GB/T 33142-2016 Copper clad aluminum billets manufactured by continuous casting

GB/T 32186-2015 Test methods of cleanliness of aluminium and aluminium alloy ingots GB/T 1423-1996 Method of measurement of density for precious metals and their alloys GB/T 3190-1996 Wrought aluminium and aluminium alloys—Chemical composition limits GB/T 3190-2008 Wrought aluminium and aluminium alloy——Chemical composition GB/T 3190-2020 Chemical composition of wrought aluminium and aluminium alloys GB/T 3199-1996 Wrought aluminium and aluminium alloy products—Packing, marking, transporting and storing GB/T 3199-2007 Wrought aluminium and aluminium alloy products—Packing, marking, transporting and storing GB/T 3246.1-2000 Wrought aluminium and aluminium alloys products inspection method for microstructure GB/T 3246.1-2012 Inspection method for structure of wrought aluminum and aluminum alloy products—Part 1:Inspection method for microstructure GB/T 3246.1-2024 Inspection method for structure of wrought aluminium and aluminium alloy products—Part 1:Inspection method for microstructure GB/T 3246.2-2000 Wrought aluminium and aluminium alloys products inspection method for macrostructure GB/T 3246.2-2012 Inspection method for structure of wrought aluminum and aluminum alloy products—Part 2:Inspection method for macrostructure GB/T 5231-2001 Wrought copper and copper alloys chemical composition limits and forms of wrought products GB/T 5231-2012 Designation and chemical composition of wrought copper and copper alloys GB/T 5231-2022 Designation and chemical composition of wrought copper and copper alloys GB/T 7999-2000 Standard method for direct reading spectromertric analysis of aluminum and its alloys GB/T 7999-2007 Optical emission spectrometric analysis method of aluminum and aluminum alloys GB/T 7999-2015 Optical emission spectrometric analysis method of aluminum and aluminum alloys GB/T 8005.1-2008 Aluminium and aluminium alloys—Terms and definitions—Part 1:Product and method of processing and treatment GB/T 8005.1-2019 Aluminium and aluminium alloy terms and definitions—Part 1:Product and method of processing and treatment GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 11086-1989 Copper and copper alloys—Terms and definitions GB/T 11086-2013 Copper and copper alloys—Terms and definitions GB/T 17432-1998 Methods of sampling for analysing the chemical composition of wrought aluminum and aluminum alloy GB/T 17432-2012 Methods for sampling for analyzing the chemical composition of wrought aluminum and aluminum alloys GB/T 22638.1-2008 Test methods for aluminium and aluminium alloy foils—Part 1:Determination of thickness by gravimetric method GB/T 22638.1-2016 Test methods for aluminium and aluminium alloy foils—Part 1:Determination of thickness GB/T 30586-2014 Copper clad aluminum flat bars and wires manufactured by continuous-casting and rolling GB/T 30586-2022 Copper clad aluminium flat bars YS/T 439-2001 Aluminum and aluminum alloys extruded flat bars YS/T 439-2012 Wrought aluminium and aluminium alloy extruded rectangular bars,plates and sheets YS/T 449-2002 Copper and copper alloys inspection method of microstructure for cast and wrought products YS/T 482-2005 Methods for analysis of copper and copper alloys—The atomic emission spectrometry YS/T 482-2022 Copper and Copper Alloy Analysis Methods: Spark Discharge Atomic Emission Spectrometry GB/T 3246.2-2026 Inspection method for structure of wrought aluminium and aluminium alloy products—Part 2:Inspection method for macrostructure