GB/T 31104-2014 Specification for steel paper machine dryer

GB/T 31104-2024 Steel dryers used in paper machinery

GB/T 5310-2023 Seamless steel tubes and pipes for high pressure boiler GB 6479-2000 Seamless steel tubes for high-pressure for chemical fertilizer equipments GB/T 6479-2013 Seamless steel tubes for high-pressure chemical fertilizer equipments GB/T 7659-1987 Carbon steel castings suitable for welded structure GB/T 7659-2010 Steel casting suitable for welded structure GB/T 7659-2025 Steel castings for welding structures GB/T 8110-1995 Welding wires for gas shielding arc welding of carbon and low alloy steels GB/T 8110-2008 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel GB/T 8110-2020 Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels GB/T 8163-1999 Seamless steel tubes for liquid service GB/T 8163-2008 Seamless steel tubes for liquid service GB/T 8163-2018 Seamless steel pipes for liquid service GB 9948-1988 Seamless steel tubes for petroleum cracking GB 9948-2006 Seamless steel tubes for petroleum cracking GB/T 9948-2013 Seamless steel tubes for petroleum cracking GB/T 9948-2025 Seamless steel tubes and pipes for petrochemical and chemical facilities GB/T 14957-1994 Steel wires for melt welding GB/T 14976-2002 Stainless steel seamless tubes for fluid transport GB/T 14976-2012 Seamless stainless steel pipes for fluid transport GB/T 14976-2025 Seamless stainless steel pipes for fluid transport 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 HG 20531-1993 Cast steel and cast iron containers (with explanatory text) HG/T 20592 HG/T 20615 HG/T 21514-2005 Steel manhole and handhole types and technical conditions HG/T 21514-2014 Technical specification of steel manholes and handholes HG/T 21518-2005 Turned neck flange butt welding flange manhole HG/T 21518-2014 Welding neck flange manholes with hinged cover HG/T 21521-2005 Vertical neck-flange welded manhole with hanger cover HG/T 21521-2014 Welding neck flange manholes with davit to vertical cover HG/T 21523-2005 Horizontal Cover with Nipple Welding Flanged Manhole。 HG/T 21523-2014 Slip on flange manholes with davit to horizontal cover HG/T 21531-2005 Bolt-through welding flange manhole HG/T 21531-2014 Welding neck flange handholes JB/T 4711-2003 Coating and packing for pressure vessels transport JB/T 4730.3-2005 Nondestructive testing of pressure equipments—Part 3:Ultrasonic testing JB/T 4730.4-2005 Nondestructive testing of pressure equipments—Part 4:Magnetic particle testing JB/T 4730.5-2005 Nondestructive testing of pressure equipments—Part 5:Penetrant testing JB/T 4730.6-2005 Nondestructive testing of pressure equipments—Part 6:Eddy current testing JB/T 9168.2-1998 Cutting Machining General Procedure Manual: Lathe Turning JB/T 9168.3-1998 Common process instructions for cutting ---Process instructions for milling JB/T 9168.4-1998 Common process instructions for cutting--Process instruction for planing (shaping) and slotting JB/T 9168.5-1998 Common process instructions for cutting ---Process instructions for drilling JB/T 9168.6-1998 Common process instrucftions for cutting --Process instructions for boring JB/T 9168.7-1998 Common process instructions for cutting --Process instructions for broaching JB/T 9168.8-1998 Grinding, common machining process guidelines for cutting processing JB/T 9168.11-1998 Common process instructions for cutting ---Process instructions for laying off JB/T 9168.12-1998 Cutting processing general process rules for sketching 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 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 47014-2023 Pressure equipment welding process qualification NB/T 47015-2023 Stress vessel welding procedure NB/T 47016-2023 The mechanical properties of welded specimens for pressure equipment products are tested NB/T 47018.1-2017 Welding Material for Pressure Equipment Ordering Technical Specification Part 1: Purchase General Rules NB/T 47018.1-2011 Technical permission of welding materials for pressure equipment Section 1:General rule NB/T 47018.2-2017 The technical requirements for ordering welding materials for pressure equipment Part 2: Steel welding rods NB/T 47018.2-2011 Technical permission of welding materials for pressure equipment Section 2:Electrodes for steel NB/T 47018.3-2017 Specifications for Welding Materials for Pressure Equipment - Part 3: Gas-protected Electric Arc Welding Wire and Filler Wire NB/T 47018.3-2011 Technical permission of welding materials for pressure equipment Section 3:Steel electrodes and rods for gas shielded arc welding NB/T 47018.4-2017 Specification for Welding Materials for Pressure Equipment Part 4: Filler Steel Welding Wire and Welding Solder for Submerged-Arc Welding NB/T 47018.4-2011 Technical permission of welding materials for pressure equipment Section 4:Electrodes and fluxes for submerged arc welding NB/T 47018.5-2017 "Specifications for welding materials used in pressure equipment - Part 5: Stainless steel welding strips and welding fluxes for overlay welding" NB/T 47018.5-2011 Technical permission of welding materials for pressure equipment Section 5:Stainless steel strip electrodes and fluxes for overlay welding NB/T 47018.6-2011 Technical permission of welding materials for pressure equipment Section 6:Bare aluminum and aluminum-alloy welding electrodes and rods NB/T 47018.7-2011 Technical permission of welding materials for pressure equipment Section 7:Titanium and titanium-alloy welding electrodes and rods NB/T 47027-2012 Stud bolts & nuts for body flange NB/T 47040-2013 Boiler access and manhole/handhole device QB/T 3917 TSG R0004-2009 Supervision Regulation on Safety Technology for Stationary Pressure Vessel