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

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

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 14253-1993 General specifications for light industry machinery GB/T 14253-2008 General specification for light industry machinery 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 HG 20583-1998 Specification for Structural Design of Steel Chemical Vessels HG/T 20583-2011 Specification of structural design for steel chemical vessels HG/T 20592 HG/T 20593 HG/T 20594 HG/T 20595 HG/T 20596 HG/T 20597 HG/T 20598 HG/T 20599 HG/T 20600 HG/T 20601 HG/T 20602 HG/T 20603 HG/T 20604 HG/T 20605 HG/T 20606 HG/T 20607 HG/T 20608 HG/T 20609 HG/T 20610 HG/T 20611 HG/T 20612 HG/T 20613 HG/T 20614 HG/T 20615 HG/T 20616 HG/T 20617 HG/T 20618 HG/T 20619 HG/T 20620 HG/T 20621 HG/T 20622 HG/T 20623 HG/T 20624 HG/T 20625 HG/T 20626 HG/T 20627 HG/T 20628 HG/T 20629 HG/T 20630 HG/T 20631 HG/T 20632 HG/T 20633 HG/T 20634 HG/T 20635 HG/T 21514-2005 Steel manhole and handhole types and technical conditions HG/T 21514-2014 Technical specification of steel manholes and handholes NB/T 10558-2021 Pressure vessel coating and transportation packaging 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 47013.1-2015 Non-destructive testing of pressure equipment - Part 1: General requirements NB/T 47013.2-2015 Non-destructive testing of pressure equipment - Part 2: Radiographic testing NB/T 47013.3-2023 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.3-2015 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.4-2015 "Non-destructive testing of pressure equipment - Part 4: Magnetic particle testing" NB/T 47013.5-2015 Non-destructive testing of pressure equipment - Part 5: Penetrant testing NB/T 47013.10-2015 Non-destructive testing of pressure equipment - Part 10: Ultrasonic testing using time-of-flight diffraction method NB/T 47013.10-2010 Nondestructive testing of pressure equipments-Part 10:Ultrasonic time of flight diffraction technique 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 47027-2012 Stud bolts & nuts for body flange NB/T 47040-2013 Boiler access and manhole/handhole device NB/T 47042-2014 Horizontal container QB/T 1339-2013 The diameter series of paper machine rollers and drying cylinders QB/T 1339-1991 Pulp machine roll cylinder and drying cylinder diameter series QB/T 1588.2-2015 General technical specification for light industry machinery cutting processing parts QB/T 1588.2-1992 Light industry machinery - Cutting workpiece general technical specification QB/T 2551-2021 Paper making machinery iron baking cylinder QB/T 3917-1999