LoTherme-702
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For Cast Iron Alloys

LoTherme-702

A low heat input, Ni-Cu alloy (Monel) type electrode for machinable welding of cast iron.

Characteristics

LoTherme-702 is a nickel-copper alloy electrode for low heat input welding of cast iron without preheating. The welds are sound, strong and easily machinable. The electrode displays a soft and steady arc, which is easy to strike and re-strike and ability to operate on low currents.

Applications

LoTherme-702 is suited for joining of broken cast iron parts, repairing defects in cast iron foundry and repairs of fractured iron parts in all welding positions. Typical applications include rebuilding of worn out surface, gear teeth, pump impellers, etc.

Typical Mechanical Properties Of All Weld Metal

Ultimate Tensile Strength : 335 MPa

Weld Metal Hardness : 160 BHN

Welding Technique

Re-dry the electrode at 150°C for one hour before use. Clean the base material thoroughly free of any surface contamination. Use short weld runs followed by peening. In case of repair welding on castings, remove entire defective portion to sound metal prior to welding.

Current Conditions : AC/DC (+)


Size (mm)

Dia x Length

5x350
4x350
3.15x350
2.5x350
Current Range (Amps)
140-170
100-130
80-100
50-70


For Cast Iron Alloys

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