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Electrodes for Creep Resisting Steels
CROMOTHERME-20 Mo
AWS: SFA 5.5 E9018-G
EN ISO CODE:
Cromotherme-20Mo is a low hydrogen iron power type electrode yielding a weld deposit containing 1.25 Cr - 1.0 Mo - 0.25 V. The electrode produces stable and steady arc, easy striking and re-striking. The slag is easily detachable. The welds are of radiographic quality. Ideal for welding Cr – Mo - V steels of similar compositions, filling up work on alloy castings of similar compositions e.g. GS17CrMoV510. The weld metal possesses excellent room temperature and elevated temperature properties.
Approvals
CIB-MP
CHEMICAL COMPOSITION OF ALL WELD METAL (%)
| Element | C | Mn | Si |
S |
P | Cr | Ni | Mo | V |
| Percent | 0.12 | 0.70 | 0.30 | 0.013 | 0.015 | 1.25 | 0.20 | 1.00 | 0.25 |
MECHANICAL PROPERTIES OF ALL WELD METAL
(PWHT : 690°C FOR 1 HR)
| UTS | YS | Elongation | CVN Impact Strength (J) |
| (MPa) | (MPa) | (L= 4d)% | at minus 20°C (J) |
| 720 | 620 | 21.0 | 50 |
CURRENT AND PACKING DATA: DC (+)
| Size (mm) | 5x450 | 4x450 | 3.15x450 | 2.15x350 |
| Current Range (Amps) | 180-240 | 140-180 | 100-140 | 70-100 |
| Qty. (Pcs./Carton) | 35 | 55 | 75 | 100 |
Electrodes for Creep Resisting Steels
