GB 3289.26 - 1982
Malleable cast iron pipe fittings - Type size - Inner joints (nipples hexagon)
GB /T 19326 - 2022
Forged branch outlet fittings
GB /T 4334 - 2020
Corrosion of metals and alloys - Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels
GB /T 15054.2 - 2018
Miniature screw threads : Tolerances and limits of size
GB /T 34632 - 2017
The blank diameters for rolling unified screw threads
GB /T 702 - 2017
Hot-rolled steel bars - Dimensions, shape, weight and tolerances
GB /T 12212 - 2012
Technical drawings - Dimensions, proportions and simplified representation for welding symbols
GB /T 1031 - 2009
Geometrical Product Specifications (GPS) - Surface texture: Profile method - Surface roughness parameters and their values
GB /T 1801 - 2009
Geometrical Product Specifications (GPS) - Limits and fits - Selection of tolerance zones and fits
GB /T 23935 - 2009
Design of cylindrical helical springs
GB /T 193 - 2003
General purpose metric screw threads - General plan (ISO 261: 1998, MOD)
GB /T 1800.4 - 1999
Limits and fits Tables of standard tolerance grades and limit deviations for holes and shafts
GB /T 3101 - 1993
General principles concerning quantities，units and symbols
GB 1176 - 1987
Specification for cast copper alloys
GB T 1231 - 2024
High strength bolts with large hexagon head assemblies for steel structures
GB /T 10858 - 2023
Wire electrodes, wires and rods for welding of aluminium and aluminium alloys
GB /T 5310 - 2023
Seamless steel tubes and pipes for high pressure boiler
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 18326 - 2022
Plain bearing-Multilayer materials for thin-walled plain bearing
GB /T 24186 - 2022
High Strength abrasion resistant steel plates for construction machine
GB /T 26655 - 2022
Compacted (vermicular) graphite iron castings
GB /T 28905 - 2022
Low yield strength steel plate for construction
GB /T 29729 - 2022
Essential requirements for the safety of hydrogen systems
GB /T 41157.1 - 2022
Fasteners for nuclear power plants— Part1: Bolts, screws and studs made of alloy steel
GB /T 41157.2 - 2022
Fasteners for nuclear power plants— Part2: Nuts made of carbon steel and alloy steel
GB /T 41157.3 - 2022
Fasteners for nuclear power plants— Part3: Bolts, screws and studs made of corrosion-resistant stainless steel
GB /T 42159 - 2022
Titanium and titanium alloy bars and wire for fastener
GB /T 5231 - 2022
Designation and chemical composition of wrought copper and copper alloys
GB /T 12773 - 2021
Valve steel and superalloy bars for internal combustion engines
GB /T 14383 - 2021
Forged fitting, socket-welding and threaded
GB /T 2585 - 2021
Hot-rolled steel rails for railway
GB /T 40313 - 2021
Specification for wrought superalloy forging disks
GB /T 5235 - 2021
Designation and chemical composition of wrought nickel and nickel alloy
GB /T 2272 - 2020
Ferrosilicon
GB /T 3098.24 - 2020
Mechanical properties of fasteners-Stainless steel and nickel alloys bolts, screws, studs and nuts for high temperature applications
GB /T 3190 - 2020
Chemical Compositions of wrought aluminum and aluminium alloys
GB /T 35840.4 - 2020
Steels for plastic mould－Part 4: Pre-hardening steel plate
GB /T 38809 - 2020
General specification for low alloy ultra-high strength steels
GB /T 38815 - 2020
Superalloy powders atomized by plasma rotating electrode process
GB /T 38886 - 2020
High temperature bearing steel
GB /T 38941 - 2020
Supperalloy rods for powders atomized by plasma rotating electrode process
GB /T 39033 - 2020
Austenitic - ferritic duplex stainless steel wires rods
GB /T 4461 - 2020
Therrmostat metal strip
GB /T 12771 - 2019
Welded stainless steel pipes for fluid transport
GB /T 1348 - 2019
Spheroidal graphite iron castings
GB /T 16253 - 2019
Steel castings for pressure purposes
GB /T 24588 - 2019
en:Stainless steel wires for spring
GB /T 2518 - 2019
Continuously hot-dip zinc and zinc alloy coated steel sheet and strip
GB /T 26075 - 2019
Steel bars for sucker rods
GB /T 3078 - 2019
Quality structural steel cold drawm bars
GB /T 3086 - 2019
High carbon chromium stainless bearing steels
GB /T 3191 - 2019
Extrusion rods and bars of aluminium and aluminium alloys
GB /T 37578 - 2019
Urea grade ultra-low carbon austenitic seamless stainless steel tubes and pipes
GB /T 37601 - 2019
Hot rolled steel sheet and strip of alloy structure steel
GB /T 37618 - 2019
Nitriding steels
GB /T 37797 - 2019
Precision alloys—Designation
GB /T 5213 - 2019
Cold rolled low carbon steel sheet and strip
GB T 709 - 2019
Dimension, shape, weight and tolerance for hot-rolled steel strip, plate and sheet
GB /T 14986.3 - 2018
Soft magnetic alloys-Part 4: Iron-cobalt alloys
GB /T 14986.4 - 2018
Soft magnetic alloys-Part 4: Iron-chromium alloys
GB /T 1499.2 - 2018
Steel for the reinforcement of concrete - Part 2: Hot rolled ribbed bars
GB /T 1591 - 2018
High strength low alloy structural steels
GB /T 35840.3 - 2018
Steels for plastic mould－Part 3: Corrosion resistant steels
GB /T 8162 - 2018
Seamless steel tubes for structural purposes
GB /T 8163 - 2018
Seamless pipes for liquid service
GB /T 11263 - 2017
Hot rolled H and cut T section steel
GB /T 1196 - 2017
Unalloyed aluminium ingots for remelting
GB /T 1499.1 - 2017
Steel for the reinforcement of concrete—Part 1: Hot rolled plain bars
GB /T 18983 - 2017
Wire for quenched and tempered springs
GB /T 19830 - 2017
Petroleum and natural gas industries - Steel pipes for use as casing tubing for wells
GB /T 2040 - 2017
Copper and copper alloy sheet
GB /T 20887.1 - 2017
Continuously hot rolled high strength steel and strip for automobile－Part 1: High yield strength steel for cold forming
GB /T 2100 - 2017
Corrosion-resistanst steel castings for general applications
GB /T 24511 - 2017
Stainless steel and heat resisting steel plate, sheet and strip for pressure equipments
GB /T 3274 - 2017
Hot-rolled plates, sheets and strips of carbon structural steels and high strength low alloy structural sheets
GB /T 33522 - 2017
Carburizing bearing steel forgings-Technical specification
GB /T 33811 - 2017
Alloy tool and mould steel sheets and plates
GB /T 33949 - 2017
Copper alloy ring mateial for bearing cage
GB /T 34199 - 2017
Hot-rolled H section steel for electrified railway pillars
GB /T 34471.2 - 2017
Elastic alloys-Part 2: Constant elastic alloys
GB /T 34497 - 2017
Copper and copper alloy strip and foil for terminals and connectors
GB /T 34560.2 - 2017
Structural steels - Part 2: Technical delivery conditions for structrual steels for general purposes
GB /T 3876 - 2017
Molybdenum and Molybdenum alloy plate and sheet
GB /T 5304 - 2017
Vanadium pentoxide
GB /T 5310 - 2017
Seamless steel tubes and pipes for high pressure boiler
GB /T 6653 - 2017
Steel plates and strip for welded gas cylinders
GB /T 711 - 2017
Hot-rolled quality carbon structural steel plates sheets and strips
GB /T 8320 - 2017
Copper-tungsten and silver-tungsten electrical contacts
GB /T 959.1 - 2017
Specifications for retaining rings - Circlips
GB /T 1222 - 2016
Spring steels
GB /T 15712 - 2016
Microalloyed medium carbon steels
GB /T 18254 - 2016
High -carbon chromium bearing steel
GB /T 19078 - 2016
Magnesium alloys ingots for castings
GB /T 20065 - 2016
Screw-thread steel bars for the prestressing of concrete
GB /T 3203 - 2016
Carburizing steels for bearing
GB /T 32569 - 2016
Welded stainless steel tubes for seawater desalination plants
GB /T 33084 - 2016
Heavy alloy structural steel forgings-Technical specification
GB /T 3620.1 - 2016
Designation and composition of titanium and titanium alloys
GB /T 706 - 2016
Hot rolled section steel
GB /T 19879 - 2015
Steel plate for building structure
