Heavy tungsten alloy
2 year ago
GRADE
|
Class1
|
Class1
|
Class2
|
Class3
|
Class3
|
Class4
|
Material
|
90%W
|
90%W
|
92.5%W
|
95%W
|
95%W
|
97%W
|
6%Ni
|
7%Ni
|
5.25%i
|
3.5%Ni
|
3.5%Ni
|
2.1%Ni
|
|
4%Cu
|
3%Fe
|
2.25%Fe
|
1.5%Fe
|
1.5%Fe
|
0.9%Fe
|
|
Density
|
17gm/cc
|
17gm/cc
|
17.5gm/cc
|
18gm/cc
|
18gm/cc
|
18.5gm/cc
|
Hardness;Rockwell C
|
24
|
25
|
26
|
27
|
27
|
28
|
Ultimate TensileStrength ;PSI
|
94,000
|
125,000
|
114,000
|
115,000
|
125,000
|
128,000
|
Yield Strength,.
2%Offset;PSI
|
90,000
|
88,000
|
90,000
|
85,000
|
90,000
|
85,000
|
Elongation,% in 1''
|
8
|
14
|
12
|
7
|
12
|
10
|
Proportional Elasticity Limit;PSI
|
45,000
|
52,000
|
46,000
|
45,000
|
44,000
|
45,000
|
Modulus of Elasticity;PSI
|
40*10
|
45*10
|
47*10
|
45*10
|
50*10
|
53*10
|
Coefficient of Thermal Expansion
*10E-6/℃(20°-400℃)
|
5.4
|
4.8
|
4.6
|
4.4
|
4.6
|
4.5
|
Zhenan High-density Tungsten Alloy Product Display

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