95W-3.5Ni-1.5Cu tungsten alloy tube has good radiation shielding effect and good corrosion resistance. It is non-toxic environmental protection, which will not harm to health and not pollute the environment, so it can be used in medical screening needle.
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The properties of 95W-3.5Ni-1.5Cu tungsten alloy tube are:
Alloy Type（%）：95W、3.5Ni、1.5Cu
MIL-T-21014: Class 3
SAE-AMS-T-21014: Class 3
AMS 7725 C: NIL
ASTM B777-87: Class 3
Density: 18 g/cc and 0.65 lbs/ in3
Hardness Rockwell: 27 C
Ultimate Tensile Strength Min: 110,000 ksi
Yield Strength Min (0.2% offset): 85,000 ksi
Elongation: 7 % in 1"
Proportional Elastic Limit: 45,000PSI
Modules of Elasticity: 45 x 106 PSI
Coefficient of Thermal Expansion: 4.43 x 10-6/°C (20~400°C)
Thermal Conductivity: 0.33 CGS Units
Electrical Conductivity: 16 % IACS
Magnetic Properties: NIL
