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ndv阀门密封面堆焊材料的选用

文章来源:http://blogspo6.com/news296420.html 发表时间:2019-12-18 16:17:00

     ndv阀门的密封面一般采用堆焊方法制造。用于阀门堆焊的材料按合金类型分为4大类,  即钴基合金、镍基合金、铁基合金和铜基合金。这些合金材料被制成电焊条、焊丝 ( 含药芯焊丝) 、焊剂 ( 含过渡合金型焊剂)  和合金粉末等,  采用手工电弧焊、氧 乙炔焰焊、钨极氩弧焊、埋弧自动焊和等离子弧焊等方法堆焊。

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