Tantalum Wire

Chemical composition:

Brand name Ta1 Ta2(doped)
ChemicalCompositions
(%)
Ta≥ 99.95 99.95
Impurities O 0.0200 0.0200
C 0.0050 0.0050
N 0.0040 0.0040
H 0.0015 0.0015
Fe 0.0045 0.0045
Ni 0.0025 0.0025
Cr 0.0025 0.0025
Nb 0.0050 0.0050
Mo 0.0020 0.0020
W 0.0020 0.0020
Ti 0.0005 0.0005
Sn 0.0010 0.0010
Ca 0.0010 0.0010
Na 0.0020 0.0020
Al 0.0005 0.0005
Si 0.0030 0.0030

Surface: Smooth surface, clean, no oil, cracks and burrs, no tangling, knotting, crossover, etc.
Size and tolerance:

Diameter (mm) Tolerance (mm)
0.06 0.10 .011 .015 ±0.005
0.17 0.19 0.20 0.24 0.25 0.29 0.30 ±0.006
0.33 0.34 0.35 0.381 0.4 0.47 0.50 ±0.007
0.60 0.80 ±0.01

Mechanical properties:

Type Tensile strength Rm/(N/mm2) ElongationA200mm/%
Soft(M) 300~750 10~30
Semi-hard(Y2 750~1250 1~6
Hard(Y) >1250 1~5

Antioxidant brittleness:

Brand name D/mm Anti-oxidative brittle bending times, not less than
Ta1 0.10~0.40 3
>0.40 4
Ta2(doped) 0.10~0.40 4
>0.40 6

Straightness: Arc degree is greater than or equal to 800mm diameter. Lift height is less than 20mm.