LoTherme - 541
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For Copper & Copper Alloys

LoTherme - 541

Low heat input electrode for extreme thermal shock resistance, high temperature, and cryogenic applications.

Characteristics

LoTherme-541 produces high-quality Nickel alloy deposits exhibiting sustained creep properties for a multiple number of years. It operates in all conventional positions. Excellent weld finish, steady arc, and good slag remove-ability.

Applications

LoTherme-541 is specially designed for joining and surfacing of Nickel & Nickel Alloys, Inconel alloys, Ni-Cr-Fe based materials, 9% Ni Steels for cryogenic applications, for very high-temperature applications and applications of extreme thermal cycles. It is recommended for welding different steels, such as austenitic to ferrite steels, as well as for cladding on unalloyed and low-alloyed steels. Typical applications include cement kiln rings, blast furnace components, reformer tubes, chemical containers & liquid gas installations.

Typical Mechanical Properties Of All Weld Metal


Ultimate Tensile Strength

630 MPa
Elongation (L=4d)
37%
CVN Impact Strength at RT
90 Joules
CVN Impact Strength at minus 196 deg C
60 Joules
Weld Metal Hardness
190 BHN


Welding Technique

Ensure that the electrodes are dried at 250°C for 2 hours before use. Clean the weld area free of rust, oil, grease, paint, or any other surface contamination. To ensure minimal heat input, use short arc and stringer bead technique.

Current Conditions : DC(+)


Size (mm)

Dia x Length

5x350
4x350
3.15x350
2.5x350
Current Range (Amps)
150-180
110-140
80-100
50-70


For Copper & Copper Alloys

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