Specification :

detailed features:
1. tin copper has extremely high solderability.
2. it can still keep good solderability for long-term storage.
3. surface smooth, bright and moist.
4. stable and reliable performance, high quality
5.surface brightness even, without off color, tin, shading, .
6. line diameter torelence is ± 0.01 mm allows
7. tin plating thickness: thin, 1.5-2.5 mm: In plating: 2.5-4.0 mm, 4 mm thick coating: above
8. elong tensile: e 15% ( or according to customer' s request)
9. repeatedly bend: 4 times
10. tensile strength: e 245KG/ mm2

Shape materials: Round
Elongation: > 16%
Diameter: Oxygen-free copper wire: 0.10-8.00mm

We also customize according to customer demand between 0.1-0.5mm in all specifications, we are a reliable supplier, welcome to visit our company guidance

1.Copper Wire GB/ T3953-83
2.Tin According to GB728, Tin lever is above 2
3.Tin Plated Copper Wire GB4910-1985
Resistivity
Normal Diameter mm Resistivity © • mm2/ m, at 20 Not Exceed
TXR THRH
0.050dd0.09 0.01851 0.01851
0.090dd0.25 0.01802 0.01831
0.250dd0.50 0.01770 0.01793
0.050dd4.00 0.01760 0.01775
Dimension & Tolerance
Normal Diameter mm Permissible Variations mm
0.050dd0.125 + 0.006 -0.003

0.125dd0.400 + 0.010 -0.004

0.400dd4.00 + 2% d -1% d

Machine Capacity
Machine Capacity mm Elongation% above
0.05dd0.09 - 6
0.09dd0.25 12
0.25dd0.50 15
0.50dd2.00 20
2.00dd4.00 25