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制管&海工
海工及石油天然气管线行业主要涉及的材料为船用钢和管线钢，既要确保强度指标又要满足低温冲击韧性要求。
为了在确保质量的同时提高生产效率，采用传统的单丝埋弧焊（SAW）已经不能满足生产要求。
艾美特精确控制的多丝埋弧焊接技术，通过ArcLink通讯协议无缝控制林肯数字化埋弧电源，能够做到对多个电弧的相序协调，确保多丝共熔池的稳定焊接；针对X型坡口可以一次完成25.4mm（内2丝外2丝）的管线焊接（详细信息见工艺技术-多丝埋弧）。
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