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Material | Graphite | |
Size | according to costomer's requirement | |
Service Life | 50-100times | |
Characters | easy to use and safe | |
Negotiable Price According to different material/size and and Purchase quantity | ||
Main content and ratio of welding powder | ||
Element | Ratio Wt/% | |
Cu | ≥76.0 | |
Al | ≤2.0 | |
Fe | ≤10.0 | |
Properties of joint | ||
Properties | Technology index | |
Conductivity | Resistance of conductor (Including joint) should be less than that of same length base metal | |
Strength | Joint strength should not less than 95% of low limit of raw material’s strength (CCS material is regarded as pure copper ) | |
High melting point | ≥1083℃ | |
Surface | No air hole,residue and crack | |
Section quality | The max size anywhither should be higher than 1/3 of the thickness(or 1/4 of diameter) ,but should be less than 3mm | |
Resistance/μΩ | Test location |
113 | Distance between tested location:15cm |
Strength Rm/Mpa | Remark |
340 | No crack and base metal off |






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