埋弧焊用焊丝,埋弧焊丝
si≤0.03, p≤0.030, s≤0.030, cu≤0.20
si≤0.03, p≤0.020, s≤0.020, cu≤0.20
si≤0.07, p≤0.030, s≤0.030, cu≤0.20
si≤0.07, p≤0.035, s≤0.035, cu≤0.20
si: 0.60-0.90, p≤0.035, s≤0.030, cu≤0.35
si≤0.25, p≤0.030, s≤0.030, mo≤0.50-0.70
si≤0.25, p≤0.030, s≤0.030, cu≤0.20, mo≤0.30-0.50
si: 0.65-0.95, p≤0.030, s≤0.030, cu≤0.20
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