MIG Wire 316LSi Stainless Steel 1.6mm 15kg Spool

Premium Low-Carbon Stainless Steel MIG Welding Wire for Superior Corrosion Resistance

Product Overview

This 316LSi stainless steel MIG welding wire (1.6mm diameter, 15kg spool) is engineered for high-performance welding of austenitic stainless steels in demanding industrial, marine, and food-grade applications. The "LSi" designation indicates a low-carbon, silicon-enhanced formulation that delivers smoother arc characteristics, improved bead wetting, and reduced spatter compared to standard 316L wire — making it a top choice for welders who need consistent, high-quality welds on stainless steel fabrications.

Key Features

• 316LSi Grade Composition – Low carbon content (=0.03%) minimizes carbide precipitation and chromium depletion at grain boundaries, significantly reducing the risk of intergranular corrosion in heat-affected zones
• Silicon-Enhanced Formula – Higher silicon content improves weld pool fluidity, arc stability, and bead appearance, even on wire brush-cleaned or lightly oxidized surfaces
• 1.6mm Diameter – Ideal for medium-to-thick section welding, offering higher deposition rates while maintaining excellent control
• 15kg Spool (Bulk Pack) – Reduces downtime from spool changes, ideal for production welding, fabrication shops, and long-run projects
• Molybdenum Alloyed – Contains 2-3% molybdenum for enhanced resistance to pitting and crevice corrosion, particularly in chloride-rich environments

Typical Applications

• Marine and offshore equipment fabrication
• Chemical processing and petrochemical plant components
• Food, beverage, brewing, and pharmaceutical equipment
• Pulp and paper industry machinery
• Architectural stainless steel structures
• Pipe, tank, and pressure vessel welding
• General fabrication requiring 316/316L stainless steel joining

Compatible Base Metals

Suitable for welding 316, 316L, and 317L stainless steel grades, commonly used where superior corrosion resistance to chlorides and industrial chemicals is required.

Why Choose 316LSi Over Standard 316L Wire?

The added silicon content in 316LSi wire produces a more fluid weld pool that flows better into the joint, resulting in flatter, smoother beads with less undercut. This makes it particularly well-suited for MIG (GMAW) welding with pulsed or spray transfer modes, and it performs reliably across a wider range of shielding gas mixtures (typically 98% Argon / 2% CO2 or similar low-oxidizing blends).

Specifications

Storage & Handling Tips

Store in a dry, temperature-controlled environment to prevent moisture absorption and surface oxidation, which can affect arc performance and weld quality. Keep spools sealed in original packaging until ready for use.

This product is priced “per KG”. The minimum quantity available to purchase is shown in the "Pack Qty".