GB/T 14955-1994 Bronze wires

GB 3122-1982 GB 3123-1982 GB 3124-1982

GB/T 21652-2008 Copper and copper alloy wire

GB 5233 GB 6397 GB/T 6520 GB/T 8002 YB 598 GB/T 228-2002 Metallic materials—Tensile testing at ambient temperature GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.2-2015 Metallic materials—Tensile testing—Part 2:Method of test at elevated temperature GB/T 228.3-2019 Metallic materials—Tensile testing—Part 3:Method of test at low temperature GB/T 228.4-2019 Metallic materials—Tensile testing—Part 4:Method of test in liquid helium GB/T 238-2002 Metallic materials—Wire—Reverse bend test GB/T 238-2013 Metallic materials—Wire—Reverse bend test GB 2976-1988 Metallic materials—Wire—Wrapping test GB/T 2976-2004 Metallic materials—Wire—Wrapping test GB/T 2976-2020 Metallic materials—Wire—Wrapping test GB/T 3248-1982 Determining method of resistivity of copper, nickel and their alloys GB/T 8888-2003 Wrought heavy non-ferrous metal products-Packing,marking,transporting and storing GB/T 8888-2014 Wrough heavy non-ferrous metal products-packing,marking,transportation,storing and cetificate of quality GB/T 10573-1989 Tensile testing method for fine wire of non-ferrous metals GB/T 10573-2020 Tensile testing method for fine wire of nonferrous metals