92.5W-5.25Ni-2.25Fe tungsten alloy plate has the highest melting point of the refractory metals, high density, strong corrosion resistance, and low coefficient of thermal expansion. It is widely used in electronics, lighting, vacuum coating, electric vacuum stove electrode, heat insulation screen.
The properties of 92.5W-5.25Ni-2.25Fe tungsten alloy plate are:
Alloy Type（%）：92.5W、5.25Ni、2.25Fe
MIL-T-21014: Class 1
SAE-AMS-T-21014: Class 2
AMS 7725 C: NIL
ASTM B777-87: Class 2
Density: 17.5 g/cc and 0.632 lbs/ in3
Hardness Rockwell: 26 C
Ultimate Tensile Strength Min: 114,000 ksi
Yield Strength Min (0.2% offset): 84,000 ksi
Elongation: 7% in 1"
Proportional Elastic Limit: 46,000PSI
Modules of Elasticity: 47 x 106 PSI
Coefficient of Thermal Expansion: 4.62 X 10-6/°C (20~400°C)
Thermal Conductivity: 0.2 CGS Units
Electrical Conductivity: 13 % IACS
Magnetic Properties: Slightly Magnetic
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