
ASTM B777-15 class4 tungsten alloy cylinder has high density, high hardness and great flexibility in the limited space. It is mainly used as the counterweight for controlling and distributing weight, such as the counterweight of speedboat, vehicle, aircraft, helicopter, ship and tank. The properties of ASTM B777-15 class4 tungsten alloy cylinder are: Matrix: 97% W Density: 18.25~18.85g/cc Hardness Rockwell Max: 35HRC Standard Alloy Ultimate Tensile Strength: 100 KSI and 689 MPa Yield Strength (0.2% offset): 75 KSI and 517 MPa…