Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

Title Standard No. Implemented On
Procedure of cutting products evaluationT/CWAN 0037-2021
Laser micro-welded joint quality inspection method of ultra-thin Ni based superalloysT/CWAN 0045-2020
Welding procedure qualification tests for titanium,zirconium and their alloysGB/T 40801-2021
Recommended process specification for narrow-gap laser welding with filler wire of large thickness titanium alloyT/CWAN 0059-2021
Welding process specification of trackless unguided crawling robot for vertical storage tankT/CWAN 0049-2021
Welding procedures qualification for overlay weldingGB/T 40740-20212022-5-1
Quality requirements for post welding heat treatment GB/T 40741-20212022-5-1
Welding procedure qualification test for tubes to tube-plate joints GB/T 40424-20212022-3-1
Process specification for micro diameter wire resistance brazingT/CWAN 0046-20222022-2-1
Welding procedure qualification test for copper and its alloysGB/T 39312-20202021-6-1
Welding process specification of trackless unguided all-position crawling welding robot for spherical vesselT/CWAN 0050-20212021-3-1
Recommended process for laser beam welding on stainless steelsGB/T 37778-20192020-3-1
Recommendation procedure specification for laser-arc hybrid weldingGB/T 37893-20192020-3-1
Inertia friction welding processGB/T 37777-20192020-3-1
Technical requirements for laser welding of high temperature titanium alloyGB/T 37901-20192020-3-1
Qualification testing of welders for fusion welding ontitanium and titanium alloys,zirocnium and zirconium alloysGB/T 36234-20182018-12-1
Friction stir welding―Aluminium and its alloys―Part 4:Specification and qualification of welding proceduresGB/T 34630.4-20172018-4-1
Friction stir welding - Aluminium and its alloys - Part 3: Qualification of welding operatorsGB/T 34630.3-20172018-4-1
Welding procedure qualification test for laser-arc hybrid welding of steels,nickel and nickel alloysGB/T 33645-20172017-12-1
Technical permission of welding materials for pressure equipmentNB/T 47018.1~47018.5-20172017-8-1
Welding procedure specification for laser-arc hybrid weldingGB/T 19867.6-20162017-5-1
Qualification testing of welders for fusion welding on nickel and nickel alloysGB/T 32257-20152016-7-1
Qualification Test of Welders - Fusion Welding for Copper and Copper AlloysGB/T 30563-20142014-12-1
Electron and laser beam welding procedure test methodGB/T 29710-20132014-6-1
Welding procedure qualification test for aluminum and its alloysGB/T 19869.2-20122013-3-1
Automatic welding equipment for profile steelGB/T 28771-20122013-3-1
Fusion welding specifications for combustion engineGB/T 25773-20102011-6-1
The code for the welding heat treatment for power plantDL/T 819-20102011-5-1
The code of the welding on dissimilar steel for power plantDL/T 752-20102010-10-1
Specificaton for welding of stainless clad steel in petrochemical industrySH/T 3527-20092010-6-1
Specificaton for welding of Cr-Ni stainless steel Fe-Ni and Ni alloy in petrochemical industrySH/T 3523-20092010-6-1
Recommendations for welding of aluminium and aluminium alloysGB/T 22086-20082009-1-1
The code of welding for tube-plate of condenser of power plantDL/T 1097-20082008-11-1
Welding procedure specification for laser beam weldingGB/T 19867.4-20082008-9-1
Welding procedure specification for resistance weldingGB/T 19867.5-20082008-9-1
Welding procedure specification for gas weldingGB/T 19867.2-20082008-9-1
Welding procedure specification for electron beam weldingGB/T 19867.3-20082008-9-1
Technical requirements for vacuum diffusion welding of copper and copper alloy with steelQJ 3251-20052006-5-1
Specification and qualification of welding procedures for metallic materials - General rulesGB/T 19866-20052006-4-1
Welding and allied processes—Nomenclature of processes and reference numbersGB/T 5185-20052006-4-1
Weldiing procedure qualification based on previous welding experienceGB/T 19868.2-20052006-4-1
Welding procedure qualification by adoption of a standard welding procedureGB/T 19868.3-20052006-4-1
Welding procedure specification for arc weldingGB/T 19867.1-20052006-4-1
Welding Procedure Qualification Test for Steels, Nickel and Nickel AlloysGB/T 19869.1-20052006-4-1
Welding procedure qualification based on tested welding consumablesGB/T 19868.1-20052006-4-1
Qualification test of welding operatorsGB/T 19805-20052005-12-1
GB/T 1980 4-2005 Welding - Genral tolerances for welded constructions - Dimensions for lengths and angles - Shape and positionGB/T 19804-20052005-12-1
Welding procedure qualification based on pre-production welding testGB/T 19868.4-20052005-4-1
Qualification test of welders - Fusion welding for steelsGB/T 15169-20032004-6-1
Requirements for preparation before welding and treatment after weldingQJ 3196-20042003-12-1
Specification for Welding and Acceptance of Reinforcing Steel BarsJGJ 18-20032003-5-1
Recommended practice for vibration stress relief on welding structureJB/T 10375-20022003-4-1
Welding procedures for verticalQ/CNPC 78-20022002-7-8
Welding turning rollsJB/T 9187-19992000-1-1
Welding procedure specification for gas tungsten arc weldingJB/T 9185-19992000-1-1
Welding procedure specification for CO2 shielded arc weldingJB/T 9186-19992000-1-1
Friction welding - General requirementsJB/T 4251-19992000-1-1
Resistance Spot and Seam Welding Process of Titanium and Titanium AlloyQJ 2696-19951995-3-1
Technical Specification for Resistance Point and Seam Welding of Structural Steel and Stainless Steel QJ 1289-19951995-3-1
Process Specification for Fusion Welding of Structural Steel and Stainless Steel QJ 1843A-19961995-3-1
Vacuum Sealing JointQJ 2651-19941995-1-1
General Technical Specifications for Repair Welding of Carbon Steel Castings QJ 814-19931994-1-1
Technical specification for welding copper and copper alloysHGJ 223-19921992-10-1
Technical specification for welding aluminium and aluminium alloysHGJ 222-19921992-10-1
Structural Steel and Stainless Steel Resistance Spot Welding and Seam Welding ProcessQJ 1290-19871988-4-1
Welding,brazing,braze welding and soldering of metals; List of processes for symbolic representation on drawingsGB/T 5185-19851986-4-1
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