90W-7.1Ni-2.9Fe tungsten alloy tube has high melting point, good toughness, high temperature vapor pressure, good conductivity low electron escape work and good corrosion resistance. It can be widely used in the manufacture of thermocouple protection tube, induction heating body, high temperature furnace container, aircraft engine parts, aerospace structural parts.
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The properties of 90W-7.1Ni-2.9Fe tungsten alloy tube 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
