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Nimotherme-NM1 is a low-hydrogen electrode, which contains about 1% Nickel and 0.5% Molybdenum. This electrode can be welded without PWHT. Some typical applications include the welding of similar composition high-strength low-alloy or microalloyed structural steels.
1. Re-dry the electrodes at 250-300°C for one hour, as per our standard recommended practice.
2. Use short arc, stringer bead, and smallest size of electrode, minimum current to ensure minimum heat input.
|UTS||YS||Elongation||CVN Impact Strength (J)|
|(MPa)||(MPa)||(L= 4d)%||at Minus 40°C|
|Current Range (Amps)||220-280||160-200||100-140||80-100|