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MIG welding method for Ni and Ni-alloys with Ar and CO2 based shielding gases
MIG welding method for Ni and Ni-alloys with Ar and CO2 based shielding gases
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机译:使用氩气和二氧化碳气作为保护气体的镍和镍合金的MIG焊接方法
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摘要
A method for the MIG welding of nickel and some nickel alloys, with a protective gas in a least a part of the welding zone, uses a protective gas containing a mixture of 0.05 to 0.5% of CO2 and argon. Advantageously, the gas mixture also contains 15 to 50% vol. and preferably 17 to 30% vol. Helium or 0.1 to 10% vol. and preferably 1 to 7% vol. Hydrogen. Independent claims are included for gas mixtures used as the protective atmosphere for the MIG welding of nickel and some nickel alloys.
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