Pure Tungsten Disc

Pure Tungsten Disc

Atomic Volume: 9.53 W/D
Boiling Point: 5900°C
Covalent Radius: 1.30 Angstroms
Crystal Structure: Cubic, body centered
Density: 19.3 g/cm³
Electrical Resistivity (25°C):5.6 μΩ-cm
Electronegativity: 1.7Pauling's
First Ionization Energy: 184K-cal/g-mole
Heat of Fusion: 8.1 k-cal/g-atom
Heat of Vaporization: 197K-cal/g-atom
Melting Point: 3410°C
Specific Heat (25°C): 0.032 cal/g°C
Tensile Strength: 15000psi
Thermal Conductivity: 0.40 cal/cm²/s/°C
Thermal Expansion: 4.6ppm/°C

1.Products Information

Standard	Polished 99.95% Pure round Tungsten disc
Brand	W1,W2,
Purity	99.95%  tungsten carbide bar
Size	Φ(15-500)×Thickness10-150m
Density	19.3g/cm3
Melting Point	3410 Celcius
Boiling Point	5927 Celcius
Surface	Polishing,black and sintering

 

2.Chemical content

Grade	W	Mo	Al	Ca	Fe	Mg	Ni	Si	C	N	O
W1	≥99.95	≤0.010	≤0.002	≤0.003	≤0.005	≤0.002	≤0.003	≤0.003	≤0.005	≤0.003	≤0.005
W2	≥99.92	≤0.010	≤0.004	≤0.003	≤0.005	≤0.002	≤0.003	≤0.005	≤0.008	≤0.003	≤0.008