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Cromotherme-5 (MOD) is a basic coated, low hydrogen type electrode depositing a weld metal with 5Cr-0.5Mo ideally suited for welding of creep resisting steels of similar composition where superior notch toughness required at sub-zero temperatures. The weld metal possesses excellent creep properties up to 550°C. Typical applications include welding of 5Cr-0.5Mo steels in oil refinery, chemical plant, and equipments. Specifically applicable wherever prolonged heat treatments are involved.
1. Ensure the electrodes are dry. Re-dry the electrodes at 300°C for 2 hours.
2. Use short arc, low current and stringer beads.
NOTE: Low carbon version Cromotherme-5L (MOD) conforming to AWS: E8018 B6L is also available.
|UTS||YS||Elongation||CVN Impact Strength (J)||Creep Strength|
|(MPa)||(MPa)||(L= 5d)%||at Minus 30°C||at 550°C (1% offset in 10,000 hrs)|
|Current Range (Amps)||180-240||140-180||100-130||70-100|