说明OK 68.55是一种适用于焊接诸如SAF 2507和Zeron 100等超级双相奥氏体-铁素体钢种的碱性药皮焊条。
Typical Tensile Properties
| As welded |
| Elongation |
Tensile Strength |
Yield Strength |
保护气体 |
| 28 % |
900 MPa |
700 MPa |
ISO |
夏比V型缺口冲击性能
| As welded |
| Impact Value |
Testing Temperature |
保护气体 |
| 90 J |
20 °C |
ISO |
| 70 J |
-20 °C |
ISO |
| 55 J |
-40 °C |
ISO |
| 45 J |
-60 °C |
ISO |
焊缝金属分析
| Mn |
| Mn |
Mo |
C |
Si |
Ferrite FN |
Ni |
N |
Cr |
| 0.9 % |
- |
- |
- |
- |
- |
- |
- |
| Mo |
| Mn |
Mo |
C |
Si |
Ferrite FN |
Ni |
N |
Cr |
| - |
4.3 % |
- |
- |
- |
- |
- |
- |
| C |
| Mn |
Mo |
C |
Si |
Ferrite FN |
Ni |
N |
Cr |
| - |
- |
0.03 % |
- |
- |
- |
- |
- |
| Si |
| Mn |
Mo |
C |
Si |
Ferrite FN |
Ni |
N |
Cr |
| - |
- |
- |
0.6 % |
- |
- |
- |
- |
| Ferrite FN |
| Mn |
Mo |
C |
Si |
Ferrite FN |
Ni |
N |
Cr |
| - |
- |
- |
- |
45 % |
- |
- |
- |
| Ni |
| Mn |
Mo |
C |
Si |
Ferrite FN |
Ni |
N |
Cr |
| - |
- |
- |
- |
- |
10.4 % |
- |
- |
| Cr |
| Mn |
Mo |
C |
Si |
Ferrite FN |
Ni |
N |
Cr |
| - |
- |
- |
- |
- |
- |
- |
25.2 % |
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 |
| 48 sec |
0.62 kg |
93 |
50-80 A |
0.8 kg/h |
23 V |
2.5 x 300 mm |
| 68 sec |
0.63 kg |
46 |
60-100 A |
1.1 kg/h |
23 V |
3.2 x 350 mm |
| 70 sec |
0.62 kg |
32 |
100-140 A |
1.6 kg/h |
23 V |
4.0 x 350 mm |
