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焊高碳钢用什么焊条最合适
更新时间: 2020-10-24 00:00:00  

高碳钢焊接时低氢型焊条为首选,超低氢焊条更好。 高碳钢焊接过程因为容易形成马氏体,淬硬性相应增加,那焊接一定容易引起问题,低氢型焊条可以最大限度保障裂纹的减少,同时焊前预热也是必要的,同时焊材根据厂商要求进行烘干保温,保温桶必须保持在70度以上,同时控制好二次烘干,另外,焊后缓慢冷却是非常必要的,焊后热处理非常重要,适当的烘烤,并使用保温包好焊口,这样能最大限度减少缺陷产生,应力也能有效消除。

关键词: 高碳钢 什么 焊条 合适

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