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常用焊材推荐烘干温度及保温时间类别牌号烘干温度（℃）保温时间（h）碳钢和低合金钢焊条J422J5021501J426J427350-4001J506J507350-4001J506RHJ507RHJ607RH350-4001J507MOWJ5573501J556RH4001J707RH4002J606J607J7073501低温钢焊条W607W7073501钼和铬钼钢耐热钢焊条R207R307350-4001R307H4001R317R407R507350-4001铬、镍不锈钢焊条A102A132A302A2021501A107A137A2072501A022A002A212A2421501A042A0622501