适用于焊接Cr-Ni-Mo和Cr-Ni稳定化或非稳定化钢种的实芯抗腐蚀性稳定化铬镍钼合金焊丝。 OK Autrod 318Si具有良好的普通抗腐蚀性。该合金经过铌稳定化处理，可改善焊缝金属的抗晶间腐蚀性能。较高的硅含量改善了诸如熔湿性之类的焊接性能。由于经过铌稳定化处理，该合金可推荐用于高达400ºC的工作温度。
Typical Tensile Properties
| As welded |
| Elongation |
Tensile Strength |
Yield Strength |
保护气体 |
| 35 % |
615 MPa |
460 MPa |
- |
| 35 % |
480 MPa |
360 MPa |
Tested at 400°C. |
夏比V型缺口冲击性能
| As welded |
| Impact Value |
Testing Temperature |
| 100 J |
20 °C |
| 70 J |
-60 °C |
焊缝金属分析
| Mn |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| 1.7 % |
- |
- |
- |
- |
- |
- |
- |
- |
| Mo |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| - |
2.60 % |
- |
- |
- |
- |
- |
- |
- |
| Cu |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| - |
- |
0.10 % |
- |
- |
- |
- |
- |
- |
| C |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| - |
- |
- |
0.05 % |
- |
- |
- |
- |
- |
| Nb |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| - |
- |
- |
- |
0.50 % |
- |
- |
- |
- |
| Si |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| - |
- |
- |
- |
- |
0.8 % |
- |
- |
- |
| Ferrite FN |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| - |
- |
- |
- |
- |
- |
6 % |
- |
- |
| Ni |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| - |
- |
- |
- |
- |
- |
- |
11.9 % |
- |
| Cr |
| Mn |
Mo |
Cu |
C |
Nb |
Si |
Ferrite FN |
Ni |
Cr |
| - |
- |
- |
- |
- |
- |
- |
- |
18.8 % |
熔敷数据
| 安培 |
熔敷率 |
电压 V |
直径 |
送丝速度 |
| 55-160 A |
1.0-4.1 kg/h |
15-24 V |
0.8 mm |
4.0-17.0 m/min |
| 80-240 A |
1.5-6.0 kg/h |
15-28 V |
1.0 mm |
4.0-16.0 m/min |
| 100-300 A |
1.6-7.5 kg/h |
15-29 V |
1.2 mm |
3.0-14.0 m/min |
