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F6A2-EL12 F7AO-EM12K
Conforming to:GB/T5293 S43S0CS-SU08A S49SOCS-SU26
Equivalent to:AWS-A5.17 F6A0-EL12 F7AO-EM12K DIN BSC 198AC10SKM
Universal flux, when used with appropriate submerged arc welding wire (such as EM12, EM12K, EL8, etc.), can be used to weld ordinary structural steel and boiler steel. The weld bead is smooth, the weld interface is flat, there is no undercut, the arc is stable, the slag is easy to remove, and there is no slag flow. It can be used for multi-pass welding and multi-wire welding, and is especially suitable for welding pipes of various calibers.
SiOz+TiO | CaO+MgO | MnO+Al₂O₃ | CaF₂ | S | P |
25-35 | 15-25 | 30-40 | 5-15 | ≤0.035 | ≤0.04 |
Wire matched | Yield Strength MPa | Tensile Strength MPa | Elongation (%) | AKV(J) | |
|
|
|
| 0 | -20℃ |
SU08A | ≥330 | 430-600 | ≥20 | ≥50 | ≥27 |
SU26 | ≥390 | 490-670 | ≥18 | ≥50 | ≥27 |
EL12 | ≥330 | 415-550 | ≥22 | ≥50 |
|
EM12K | ≥400 | 480-650 | ≥22 | ≥50 | |
1. The flux must be baked at 300-350℃ for 2h before use.
2. Before welding, remove rust, oil, moisture and other impurities on the weldment.
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