OK Autrod 12.51是一种适用于非合金钢GMAW焊接的镀铜锰硅合金化G3Si1/ER70S-6实芯焊丝，可用于普通建筑、汽车零件、压力容器制造及造船行业。该焊丝的化学成分经过精心控制，并采用独家表面技术，可在较高送丝速度和较高电流条件下获得优异的焊缝金属质量。该焊丝可配合Ar/CO
2混合气体和纯CO
2保护气体使用。
Typical Tensile Properties
| As welded |
| Elongation |
Tensile Strength |
Yield Strength |
保护气体 |
Stress Relieved Temperature |
Stress Relieved Testing Time |
| 30 % |
530 MPa |
430 MPa |
AWS CO2 (C1) |
- |
- |
| 26 % |
560 MPa |
460 MPa |
EN 80Ar/20CO2(M21) |
- |
- |
| Stress relieved |
| Elongation |
Tensile Strength |
Yield Strength |
保护气体 |
Stress Relieved Temperature |
Stress Relieved Testing Time |
| 28 % |
495 MPa |
370 MPa |
EN 80Ar/20CO2(M21) |
620 °C |
15 hr |
| As welded |
| Elongation |
Tensile Strength |
Yield Strength |
保护气体 |
Stress Relieved Temperature |
Stress Relieved Testing Time |
| 25 % |
540 MPa |
440 MPa |
EN CO2 (C1) |
- |
- |
夏比V型缺口冲击性能
| As welded |
| Impact Value |
Testing Temperature |
保护气体 |
Stress Relieved Testing Temp |
Stress Relieved Testing Time |
| 75 J |
-30 °C |
AWS CO2 (C1) |
- |
- |
| 130 J |
20 °C |
EN 80Ar/20CO2(M21) |
- |
- |
| 120 J |
-20 °C |
EN 80Ar/20CO2(M21) |
- |
- |
| 100 J |
-30 °C |
EN 80Ar/20CO2(M21) |
- |
- |
| 90 J |
-40 °C |
EN 80Ar/20CO2(M21) |
- |
- |
| Stress relieved |
| Impact Value |
Testing Temperature |
保护气体 |
Stress Relieved Testing Temp |
Stress Relieved Testing Time |
| 120 J |
20 °C |
EN 80Ar/20CO2(M21) |
620 °C |
15 hr |
| 90 J |
-20 °C |
EN 80Ar/20CO2(M21) |
620 °C |
15 hr |
| As welded |
| Impact Value |
Testing Temperature |
保护气体 |
Stress Relieved Testing Temp |
Stress Relieved Testing Time |
| 110 J |
20 °C |
EN CO2 (C1) |
- |
- |
| 75 J |
-30 °C |
EN CO2 (C1) |
- |
- |
焊缝金属分析
| Mn |
| Mn |
C |
Si |
| 1.46 % |
- |
- |
| C |
| Mn |
C |
Si |
| - |
0.078 % |
- |
| Si |
| Mn |
C |
Si |
| - |
- |
0.85 % |
熔敷数据
| 安培 |
熔敷率 |
电压 V |
直径 |
送丝速度 |
| 30-100 A |
0.7-1.7 kg/h |
15-20 V |
0.6 mm |
5.5-13 m/min |
| 60-200 A |
0.8-2.3 kg/h |
18-24 V |
0.8 mm |
3.2-10 m/min |
| 70-250 A |
0.9-3.5 kg/h |
18-26 V |
0.9 mm |
3.0-12 m/min |
| 80-300 A |
1.0-5.5 kg/h |
18-32 V |
1.0 mm |
2.7-15 m/min |
| 100-350 A |
1.2-7.0 kg/h |
18-34 V |
1.14 mm |
2.6-15 m/min |
| 120-380 A |
1.3-8.0 kg/h |
18-35 V |
1.2 mm |
2.5-15 m/min |
| 130-400 A |
1.5-8.5 kg/h |
19-35 V |
1.32 mm |
2.4-15 m/min |
| 150-420 A |
1.6-8.7 kg/h |
22-36 V |
1.4 mm |
2.3-12 m/min |
| 225-550 A |
2.1-9.4 kg/h |
28-38 V |
1.6 mm |
2.3-10 m/min |
| 300-650 A |
4.4-10.2 kg/h |
32-44 V |
2.0 mm |
3.0-7 m/min |
