Counterweight

Specification

Product Name	tungsten weight
Material	Pure tungsten
Standard	ASTM B760
Processing	Sintering, Rolling, Forging, machining
Density	19.2 g/cm3
Dimension Range	Minimum size: thickness:3mm width:3mm length:3mm Maximum size:customized

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1.High density
2.High wear-resistant
3.High thermal conductivity with low thermal expansion coefficient
4.High vibration-damping capacity and high Young's modulus
5.High oxidation resistance and corrosion resistance

Atomic number	74
CAS number	7440-33-7
Atomic mass	183.84 [g/mol]
Melting point	3420 °C
Boiling point	5555 °C
Density at 20 °C	19.25 [g/cm³]
Crystal structure	Body-centered cubic
Coefficient of linear thermal expansion at 20 °C	4.4 × 10^-6 [m/(mK)]
Thermal conductivity at 20 °C	164 [W/(mK)]
Specific heat at 20 °C	0.13 [J/(gK)]
Electrical conductivity at 20 °C	18.2 × 10⁶ [S/m]
Specific electrical resistance at 20 °C	0.055 [(Ωmm²)/m]