GB/T 985-1988
AbolishedBasic forms and sizes of weld grooves for gas welding,manual arc welding and gas-shielded arc welding
气焊、手工电弧焊及气体保护焊焊缝坡口的基本形式与尺寸
🔗 Related Standards / 同类标准
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 324-1988
Welds-symbolic representation on drawings
GB/T 10249-1988
The organization of model for electric welding machines
GB/T 14693-1993
Nondestructive testing symbols for welds