组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 43917.3-2024
Equipment for capture and separation of welding fume—Part 3: Determination of the capture efficiency of on-torch welding fume extraction devices
GB/T 43917.4-2024
Equipment for capture and separation of welding fume—Part 4: Determination of the minimum air volume flow rate of capture devices
GB/T 43754-2024
Rotary friction welding of metallic materials
GB/T 43656-2024
Test methods for energy consumption during welding processing
GB/T 43755-2024
Preformed solders
GB/T 26954-2024
Non-destructive testing of welds—Eddy current testing of welds by complex-plane analysis
GB/T 31032-2023
Welding and acceptance standard for steel pipings and pipelines
GB/T 25774.3-2023
Test methods for welding consumables—Part 3:Preparation and testing of a fillet weld specimens for T-joint
GB/T 25774.2-2023
Test methods for welding consumables—Part 2: Preparation of butt weld single-run and two-run technique test pieces and specimens for mechanical properties in steel
GB/T 25774.1-2023
Test methods for welding consumables—Part 1: Preparation of deposited metal test pieces and specimens for mechanical properties in steel,nickel and nickel alloys
GB/T 9460-2023
Solid wires and rods for fusion welding of copper and copper alloys
GB/T 43412-2023
Recommended process for resistance spot welding on sheet metal
GB/T 43322-2023
Gas welding equipment—Air-aspirated welding blowpipes
GB/T 29712-2023
Non-destructive testing of welds—Ultrasonic testing—Acceptance levels
GB/T 29711-2023
Non-destructive testing of welds—Ultrasonic testing—Characterization of discontinuities in welds
GB/T 11345-2023
Non-destructive testing of welds—Ultrasonic testing—Techniques, testing levels, and assessment
GB/T 43320-2023
Non-destructive testing of welds—Ultrasonic testing—Use of automated phased array technology for thin-walled steel components
GB/T 43321-2023
Recommended brazing procedure specification for copper and copper alloys
GB/T 10858-2023
Wire electrodes,wires and rods for welding of aluminium and aluminium alloys
GB/T 15579.7-2023
Arc welding equipment—Part 7: Torches