GB 3289.26 - 1982
Malleable Cast Iron Pipe Fittings - Type Size - Inner Joints (Nipples Hexagon)
GB /T 9144 - 2025
General purpose metric screw threads - Preferable plan
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 6728 - 2017
Cold Forming Hollow Sectional Steel for General Structure
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 /T 1222 - 2025
Spring Steels
GB /T 1299 - 2025
Tool and Mould Steels
GB /T 28906 - 2025
Hot Rolled Wire Rod for Cold Heading
GB /T 4354 - 2025
Hot-Rolled Quality Carbon Steel Wire Rods
GB /T 6418.1 - 2025
Copper Base Brazing Filler Metals - Part 1: Solid Brazing Filler Metals
GB /T 714 - 2025
Structural Steel for Bridge
GB /T 8731 - 2025
Free-Cutting Structural Steels
GB T 1231 - 2024
High Strength Bolts with Large Hexagon Head Assemblies for Steel Structures
GB /T 20878 - 2024
Stainless Steels - Designation and Chemical Composition
GB /T 4137 - 2024
Rare Earth Ferrosilicon Alloy
GB /T 4138 - 2024
Rare Earth Ferrosilicon Magnesium Alloy
GB /T 44457 - 2024
Hydrogen Storage Pressure Vessel Used in Hydrogen Refueling Station
GB /T 10858 - 2023
Wire Electrodes, Wires And Rods for Welding of Aluminium and Aluminium Alloys
GB /T 19879 - 2023
Steel Plate for Building Structure
GB /T 3114 - 2023
Copper and Copper Alloy Rectangular Wires
GB /T 3195 - 2023
Aluminium and Aluminium Alloys Drawn (Rolled) Round Wire
GB T 42787 - 2023
High-Entropy Alloy Powders for Additive Manufacturing
GB T 43151 - 2023
High-Strength Bolt Assemblies for Steel Structures of Weathering Steel
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 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 9460 - 2023
Solid Wires and Rods for Fusion Welding of Copper and Copper Alloys
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 3087 - 2022
Seamless Steel Tubes and Pipes for Low and Medium Pressure Boiler
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 41873 - 2022
Plastics—Polyetheretherketone (PEEK) Resin
GB /T 42159 - 2022
Titanium and Titanium Alloy Bars and Wire for Fastener
GB /T 4357 - 2022
Cold-Drawn Unalloyed Steel Wire for Springs
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 40802 - 2021
Carbon and Low Alloy Cast Steels for General Applications
GB /T 5235 - 2021
Designation and Chemical Composition of Wrought Nickel and Nickel Alloy
GB /T 11251 - 2020
Alloy Structural Steel Plate and Strip
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
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 34566 - 2018
Hot Stamping Steel Sheet and Strip for Automobile
GB /T 35840.3 - 2018
Steels for Plastic Mould－Part 3: Corrosion Resistant Steels
GB /T 36166 - 2018
Copper Alloy Rods and Profiles for Hydraulic Components
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 13560 - 2017
Sintered Neodymium Iron Boron Permanent Magnets
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
