UNILOY 620
Low-temperature, high-alloy electrode for strong, ductile, corrosion- and heat resistant welds on a wide range of steels, including stainless steel.
PRODUCT DESCRIPTION:
• High-alloy formulation for versatile joining and overlays.
• Suitable for medium/high carbon steels, low/medium/ high alloy steels.
• Ideal for stainless steel-carbon steel joining & cladding
• Provides high tensile strength, ductility, and resistance to heat and corrosion.
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
TIP COLOR
SKY BLUE
COATING COLOR
LIGHT GREY
| 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.
• High strength and crack resistance.
• High tensile strength & ductility
• 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.
• Steel Gear rebuilding




