GB/T 324-1988

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 GB/T 5185-1985 Welding，brazing，braze welding and soldering of metals--List of processes for symbolic representation on drawings GB/T 6417-1986 Classification of imperfections in metallic fusion welds，with explanations GB/T 8454-1987 Determination of ferrous iron contentin reduced ilmenite powder for welding rod GB/T 986-1988 Basic forms and sizes of weld grooves for submerged arc welding GB/T 985-1988 Basic forms and sizes of weld grooves for gas welding，manual arc welding and gas-shielded arc welding GB/T 10249-1988 The organization of model for electric welding machines GB/T 14693-1993 Nondestructive testing symbols for welds