ok 76.28

ok 76.28是一款适用于焊接含约2.25cr-1mo抗蠕变钢的lma焊条。该焊条可产生稳定的电弧，飞溅损失极少。ok 76.28可熔敷具有优异抗裂纹性能的焊缝金属。焊缝金属的结垢温度约为625°c。熔敷数据fusion time per electrode at 90％ i maxkg weld metal/kg electrodesnumber of electrodes/kg weld metal安  培熔敷率电压 v直径40 sec0.58 kg136.055-80 a0.7 kg/h23 v2.0 x 300 mm52 sec0.58 kg88.070-110 a0.8 kg/h25 v2.5 x 300 mm62 sec0.59 kg49.095-150 a1.2 kg/h26 v3.2 x 350 mm88 sec0.64 kg23.0130-190 a1.8 kg/h28 v4.0 x 450 mm92 sec0.64 kg14.5150-260 a2.7 kg/h29 v5.0 x 450 mm90 sec0.64 kg10.5200-350 a3.9 kg/h30 v6.0 x 450 mm