采用13% Cr, 4.5% Ni和0.5% Mo合金化的420NiMo型焊丝。 该合金适用于焊接水轮机等各种应用中的类似成分马氏体和马氏体-铁素体钢种。
Typical Tensile Properties
| Stress relieved |
| Elongation |
Stress Relieved Temperature |
Stress Relieved Testing Time |
Tensile Strength |
Yield Strength |
| 17 % |
600 °C |
2 hr |
1000 MPa |
930 MPa |
| 22 % |
600 °C |
8 hr |
870 MPa |
770 MPa |
夏比V型缺口冲击性能
| Stress relieved |
| Impact Value |
Stress Relieved Testing Temp |
Stress Relieved Testing Time |
Testing Temperature |
| 120 J |
600 °C |
2 hr |
0 °C |
| 120 J |
600 °C |
2 hr |
-20 °C |
| 175 J |
600 °C |
8 hr |
0 °C |
| 165 J |
600 °C |
8 hr |
-20 °C |
焊缝金属分析
| Mn |
| Mn |
Mo |
Cu |
C |
Si |
Ni |
Cr |
| 0.5 % |
- |
- |
- |
- |
- |
- |
| Mo |
| Mn |
Mo |
Cu |
C |
Si |
Ni |
Cr |
| - |
0.6 % |
- |
- |
- |
- |
- |
| Cu |
| Mn |
Mo |
Cu |
C |
Si |
Ni |
Cr |
| - |
- |
0.1 % |
- |
- |
- |
- |
| C |
| Mn |
Mo |
Cu |
C |
Si |
Ni |
Cr |
| - |
- |
- |
0.02 % |
- |
- |
- |
| Si |
| Mn |
Mo |
Cu |
C |
Si |
Ni |
Cr |
| - |
- |
- |
- |
0.4 % |
- |
- |
| Ni |
| Mn |
Mo |
Cu |
C |
Si |
Ni |
Cr |
| - |
- |
- |
- |
- |
4.2 % |
- |
| Cr |
| Mn |
Mo |
Cu |
C |
Si |
Ni |
Cr |
| - |
- |
- |
- |
- |
- |
12.4 % |
