E41 Cast Iron Stick Welding Electrodes
Each 1lb sleeve of 1/8" (3.2mm) contains approx. 14-16 stick welding rods (Length 12”)
For joining cast iron to steel. MapleWeld E41 is a ferronickel cored electrode for welding grey, nodular and alloyed cast iron. Due to the higher tensile strength and ductility, satisfactory welds can be made on heavy or highly stressed section. It can be used for joining cast iron to steel and to stainless steel. The special formulation allows high currents without fear of the coating turning red. The possibility to use straight polarity without danger of cracking guarantees full penetration and very strong welds also on the steel side. Thanks to the pulsating arc, it can be used in all positions (vertical down and up, overhead). Fully machinable. Sound and dense deposit. Applications include repairing heavy sections of grey and alloyed cast irons, SG iron, meehanite. Machine bases, motor blocks, gear cases, cast iron dies, pumps. Repairing casting defects with good color match. Use A.C. or D.C., straight polarity. The pulsating arc provides for alternately a phase where only heat is created and a phase where a droplet is projected on the cast iron. During a forward motion in the direction of travel, the heat of the arc in phase one burns out any oil or grease of the workpiece. During the following backward motion the droplet is deposited mainly on the previous deposit. Peen the deposit after every pass to reduce stress-buildup.
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