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SHIELDING GAS FOR MAG WELDING, MAG WELDING METHOD, AND WELDED STRUCTURE
SHIELDING GAS FOR MAG WELDING, MAG WELDING METHOD, AND WELDED STRUCTURE
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机译:MAG焊接用的保护气体,MAG焊接方法和焊接结构
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摘要
The shielding gas for MAG welding according to an embodiment is a shielding gas for MAG welding to perform narrow gap welding of a high Cr steel containing 8 wt% to 13 wt% of Cr with one layer-one pass by using a solid wire containing 8 wt% to 13 wt% of Cr, and the shielding gas for MAG welding comprises a ternary mixed gas of 5% by volume to 17% by volume of a carbon dioxide gas, 30% by volume to 80% by volume of a helium gas, and a balance of an argon gas.
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