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6.0mm to 10.0mm copper wire billets for electricians should be subjected to breaking tests. The torsion performance of copper billets of different brands is different. According to the requirements of GB/T3952-2016, hot copper billets must be subjected to 25 positive rotation tests and then reverse tests. The number of turns to fracture is not less than required.
Tester Service Center；Tester Fittings Supply Center；Design and Manufacture Center；Special Test Accessories；Shandong Society For Measurement；Jinan HengRuiJin Testing Machine Co.,Ltd.
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