GB/T 39255-2020
ActiveGases and gas mixtures for welding and cutting processes
焊接与切割用保护气体
Application Summary AI generated
GB/T 39255-2020 specifies the technical requirements, test methods, and quality classifications for shielding gases and gas mixtures used in welding and cutting processes. It applies to manufacturers and users in the metal fabrication industry, ensuring consistent gas purity and composition for arc welding, laser cutting, and plasma cutting applications. The standard is referenced in production quality control and procurement specifications to guarantee weld integrity and cutting precision.
Related Standards
GB/T 18591-2001
Welding - Guidance on the measurement of preheating temperature, interpass temperature and preheat maintenance temperature
GB/T 25774.2-2016
Test methods for welding consumables - Part 2: Preparation of single-run and two-run technique test specimens in steel
GB/T 12470-2003
Low-alloy steel electrodes and fluxes for submerged arc welding
GB/T 19419-2003
Welding coordination--Tasks and responsibilities
GB/T 15169-2003
Qualification test of welders--Fusion welding forsteels
GB/T 19418-2003
Arc-welded joints in steel--Guidance on quality levels for imperfections
GB/T 8366-2004
Resistance welding--Resistance welding equipment--Mechanical and electrical requirements
GB/Z 41107.3-2021
Destructive tests on welds in metallic materials—Hot cracking tests for weldments—Arc welding processes—Part 3:Externally loaded tests
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.