Hot Sale for Tungsten Copper Alloy Bar - MLa Wire – Forged Tungsten

Chemical composition:

Main and minor components Min.content(%)
Mo balance
La 0.19-0.31%
La2O3 0.22-0.36%
Impurities Max.values (μg/g)
Al 10
Cu 20
Cr 20
Fe 20
K 20
Ni 10
Si 20
W 300
C 30
H 10
N 10
Cd 5
Hg 1
Pb 5

Dimensions and tolerances:

Diameter(mm) φ-Tolerance (%)
0.30-0.79 ±2.0
0.80-1.49 ±1.5
1.50-2.0 ±1.0

Physical and mechanical product properties:

Diameter (mm) Tensile strength (MPa)
0.30-0.34 1080-1170
0.35-0.40 1080-1170
0.41-0.50 1020-1150
0.51-0.60 980-1080
0.61-0.80 970-1050
0.81-1.00 930-1040
1.01-2.00 750

Elongation: ≥10%
Annealing conditions: 15 minutes in hydrogen atmosphere
0.30-0.6mm Oneset temperature for recrystallization approx. 1700 °C
0.61-2.0mm Oneset temperature for recrystallization approx. 1600 °C
100% recrystallized: 2200 °C
Density: 10.2g/cm³
Non destructive tests: 100% Eddy current test, split value max. 0.5 %
Surface: Chemically cleaned, annealed, free from oil residues and other contaminations


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