GB/T 22652-2019 Overlaying-welding procedure qualification for valves sealing face

GB/T 22652-2008 Overlaying-welding procedure qualification for valves sealing face

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 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 984-2001 Hardfacing electrodes for shielded metal arc welding GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 2054-2005 Nickel and nickel alloy sheets GB/T 2054-2013 Nickel and nickel alloy plate and sheet GB/T 2054-2023 Nickel and nickel alloy plate and sheet GB/T 3077-1999 Alloy structure steels GB/T 3077-2015 Alloy structure steels 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/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 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 4435-2010 Nickel and nickel alloys bars GB/T 4435-1984 Nickel and nickel-copper alloys round bars GB/T 11352-1989 Carbon steel castings for general engineering purposes GB/T 11352-2009 Carbon steel castings for general engineering purpose 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 13296-1991 Seamless stainless steel tubes for boiler and heat exchanger GB 13296-2007 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13296-2013 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13296-2023 Seamless stainless steel tubes for boiler and heat exchanger GB/T 15008-2008 Corrosion-resisting alloy bars GB/T 15008-2020 Corrosion-resistant alloy bars GB/T 15008-2025 Corrosion resistant alloy bars GB/T 16253-1996 Steel castings for pressure purposes GB/T 16253-2019 Steel castings for pressure purposes GB/T 21832-2008 Austenitic-Ferritic (duplex) grade stainless steel welded tubes and pipes GB/T 21832.1-2018 Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger GB/T 21832.2-2018 Welded austenitic-ferritic(duplex)stainless steel tubes and pipes—Part 2:Pipes for fluid transport GB/T 21832.3-2024 Welded austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 3:Pipes for oil and gas transmission GB/T 21833-2008 Austenitic-Ferritic (duplex) grade stainless steel seamless tubes and pipes GB/T 21833.1-2020 Seamless austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger GB/T 21833.2-2020 Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2:Pipes for fluid service GB/T 21833.3-2024 Seamless austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 3:Pipes for oil and gas transmission GB/T 24511-2009 Stainless steel plate,sheet and strip for pressure equipments GB/T 24511-2017 Stainless steel and heat resisting steel plate,sheet and strip forpressure equipments JB/T 4743 JB/T 5263-2005 Specification for steel casting for power station valves JB/T 6438-2011 The technical requirements for plasma arc welding of valve seals JB/T 6438-1992 JB/T 6438-1992 Sealing surface plasma arc welding technical requirements for 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 7744-2011 The alloy powder used for plasma arc welding of valve seals JB/T 7744-1995 The alloy powder used for plasma arc welding of valve seals JB/T 9625-1999 Technical Specification for Pressure Cast Steel Parts on Boiler Pipeline Fittings JB/T 10087-2016 The technical specification for pressure cast steel parts of a steam turbine JB/T 10087-2001 Turbine Pressure Cast Steel Component Technical Specification JB/T 12000-2014 Technical Specification for Pressure Ductile Steel Fittings Used in Coal-fired Supercritical and Ultra-supercritical Parameters Valves 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 NB/T 47013.5-2015 Non-destructive testing of pressure equipment - Part 5: Penetrant testing NB/T 47044-2014 power plant valve NB/T 47046-2015 Nickel and nickel alloy plates used in pressure equipment YB/T 5264 YB/T 5353-2012 Corrosion-resistant alloy hot-rolled plate YB/T 5354-2012 Corrosion-resistant alloy cold-rolled plate