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UNILOY 620

UNILOY 620

Low-temperature, high-alloy electrode for strong, ductile, corrosion- and heatresistant welds on a wide range of steels, including dissimilar stainless joints.

PRODUCT DESCRIPTION:

• High-alloy formulation for versatile joining and overlays.
• Suitable for medium/high carbon steels, low/medium/ high alloy steels.
• Ideal for stainless-to-carbon steel and other dissimilar joints.
• Provides high tensile strength, ductility, and resistance to heat and corrosion.

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Applications

STANDARD:

ASME Sec-II-C, AWS-SFA-5.4, E309L (Mod)

ALLOYING ELEMENTS:

C, Si, Mn, Cr, Ni

TENSILE STRENGTH:

68 kgf/mm2 (Min)

ELONGATION:

30%

PACKAGE SIZES:

5 KG – 20 KG

 

Size Welding Amperage
3.15 mm 90-110 A
4.00 mm 100-140 A
5.00 mm 140-190 A

Product Specification

• Works well on restrained joints.
• Low-temperature operation reduces distortion.
• High strength and crack resistance.
• Excellent heat and corrosion performance.

• Special Cr-Ni-Mo alloy blend ensuring high ductility and corrosion resistance.
• Optimized for dissimilar metal compatibility.

• Degrease to remove oil/grease.
• Gouge or grind out cracks, damaged, fatigued metal.
• Use AC or DC+ polarity, hold short arc.
• Apply short skip welding with staggered stringer beads.
• Chip slag between passes, peen while hot.
• Preheat only for very heavy sections.

• Track pads, furnace parts, bucket repairs.
• Cooler plates, apron feeder pans.

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