GB/T 12971.1-2023 Trolley and contact wires for electric traction—Part 1:Copper and copper-alloy contact wires

GB/T 12971.2-2023 Trolley and contact wires for electric traction—Part 2:Aluminium and steel composite contact wires

GB/T 12971.1-2008 Trolley and contact wires for electric traction—Part 1:Copper and copper-alloy contact wires

GB/T 467-2010 Copper cathode GB/T 3048.2-1994 Test methods for determining electrical properties of electric cables and wires Measurement of resistivity of metallic conductive materials GB/T 3048.2-2007 Test methods for electrical properties of electric cables and wires—Part 2:Test of electrical resistivity of metallic materials GB/T 4909.2-1985 Test methods for bare wires—Measurement of dimensions GB/T 4909.2-2009 Test methods for bare wires—Part 2:Measurement of dimensions GB/T 4909.3-1985 Test methods for bare wires—Tensile test GB/T 4909.3-2009 Test methods for bare wires—Part 3:Tensile test GB/T 4909.4-1985 Test methods for bare wires—Torsion test GB/T 4909.4-2009 Test methods for bare wires—Part 4:Torsion test GB/T 4909.5-1985 Test methods for bare wires—Bend test—Reverse bend test GB/T 4909.5-2009 Test methods for bare wires—Part 5:Bend test—Reverse bend test GB/T 4909.7-1985 Test methods for bare wires—Mandrel winding test GB/T 4909.7-2009 Test methods for bare wires—Part 7:Mandrel winding test GB/T 5121.2-1996 Copper and copper alloys—Determination of phosphorus content GB/T 5121.2-2008 Methods for chemical analysis of copper and copper alloys—Part 2:Determination of phosphorus content GB/T 5121.3-1996 Copper and copper alloys—Determination of lead content GB/T 5121.3-2008 Methods for chemical analysis of copper and copper alloys—Part 3:Determination of lead content GB/T 5121.6-1996 Copper and copperr alloys—Determination of bismuth content GB/T 5121.6-2008 Methods for chemical analysis of copper and copper alloys—Part 6:Determination of bismuth content GB/T 5121.8-1996 Copper and copper alloys—Determination of oxygen content GB/T 5121.8-2008 Methods for chemical analysis of copper and copper alloys—Part 8:Determination of oxygen content GB/T 5121.8-2024 Methods for chemical analysis of copper and copper alloys—Part 8:Determination of oxygen,nitrogen and hydrogen contents GB/T 5121.10-1996 Copper and copper alloys—Determination of tin content GB/T 5121.10-2008 Methods for chemical analysis of copper and copper alloys—Part 10:Determination of tin content GB/T 5121.16-1996 Copper and copper alloys—Determination of chromium content GB/T 5121.16-2008 Methods for chemical analysis of copper and copper alloys—Part 16:Determination of chromium content GB/T 5121.18-1996 Copper and copper alloys—Determination of magnesium content GB/T 5121.18-2008 Methods for chemical analysis of copper and copper alloys—Part 18:Determination of magnesium content GB/T 5121.19-1996 Copper and copper alloys—Determination of silver content GB/T 5121.19-2008 Methods for chemical analysis of copper and copper alloys—Part 19:Determination of silver content GB/T 5121.20-1996 Copper and copper alloys—Determination of zirconium content GB/T 5121.20-2008 Methods for chemical analysis of copper and copper alloys—Part 20:Determination of zirconium content GB/T 5121.27-2008 Methods for chemical analysis of copper and copper alloys—Part 27:The inductively coupled plasma atomic emission spectromertric method YS/T 347-2004 Copper and copper alloys—Estimation of average grain size JB/T 8137.2-1995 JB/T 8137.2-1995 wire and cable delivery disk technical requirements JB/T 8137.2-2013 Wiring Cable Delivery Tray - Part 2: Full Wooden Construction Delivery Tray (English) JB/T 8137.4-2013 Electric Cable and Wire Delivery Tray - Part 4: Steel Composite Structure Delivery Tray TB/T 2074-2020 The testing methods for components of electrified railway contact network YS/T 347-2020 The method for measuring the average grain size of copper and copper alloys JB/T 8137.2-1999 Wiring Cable Delivery Tray - Part 2: Full Wooden Construction Delivery Tray JB/T 8137.4-1999 Wiring Harness Delivery Vessel - Part 4: Steel and Composite Structure Delivery Vessels