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 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 28906 - 2025
Hot Rolled Wire Rod for Cold Heading
GB /T 4354 - 2025
Hot-Rolled Quality Carbon Steel Wire Rods
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 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 42787 - 2023
High-Entropy Alloy Powders for Additive Manufacturing
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 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 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 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 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 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 34560.6 - 2017
Structural Steels - Part 6: Technical Delivery Conditions for Seismic-Improved Structural Steels for Building
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
