nickel bare welding filter metal
... parallel-arc weld平列弧焊 nickel bare welding filter metal镍焊丝 oxyhydrogen welding氢氧焊; 氢氧焰烧焊 ...
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修理前，围绕兼顾解决焊接性、应力和变形问题，结合实际施工条件制定了以手工钨极氩弧焊、镍基焊丝、焊前低温预热、焊后锤击焊缝为要素的冷堆焊工艺。
The method of surfacing welding sealing strip was adopted to repair the deformation of the flange joint surface of the high and intermediate pressure outer casing .
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