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 max |
kg weld metal/kg electrodes |
Number of electrodes/kg weld metal |
安培 |
熔敷率 |
电压 V |
直径 |
40 sec |
0.58 kg |
136.0 |
55-80 A |
0.7 kg/h |
23 V |
2.0 x 300 mm |
52 sec |
0.58 kg |
88.0 |
70-110 A |
0.8 kg/h |
25 V |
2.5 x 300 mm |
62 sec |
0.59 kg |
49.0 |
95-150 A |
1.2 kg/h |
26 V |
3.2 x 350 mm |
88 sec |
0.64 kg |
23.0 |
130-190 A |
1.8 kg/h |
28 V |
4.0 x 450 mm |
92 sec |
0.64 kg |
14.5 |
150-260 A |
2.7 kg/h |
29 V |
5.0 x 450 mm |
90 sec |
0.64 kg |
10.5 |
200-350 A |
3.9 kg/h |
30 V |
6.0 x 450 mm |