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Molytherme is a low hydrogen iron powder type electrode yielding a weld deposit containing 0.5%Mo. Ideal for welding creep resistant C-Mo steels for service temperatures up to 525°C. Typical applications include boilers, pressure vessels, pipes and tubes of similar composition.
1. Ensure the electrodes are dry. Re-dry the electrodes at 300°C for 2 hours.
2. Use short arc and stringer bead.
Element | C | Mn | Si | S | P | Mo |
Percent | 0.06 | 0.80 | 0.42 | 0.020 | 0.025 | 0.52 |
UTS | YS | Elongation | CVN Impact Strength (J) | Creep Strength |
(MPa) | (MPa) | (L= 5d)% | at Minus 20°C | at (1% offset in 10,000 hrs) |
535 | 455 | 28.0 | 140 | at 525°C 12.5 kgf/mm2 |
DIFFUSIBLE HYDROGEN CONTENT: 5 ml/100 gms of weld metal Max.
MOISTURE CONTENT: 0.40% Max.
Size (mm) | 6.3x450 | 5x450 | 4x350 | 3.15x350 | 2.5x350 |
Current Range (Amps) | 270-340 | 170-240 | 140-170 | 90-120 | 70-90 |
Qty. (Pcs./Carton) | 25 | 35 | 55 | 75 | 125 |