CJ/T 197-2004 The corrugated hose assemblies of stainless for gas

CJ/T 197-2010 Stainless steel corrugated tubes for the connection of gas appliances

GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 14525-1993 General specification for corrugated metallic hose assemblies GB/T 16411-1996 Universal test methods of gas burning appliances for domestic use GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 196-2003 General purpose metric screw threads—Basic dimensions 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 3089-1982 Thinnest-wall seamless tubes of stainless and acid-resistance steel GB/T 3089-2008 Thinnest-wall seamless tubes of stainless steel GB/T 3089-2020 Seamless ultra-thin wall stainless steel tubes 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 3323-1987 Methods for radiographic inspection and classification of radiographs for fusion welded butt joints in steel GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials GB/T 3323.1-2019 Non-destructive testing of welds—Radiographic testing—Part 1:X-and gamma-ray techniques with film GB/T 3323.2-2019 Non-destructive testing of welds—Radiographic testing—Part 2:X-and gamma-ray techniques with digital detectors GB/T 4226-1984 Cold finished stainless steel bars GB/T 4226-2009 Cold finished stainless steel bar GB/T 4239-1991 Cold rolled stainless steel and heatresisting steel strips GB/T 4423-1992 Wrought copper and copper alloys—Drawn rods and bars GB/T 4423-2007 Copper and copper-alloy cold-drawn rod and bar GB/T 4423-2020 Copper and copper alloy cold-drawn rod and bar 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 12469-1990 Quality assurance of welding—Requirement for fusion welding joint of steel and classification for imperfection GB/T 13527.2-1992 Plasticized polyvinyl chloride tubing for elect rical insulation GB/T 13808-1992 Wrought copper and copper alloys—Extruded rods and bars GB/T 14437-1997 Single sampling procedures and tables by attributes for product quality audit HG/T 3089-2001 Rubber mixture of O-ring seals for fuel QB/T 3826-1999 Corrosion-resistant testing method of the metal deposits and conversion coatings for the light industrial products Neutral salt spraying test(NSS) GB/T 196-2025 General purpose metric screw threads—Basic dimensions GB/T 191-2025 Graphical symbols marking for handling and storage of packages