OK Autrod NiCr-3是一种抗腐蚀及耐热镍铬合金焊丝，适用于高合金钢、耐热钢、耐腐蚀钢、9Ni钢以及低温条件下具有较高缺口韧性类似钢种的埋弧焊接。OK Autrod NiCr-3可配合Flux 10.90或OK Flux 10.16使用。
Typical Tensile Properties
| As welded |
| Elongation |
Tensile Strength |
Yield Strength |
| 40 % |
650 MPa |
400 MPa |
夏比V型缺口冲击性能
| As welded |
| Impact Value |
Testing Temperature |
| 150 J |
20 °C |
焊缝金属分析
| Mn |
| Mn |
C |
Si |
Ni |
Nb+Ta |
Cr |
Fe |
| 3.0 % |
- |
- |
- |
- |
- |
- |
| C |
| Mn |
C |
Si |
Ni |
Nb+Ta |
Cr |
Fe |
| - |
0.04 % |
- |
- |
- |
- |
- |
| Si |
| Mn |
C |
Si |
Ni |
Nb+Ta |
Cr |
Fe |
| - |
- |
0.2 % |
- |
- |
- |
- |
| Ni |
| Mn |
C |
Si |
Ni |
Nb+Ta |
Cr |
Fe |
| - |
- |
- |
bal % |
- |
- |
- |
| Nb+Ta |
| Mn |
C |
Si |
Ni |
Nb+Ta |
Cr |
Fe |
| - |
- |
- |
- |
2.5 % |
- |
- |
| Cr |
| Mn |
C |
Si |
Ni |
Nb+Ta |
Cr |
Fe |
| - |
- |
- |
- |
- |
20.0 % |
- |
| Fe |
| Mn |
C |
Si |
Ni |
Nb+Ta |
Cr |
Fe |
| - |
- |
- |
- |
- |
- |
1.3 % |
熔敷数据
| 安培 |
熔敷率 |
电压 V |
直径 |
送丝速度 |
| 70-190 A |
1,3-4,8 kg/h |
20-27 V |
0.8 mm |
5-18 m/min |
| 100-200 A |
2,5-5,5 kg/h |
21-27 V |
1.0 mm |
6-13 m/min |
| 160-280 A |
3,6-6 kg/h |
24-30 V |
1.2 mm |
6-10 m/min |
