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OK Autrod 12.51 is a copper-coated solid wire with higher levels of deoxidizers (manganese and silicon).
The high content of deoxidizers allow welding over heavier amounts of dirt, rust, and mill scale while providing a more fluid puddle and smoother bead profile.
| Condition | As Welded | As Welded | As Welded | Stress Relieved |
| Shielding Gas | EN CO2 (C1) | AWS CO2 (C1) | EN 80Ar/20CO2 (M21) | EN 80Ar/20CO2 (M21) |
| Tensile Strength | 540 MPa | 530 MPa | 560 MPa | 495 MPa |
| Yield Strength | 440 MPa | 430 MPa | 460 MPa | 370 MPa |
| Elongation | 25 % | 30 % | 26 % | 28 % |
| Testing Time | 15 hr | |||
| Testing Temperature | 620 degC |
| Current | Deposition Rate | Diameter | Voltage | Wire Feed Speed | ||||
| 60-200 A | 0.8-2.3 kg/h | - | 0.8 mm | - | - | - | 18-24 V | 0.8-2.3 m/min |
| 80-300 A | 1.0-5.5 kg/h | - | 1.0 mm | - | - | - | 18-32 V | 1.0-5.5 m/min |
| 120-380 A | 1.3-8.0 kg/h | - | 1.2 mm | - | - | - | 18-35 V | 1.3-8.0 m/min |
| 30-100 A | 0.7-1.7 kg/h | - | 0.6 mm | - | - | - | 15-20 V | 0.7-1.7 m/min |
| 225-550 A | 2.1-9.4 kg/h | - | 1.6 mm | - | - | - | 28-38 V | 2.1-9.4 m/min |
| 70-250 A | 0.9-3.5 kg/h | - | 0.9 mm | - | - | - | 18-26 V | 0.9-3.5 m/min |
| 100-350 A | 1.2-7.0 kg/h | - | 1.14 mm | - | - | - | 18-34 V | 1.2-7.0 m/min |
| 130-400 A | 1.5-8.5 kg/h | - | 1.32 mm | - | - | - | 19-35 V | 1.5-8.5 m/min |
| 150-420 A | 1.6-8.7 kg/h | - | 1.4 mm | - | - | - | 22-36 V | 1.6-8.7 m/min |
| 300-650 A | 4.4-10.2 kg/h | - | 2.0 mm | - | - | - | 32-44 V | 4.4-10.2 m/min |
| Weld Metal | EN ISO 14341-A : G 38 3 C1 3Si1 EN ISO 14341-A : G 42 4 M21 3Si1 |
| Wire Electrode | EN ISO 14341-A : G 3Si1 SFA/AWS A5.18 : ER70S-6 |
| Weld Metal | EN ISO 14341-A : G 42 4 M20 3Si1 |
| Wire Electrode | JIS Z 3312 : YGW 12(C1) CSA W48 : B-G 49A 3 C1 S6 |
| Approvals | ABS 3YSA PV,ZG : CWB B-G 49A 3 C1 S6 |
| Approvals are based on factory location. Please contact ESAB for more information. |
| Alloy Type | Carbon-manganese steel (Mn/Si-alloyed) |
| Wire Composition | ||||||||||||||
| C | Mn | Si | ||||||||||||
| 0.078 % | 1.46 % | 0.85 % | ||||||||||||
