JQ.MG49-1符合GBER49-1说明:JQ.MG49-1焊丝具有优良的焊接工艺性能。焊接时电弧稳定，飞溅较少，具有良好的抗气孔性能。用途:焊接低碳钢及某些低合金钢结构。焊丝化学成分(%)CMnSiSPCuNiCr≤0.111.80~2.100.65~0.95≤0.03≤0.03≤0.50≤0.30≤0.20参考电流(DC+)焊丝规格(mm)焊接电流(A)CO2气体流量(L/min)φ0.850~14015φ1.050~22015~20φ1.080~35015~25φ1.6170~55020~25JQ.MG49-1符合GBER49-1说明:JQ.MG49-1焊丝具有优良的焊接工艺性能。焊接时电弧稳定，飞溅较少，具有良好的抗气孔性能。用途:焊接低碳钢及某些低合金钢结构。焊丝化学成分(%)CMnSiSPCuNiCr≤0.111.80~2.100.65~0.95≤0.03≤0.03≤0.50≤0.30≤0.20参考电流(DC+))