This standard specifies the type classification, technical requirements, test methods and inspection rules of copper and copper alloy coated electrodes for manual arc welding. This standard applies to copper and copper alloy coated electrodes for manual arc welding with a diameter of 2.5 to 6.0 mm.
GB/T 3670-1995 history
2021GB/T 3670-2021 Covered electordes for manual metal arc welding of copper and copper alloys
1995GB/T 3670-1995 Coated electrodes for copper and copper alloys