TIG Filler Wire – Silicon Bronze, 3.2mm

Premium Silicon Bronze TIG Welding Rod – 3.2mm (1/8") Diameter

Product Overview

This 3.2mm Silicon Bronze TIG filler wire is engineered for high-quality, low-fume welding and brazing of copper alloys, brass, bronze, and galvanized or coated steels. Its excellent fluidity and low melting point make it a top choice for joining dissimilar metals, sheet metal fabrication, and automotive body repair — especially on thin-gauge panels where heat control is critical.

Key Features

• Diameter: 3.2mm (1/8 inch) for medium-to-heavy gauge applications
• Alloy Composition: Silicon bronze (copper-silicon alloy, typically ERCuSi-A per AWS A5.7)
• Low Fuming, Low Spatter: Produces clean welds with minimal smoke
• Excellent Wetting & Flow: Smooth puddle control for braze welding and fusion joints
• Corrosion Resistant: Strong resistance to saltwater, atmospheric, and chemical corrosion
• Versatile Compatibility: Ideal for joining copper, brass, bronze, galvanized steel, and dissimilar metal combinations

Common Applications

• Automotive bodywork and panel repair (braze welding)
• Sheet metal fabrication and HVAC ductwork
• Marine and plumbing components
• Art and sculpture fabrication
• Joining galvanized steel without burning off zinc coating
• General TIG brazing on thin materials

Why Choose Silicon Bronze Filler Wire?

Silicon bronze filler wire is prized by welders and metal fabricators for its ability to create strong, ductile, corrosion-resistant joints at lower temperatures than steel filler wires. This reduces warping and burn-through on thin metals, making it a go-to choice for auto body shops, HVAC technicians, and hobbyist metalworkers alike.

Specifications

Use with 100% Argon or 25%/75% Argon/Helium shielding gas. This product is priced “per KG”. The minimum quantity available to purchase is shown in the "Pack Qty".