 产品分类友情链接 |
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OK 78.16为适用于焊接0.25C-1Cr-0.3Mo合金化淬火和回火钢种的CrMo合金化焊条。其焊缝金属的热处理要求与母板相同。OK 78.16的焊缝金属还适合进行火焰硬化。采用OK 78.16焊接高强度钢种应进行**200°C的预热。
Typical Tensile Properties
| As welded |
| Elongation |
Tensile Strength |
Yield Strength |
保护气体 |
| 17 % |
900 MPa |
800 MPa |
ISO |
| - |
- |
- |
AWS |
夏比V型缺口冲击性能
| As welded |
| Impact Value |
Testing Temperature |
保护气体 |
| 80 J |
20 °C |
ISO |
焊缝金属分析
| Mn |
| Mn |
Mo |
C |
Si |
Cr |
| 0.76 % |
- |
- |
- |
- |
| Mo |
| Mn |
Mo |
C |
Si |
Cr |
| - |
0.2 % |
- |
- |
- |
| C |
| Mn |
Mo |
C |
Si |
Cr |
| - |
- |
0.17 % |
- |
- |
| Si |
| Mn |
Mo |
C |
Si |
Cr |
| - |
- |
- |
0.52 % |
- |
| Cr |
| Mn |
Mo |
C |
Si |
Cr |
| - |
- |
- |
- |
1.15 % |
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 |
| 58 sec |
0.64 kg |
70.0 |
75-100 A |
0.90 kg/h |
20 V |
2.5 x 350 mm |
| 78 sec |
0.64 kg |
32.5 |
105-140 A |
1.40 kg/h |
21 V |
3.2 x 450 mm |
| 83 sec |
0.66 kg |
22.5 |
145-195 A |
1.90 kg/h |
22 V |
4.0 x 450 mm |
| 86 sec |
0.68 kg |
15.0 |
190-260 A |
2.80 kg/h |
23 V |
5.0 x 450 mm
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