JG/T 427-2014 Gerneral technical requirements of residential bathroom hardware

GB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on metallic substrates—Rating of test specimens and manufactured articles subjected to corrosion tests GB/T 8013.1-2007 Anodic oxide coatings and organic polymer coatings on aluminium and its alloys—Part 1:Anodic oxide coatings GB/T 1720-2020 Circle-drawing test of coating films GB/T 4957-2003 Non-conductive coatings on non-magnetic basis metals—Measurement of coating thickness-Eddy current 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 5237.1-2004 Wrought aluminium alloy extruded profiles for architecture—Part 1:Untreated profiles GB/T 5237.1-2008 Aluminium alloy extruded profiles for architecture—Part 1:Mill finish profiles GB/T 5237.1-2017 Aluminium alloy extruded profiles for architecture—Part 1:Mill finish profiles GB/T 6462-1986 Metallic and oxide coatings—Measurement of coating thickness—Microscopical method GB/T 6462-2005 Metallic and oxide coatings—Measurement of coating thickness—Microscopical method GB/T 7306.1-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 1:Parallel internal and taper external threads GB/T 7306.2-2000 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads—Part 2:Taper internal and external threads GB/T 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 8014.1-2005 Anodizing of aluminium and its alloys—The measuring method of thickness of anodic oxide coatings—Part 1:The measuring principle GB/T 9969-2008 General principles for preparation of instructions for use of industrial products GB 9969.1-1998 General principles for preparation of instructions for use of industrial products GB/T 10125-1997 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2012 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 10125-2021 Corrosion tests in artificial atmospheres—Salt spray tests GB/T 13452.2-1992 Paints and varnishes—Determination of film thickness GB/T 13452.2-2008 Paints and varnishes—Determination of film thickness GB/T 13818-1992 Zinc die-casting alloys GB/T 13818-2009 Die casting zinc alloys GB/T 13818-2024 Die casting zinc alloys GB/T 16662-1996 Terms of equipments and materials for building water supply and drainage GB/T 16662-2008 Terms of equipments and materials for building water supply and drainage GB/T 20878-2007 Stainless and heat-resisting steels—Designation and chemical composition GB/T 20878-2024 Stainless steels—Designation and chemical composition GB/T 4957-2025 Non-conductive coatings on non-magnetic electrically conductive base metals—Measurement of coating thickness—Amplitude-sensitive eddy-current method GB/T 6462-2025 Metallic and oxide coatings—Measurement of coating thinckness—Microscopical method