Description

BEAD  WIRE

Reference

GB/T14450- 2008

Diameter

Φ0.78mm

Item

Standard

Result

Diameter(mm)

0.78±0.02

0.79

Surface Quality

Coating Smooth and uniform

conform

Straightness

The property of a 3 meter long wire to be straightness at a 600mm-distance of between Straight parallel lines

450

Tensile(Mpa)

≥1850

2156

Elongation(%)

≥5

8.8

Torsion(360°/200d)

≥50

59

Cu (%)

≥97

99.3

Yield Rate %

＞80

90.1

Sn (%)

0.3-3.0

0.70

Adhesion

≥685N/50mm

948N/50mm

Assay of chemical contents

C

Mn

Si

P

S

0.68-0.71

0.5-0.60

0.17-0.28

0.006-0.018

0.005-0.019