GB/T 26002-2010 Stainless steel pliable corrugated tubing and fittings used in gas piping systems

GB/T 26002-2025 Stainless steel pliable corrugated tubing and fittings used in gas piping systems

SY/T 0413 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 699-1999 Quality carbon structural steels GB/T 699-2015 Quality carbon structure steels GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 2828.1-2003 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 2828.1-2012 Sampling procedures for inspection by attributes—Part 1:Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection GB/T 3280-1992 Cold rolled stainless steel sheets and plates GB/T 3280-2007 Cold rolled stainless steel plate, sheet and strip GB/T 3280-2015 Cold rolled stainless steel plate, sheet and strip GB/T 4226-1984 Cold finished stainless steel bars GB/T 4226-2009 Cold finished stainless steel bar 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 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 8815-2002 Plasticized polyvinyl chloride (PVC) compounds for wire and cable GB/T 8815-2008 Plasticized polyvinyl chloride(PVC)compounds for wire and cable 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 16411-1996 Universal test methods of gas burning appliances for domestic use GB/T 16411-2008 Universal test methods of gas burning appliances for domestic use GB/T 16411-2023 Universal test methods of gas burning appliances for domestic use GB/T 20878-2007 Stainless and heat-resisting steels—Designation and chemical composition GB/T 20878-2024 Stainless steels—Designation and chemical composition SY/T 0414-2017 SY/T 0414-1998 Polyethylene Adhesive Band Coating Technology Standard for Steel Pipe Corrosion Protection SY/T 0414-2007 Syt 0414-2007 Corrosion protection of polyethylene adhesive tape on steel pipeline SY/T 0414-2007 Steel pipeline coatings technical standard HG/T 3089-2001 Rubber mixture of O-ring seals for fuel GB/T 191-2025 Graphical symbols marking for handling and storage of packages