% off-set |
ksi |
75 |
75 |
75 |
75 |
Mpa |
517 |
517 |
517 |
517 |
|
延伸率, % |
5 |
5 |
3 |
2 |