90W-7.1Ni-2.9Fe tungsten alloy bar has good red hardness, high thermal and electrical conductivity, good thermal conductivity, and resistant to breakage. It is widely used in military industry, aviation, aerospace, machinery, and other fields.
The properties of 90W-7.1Ni-2.9Fe tungsten alloy bar are:
Nominal W Content: 90 wt.%
Nominal Nickel Content: 7.1 wt.%
Nominal Iron Content: 2.9 wt.%
MIL-T-21014: Class 1
SAE-AMS-T-21014: Class 1
AMS 7725 B: 7725 B
ASTM B777-87: Class 1
Minimum Density: 16.85 g/cc
Typical Hardness: 28HRC
Modulus of Elasticity: 45x106 psi
Ultimate Tensile Strength Min.:120ksi
Yield Strength Min (0.2% offset): 80ksi
Minimum Elongation (1” Gauge Length): 10%
Magnetic Properties: Slightly Magnetic
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