LoTherme-515N
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For Nickel & Nickel Alloys

LoTherme-515N

Extreme Corrosion resistance electrode with high Nickel content.

Characteristics

LoTherme-515 N electrode is weld-able in all positions, except vertical down. Stable arc, good slag remove-ability. The seam is finely rippled and notch-free. It gives a fully austenitic weld metal without hot cracks, not prone to embrittlement either at high or low temperatures.

Applications

LoTherme-515 N is recommended for cold-tough steels up to 9% Ni and working temperatures down to minus 196°C, particularly where the welded joint has to undergo hot deformation or stress relieving. Cold tough austenitic Cr - Ni steels can also be welded with LoTherme-515 N. This electrode is also suitable for joining different materials, such as austenitic to ferritic stainless steel, steels to Nickel alloys and steels to Copper alloys.

Typical Mechanical Properties Of All Weld Metal

ULTIMATE TENSILE STRENGTH : 63 Kgf/mm2

ELONGATION (L=4d) : 35 %

CVN IMPACT STRENGTH (@RT) : 85 Joules

-------"----- (at Minus 196°C) : 55 Joules

Welding Technique

Ensure that the electrodes are dry. In case of moisture pick-up, dry the electrodes 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)
5x350
4x350
3.15x350
2.5x350
Current Range (Amps)
160-200
120-160
80-120
60-90


For Nickel & Nickel Alloys

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