GB/T 29528-2013 Specification of copper alloy forgings for valves

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 231.1-2002 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2009 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 231.1-2018 Metallic materials—Brinell hardness test—Part 1:Test method GB/T 5121.1-1996 Copper and copper alloys—Determination of copper content GB/T 5121.1-2008 Methods for chemical analysis of copper and copper alloys—Part 1:Determination of copper 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 5121.5-1996 Copper and copper alloys—Determination of nickel content GB/T 5121.5-2008 Methods for chemical analysis of copper and copper alloys—Part 5:Determination of nickel content GB/T 5121.7-1996 Copper and copper alloys—Determination of arsenic content GB/T 5121.7-2008 Methods for chemical analysis of copper and copper alloys—Part 7:Determination of arsenic content GB/T 5121.9-1996 Copper and copper alloys—Determination of iron content GB/T 5121.9-2008 Methods for chemical analysis of copper and copper alloys—Part 9:Determination of iron content 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 5121.11-1996 Copper and copper alloys—Determination of zinc content GB/T 5121.11-2008 Methods for chemical analysis of copper and copper alloys—Part 11:Determination of zinc content GB/T 5121.13-1996 Copper and copper alloys—Determination of aluminium content GB/T 5121.13-2008 Methods for chemical analysis of copper and copper alloys—Part 13:Determination of aluminium content GB/T 5121.14-1996 Copper and copper alloys—Determination of manganese content GB/T 5121.14-2008 Methods for chemical analysis of copper and copper alloys—Part 14:Determination of manganese content GB/T 10119-1988 Copper-zinc alloys—Determination of dezincification corrosion resistance GB/T 10119-2008 Determination of dezincification corrosion resistance of brass GB/T 10567.2-1997 Wrought copper and copper alloys—Detection of residual stress—Ammonia test GB/T 10567.2-2007 Wrought copper and copper alloys—Detection of residual stress—Ammonia test GB/T 13927-1992 Pressure testing for general purpose valves GB/T 13927-2008 Industrial valves—Pressure testing GB/T 13927-2022 Industrial valves—Pressure testing GB/T 20078-2006 Copper and copper alloys—Forgings GB/T 20078-2023 Copper and copper alloys—Forgings