GB/T 13402-2019 Large diameter steel pipe flanges

GB/T 13402-2010 Large diameter steel pipe flanges

GB/T 152.4 GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 711-1988 Hot-rolled quality carbon structural steel plates and wide strips GB/T 711-2008 Hot-rolled quality carbon structural steel plates、sheets and wide strips GB/T 711-2017 Hot-rolled quality carbon structural steel plates sheets and strips GB 713-1997 Steel plates for boilers GB 713-2008 Steel plates for boilers and pressure vessels GB/T 713-2014 Steel plates for boilers and pressure vessels GB/T 713.1-2023 Steel plate,sheet and strip for pressure equipments—Part 1:General requirements GB/T 713.2-2023 Steel plate,sheet and strip for pressure equipments—Part 2:Non-alloy and alloy steel with specified temperature properties GB/T 713.3-2023 Steel plate,sheet and strip for pressure equipments—Part 3:Low alloy steel with specified low temperature properties GB/T 713.4-2023 Steel plate,sheet and strip for pressure equipments—Part 4:Nickel-alloy steels with specified low temperature properties GB/T 713.5-2023 Steel plate,sheet and strip for pressure equipments—Part 5:High manganese steel with specified low temperature properties GB/T 713.6-2023 Steel plate, sheet and strip for pressure equipments—Part 6:Quenched and tempered high strength steel GB/T 713.7-2023 Steel plate,sheet and strip for pressure equipments—Part 7:Stainless steel and heat resisting steel GB/T 713.8-2025 Steel plate,sheet and strip for pressure equipments—Part 8:Rolled homogeneous and heterogeneous clad steel plate GB/T 1047-1995 Nominal size for pipe components GB/T 1047-2005 Pipework components—Definition and selection of DN (nominal size) GB/T 1047-2019 Pipework components—Definition and selection of nominal size GB/T 1048-1990 Nominal pressure for pipe components GB/T 1048-2005 Pipework components—Definition and selection of PN GB/T 1048-2019 Pipework components—Definition and selection of nominal pressure GB/T 1804-2000 General tolerances for linear and angular dimensions without individual tolerance indications GB/T 3274-1988 Carbon structural and low alloy steel rolled plates and strips GB/T 3274-2007 Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels GB/T 3274-2017 Hot-rolled plates,sheets and strips of carbon structural steels and high strength low alloy structural steels GB 3531-1996 Low alloy steel plates for low temperature pressure vessels GB 3531-2008 Low alloy steel plates for low temperature pressure vessels GB/T 3531-2014 Steel plates for low temperature pressure vessels GB/T 4237-1992 Hot rolled stainless steel sheets and plates GB/T 4237-2007 Hot rolled stainless steel plate, sheet and strip GB/T 4237-2015 Hot rolled stainless steel plate,sheet and strip GB/T 9125-2003 Fasteners for pipe flange joints GB/T 9125-2010 Fasteners for pipe flange joints GB/T 9125.1-2020 Fasteners for steel pipe flange joints—Part 1:PN designated GB/T 9125.2-2020 Fasteners for steel pipe flange joints—Part 2:Class designated GB/T 12228-1989 General purpose industrial valves—Specification of carbon steel forgings GB/T 12228-2006 General purpose industrial valves—Specification of carbon steel forgings GB/T 12228-2025 General purpose industrial valves—Technical specification for carbon steel forgings GB/T 12229-1989 General purpose industrial valves—Specification of carbon steel castings GB/T 12229-2005 General purpose industrial valves—Specification of carbon steel castings GB/T 12229-2025 General purpose industrial valves—Technical specification for carbon steel castings GB/T 12230-1989 General purpose industrial valves—Specification of austenitic steel castings GB/T 12230-2005 General purpose industrial valves—Specification of stainless steel castings GB/T 12230-2023 General purpose industrial valves—Specification of stainless steel castings GB/T 16253-1996 Steel castings for pressure purposes GB/T 16253-2019 Steel castings for pressure purposes JB/T 5263-2005 Specification for steel casting for power station valves JB/T 7248-2008 Low-temperature Steel Casting for Valve Components Technical Specification JB/T 7248-2024 The technical specifications for low-temperature steel castings used in valves JB/T 7248-1994 The technical specification for low-temperature steel castings used in valves JB/T 9625-1999 Technical Specification for Pressure Cast Steel Parts on Boiler Pipeline Fittings NB/T 47008-2017 Carbon steel and alloy steel forgings used in pressure equipment NB/T 47008-2010 Carbon and alloy steel forgings for pressure equipments NB/T 47009-2017 Low-temperature pressure-bearing equipment alloy steel for forging NB/T 47009-2010 Low-alloy steel forgings for low temperature pressure equipments NB/T 47010-2017 Stainless steel and heat-resistant steel forgings used in pressure equipment NB/T 47010-2010 Stainless and heat-resisting steel forgings for pressure equipments

ISO 7005-1:2011