|
Grade |
Mil-T-21014 |
|
Class1 |
Class 1 |
Class 2 |
Class 3 |
Class 3 |
Class 4 |
|
Composition |
90%W, |
90%W, |
92.5%W, |
95%W, |
95%W, |
97%W, |
|
6%Ni4%Cu |
7%Ni3%Fe |
5.25%Ni |
3.5%Ni |
3.5%Ni |
2.1%Ni |
|
|
|
2.25%Fe |
1.5% Cu |
1.5%Fe |
0.9%Fe |
|
Density (gm/cc;lbs/in3) |
17;0.614 |
17;0.614 |
17.5;0.632 |
18;0.65 |
18;0.65 |
18.5;0.668 |
|
Hardness (RC) |
24 |
25 |
26 |
27 |
27 |
28 |
|
Ultimate Tensile Strength (PSI) |
110,000 |
120,000 |
114,000 |
110,000 |
120,000 |
123,000 |
|
Yield Strength, .2% Offset (PSI) |
80,000 |
88,000 |
84,000 |
85,000 |
90,000 |
85,000 |
|
Elongation (% in 1″) |
6 |
10 |
7 |
7 |
7 |
5 |
|
Proportional Elastic Limit (PSI) |
45,000 |
52,000 |
46,000 |
45,000 |
44,000 |
45,000 |
|
Magnetic Properties |
Nil |
Slightly |
Slightly |
Nil |
Slightly |
Slightly |
|
Magnetic |
Magnetic |
Magnetic |
Magnetic |
|
ASTM-B-459-67 |
Grade1 |
Grade1 |
Grade2 |
Grade3 |
Grade3 |
Grade4 |
|
TypeⅡ&&Ⅲ |
TypeⅡ&&Ⅲ |
TypeⅡ&&Ⅲ |
TypeⅡ&&Ⅲ |
TypeⅡ&&Ⅲ |
TypeⅡ&&Ⅲ |
