Electrodes for Creep Resisting Steels
CROMOTHERME-5
AWS: SFA 5.5 E8018-B6
EN ISO CODE: 3580-A E CrMo5 B 4 2
Low hydrogen, iron powder electrode producing a weld deposit containing 5Cr - 0.5 o Mo, which has excellent creep resistance at elevated temperatures up to 550 C. Typical applications include welding of 4-6% Cr steels in oil refinery, chemical plant and equipment.
Approvals
BHEL
CE
EIL
CHEMICAL COMPOSITION OF ALL WELD METAL (%)
| Element | C | Mn | Si | Cr | Mo | S | P |
| Percent | 0.06 | 0.90 | 0.40 | 5.20 | 0.50 | 0.020 | 0.020 |
MECHANICAL PROPERTIES OF ALL WELD METAL
(PWHT : 740 C FOR 1 HR)
| UTS | YS | Elongation | CVN Impact Strength (J) | Creep Strength |
| (MPa) | (MPa) | (L= 5d)% | at RT | at 550°C (1% offset in 10,000 hrs) |
| 614 | 505 | 22.0 | 60 | 7 kgf/mm² |
CURRENT AND PACKING DATA: DC (+)
| Size (mm) | 6.3x450 | 5x450 | 4x350 | 3.15x350 | 2.5x350 |
| Current Range (Amps) | 240-300 | 180-240 | 140-180 | 100-130 | 70-100 |
| Qty. (Pcs./Carton) | 25 | 35 | 55 | 75 | 125 |
Electrodes for Creep Resisting Steels
