Application range

Manufact according to customer’s requests.

Executive standard

Q/QGL3.3-2009

Model Name

序号	项目 item	技术要求 technical requirement
1	铜+银Cu+Ag	≥99.90%
2	化学成分（含银量）Ag	0.0708～0.085%
3	晶粒度Grain size	0.025～0.060mm
4	电阻率Resistivity	≤0.01765Ω.mm2/m
5	屈服强度Tensile strength	207～275N/mm2
6	延伸率Elongation	≥25%
7	硬度Hardness	HRF 75～85
8	侧弯Sickle	≤0.80mm/m
9	扭曲度≤	2mm/m