92.5W-5.25Ni-2.25Fe tungsten alloy block can reduce risk and increase performance. The health risks associated with lead exposure are significant. It provides a safer alternative to lead block, and their higher density also enables them to hold their shape better, even under extreme conditions.
The properties of 92.5W-5.25Ni-2.25Fe tungsten alloy block 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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