90W-6Ni-4Cu tungsten alloy block provides a unique combination of density, mechanical strength, machinability, corrosion resistance, and economy. It is used, for example, in the aviation and aerospace industries, medical technology, the automotive and foundry industries.
The properties of 90W-6Ni-4Cu tungsten alloy block are:
Alloy Type：W 90%、Ni 6%、Cu 4%
MIL-T-21014: Class 1
SAE-AMS-T-21014: Class 1
AMS 7725 C: 7725 C
ASTM B777-87: Class 1
Density: 17.1 g/cc and 0.614 lbs/ in3
Hardness Rockwell: 24 C
Ultimate Tensile Strength Min: 110,000 ksi
Yield Strength Min (0.2% offset): 80,000 ksi
Elongation: 6 % in 1"
Proportional Elastic Limit: 45,000PSI
Modules of Elasticity: 40 x 106 PSI
Coefficient of Thermal Expansion: 5.4 X 10-6/°C (20~400°C)
Thermal Conductivity: 0.23 CGS Units
Electrical Conductivity: 14 % IACS
Magnetic Properties: NIL
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