97W-2.1Ni-0.9Fe tungsten alloy tube can maintain high hardness, good wear resistance, high strength and high toughness at high temperature. It can be used as heat-resistant sleeve of infrared laser, plasma melting device, special gun pipe, ultra-high temperature parts, ultra-high vacuum parts, rocket nozzle, high-temperature heater, atomic furnace materials.
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The properties of 97W-2.1Ni-0.9Fe tungsten alloy tube are:
Alloy Type（%）：97W、2.1Ni、0.9Fe
MIL-T-21014: Class 4
SAE-AMS-T-21014: Class 4
AMS 7725 C: NIL
ASTM B777-87: Class 4
Density: 18.5 g/cc or 0.668 lbs/ in3
Hardness Rockwell: 28 C
Ultimate Tensile Strength Min: 123,000 ksi
Yield Strength Min (0.2% offset): 85,000 ksi
Elongation: 5 % in 1"
Proportional Elastic Limit: 45,000 psi
Modules of Elasticity: 53 x 106 psi
Coefficient of Thermal Expansion: 4.5 x 10-6/°C (20~400°C)
Thermal Conductivity: 0.3 CGS Units
Electrical Conductivity: 17 % IACS
Magnetic Properties: Slightly Magnetic
