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ER420J不锈钢氩弧焊丝
标准:YB/T 5092 H12Cr13 AWS A5.9 ER420 用途:用于焊接0Cr13和1Cr13、2Cr13不锈钢结构,如汽轮机叶片的补焊及对接,也可用于耐蚀、耐磨的表面堆焊。
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