GB/T 8320-2003
|
Chemical Component (%)
|
Density
(g/cm3)
|
Hardness
(HB)
|
Resistivity
(μΩ·cm)
|
Conductivity
( %)
|
CompressiveStrength
(Mpa)
|
Grade
|
W
|
Cu
|
Others
|
CuW70
|
70±2
|
30±2
|
≤0.5
|
≥13.80
|
≥175
|
≤4.1
|
≥42
|
790
|
CuW75
|
75±2
|
25±2
|
≤0.5
|
≥14.50
|
≥195
|
≤4.5
|
≥38
|
885
|
CuW80
|
80±2
|
20±2
|
≤0.5
|
≥15.15
|
≥220
|
≤5.0
|
≥34
|
980
|
CuW85
|
85±2
|
15±2
|
≤0.5
|
≥15.90
|
≥240
|
≤5.7
|
≥30
|
1080
|
CuW90
|
90±2
|
10±2
|
≤0.5
|
≥16.75
|
≥260
|
≤6.5
|
≥27
|
1160
|
|