Description

BEAD  WIRE

Reference

GB/T14450- 2008

Diameter

Φ0.965mm

Item

Standard

Result

Diameter(mm)

0.965±0.02

0.945-0.985

Tensile strength (Mpa)

≥1850

1920-2100

Yield ratio (%)

92.0-95.0

92.7-93.9

Elongation at break (%)

≥5

7.2 -8.8

Torsion (360°/200d)

≥28

30-40

Residual torsion (°/9m)

360

90-120

Bronze coated(g/kg)

0.35-0.65

0.40-0.52

Cu (%)

≥97

98.3-99.2

Sn (%)

0.5-3.0

0.80-1.70

Straightness (mm/3m)

≤400

120-400

Adhesion (N/50mm)

≥932

1255

Surface Quality

Coating Smooth and uniform

conform

Assay of chemical contents

C

Mn

Si

P

S

0.70-0.72

0.50-0.60

0.17-0.30