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For Carbon and Low Alloy Steels

LoTherme-355

An extra low hydrogen low heat input electrode depositing a low steel weld metal. Extra high strength facilitates welding of critical jobs.

Characteristics

LoTherme-355 is an extra low hydrogen low heat input electrode depositing a low alloy steel, high strength weld metal ideal for maintenance and repair welding of Cr- Ni -Mo high strength low alloy steels, case hardened steels, heat-treated steels, etc. The extra low hydrogen helps in preventing cold cracks.

Applications

Ideal for maintenance and repair welding of high strength steels, case hardened steels, heat-treated steels, etc. Typical applications include welding of rolls, shafts, gear wheels, etc.

Typical Mechanical Properties Of All Weld Metal

ULTIMATE TENSILE STRENGTH : 78 kgf/mm2

ELONGATION (L=4d) : 20 %

Welding Technique

Redry the electrodes at 350°C for 2 hours. Clean the weld area free of all contaminants. In case of the case hardened materials, the case depth should be removed before welding. Depending on the base material, a suitable procedure should be evolved for reclamation.

Current Conditions : DC (+) /AC


Size (mm)
5x350
4x350
3.15x350
2.5x350
Current Range (Amps)
150-170
110-140
80-120
50-70