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30CrMo和Q235怎么焊接

2025-03-15 23:46:13

推荐回答（1个）

回答1：

你好，30CrMo是耐热钢材料，抗拉强度是830Mpa左右，与Q235系列钢板进行焊接，注意预热和后热。建议使用焊条进行焊接，这个材料焊丝不推荐，特别是二保焊。焊条牌号：R407耐热钢焊条。（J857）
电流的话90-120A，电压18-24都可以。
望采纳，谢谢。

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