ER CuSi-A Welding Wire | McMaster-Carr

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1,134 Products

MIG Welding Wire

MIG Welding Wire for Steel

MIG Welding Wire for Steel

Join steel together

MIG Welding Wire for Thin-Gauge Steel

MIG Welding Wire for Thin-Gauge Steel

Use on thin-gauge steel such as sheet metal

High-Strength MIG Welding Wire for Steel

High-Strength MIG Welding Wire for Steel

Create stronger welds than standard MIG welding wire for steel

Fast-Deposit MIG Welding Wire for Steel

Fast-Deposit MIG Welding Wire for Steel

Melt quickly for fast welding

MIG Welding Wire for Vertical and Overhead Welding on Steel

MIG Welding Wire for Vertical and Overhead Welding on Steel

Weld steel in all positions, including vertical and overhead

Wear-Resistant MIG Welding Wire for Steel

Wear-Resistant MIG Welding Wire for Steel

Increase the abrasion resistance of base metals or restore worn surfaces

MIG Welding Wire for Stainless Steel

MIG Welding Wire for Stainless Steel

Join stainless steel

MIG Welding Wire for Joining Dissimilar Metals

MIG Welding Wire for Joining Dissimilar Metals

Join different metals, such as cast iron, carbon steels, and copper

MIG Welding Wire for Joining Copper to Steel

MIG Welding Wire for Joining Copper to Steel

Join copper, copper-silicon, and copper-zinc to themselves and to steel

MIG Welding Wire for Aluminum

MIG Welding Wire for Aluminum

Fuse aluminum pieces togther

High-Strength MIG Welding Wire for Aluminum

High-Strength MIG Welding Wire for Aluminum

Creates 40% stronger welds than standard welding wire for aluminum

MIG Welding Wire for Nickel

MIG Welding Wire for Nickel

Join nickel alloys to themselves and to stainless steel and steel

MIG Welding Wire for Copper, Brass, and Bronze

MIG Welding Wire for Copper, Brass, and Bronze

Join copper, brass, or bronze

MIG Welding Wire for Bronze

MIG Welding Wire for Bronze

Join bronze together

MIG Welding Wire for Cast Iron

MIG Welding Wire for Cast Iron

Repair and join cast iron

Other Products

TIG Welding Rods

TIG Welding Rods

Add extra metal while TIG welding to help flatten welds and hold workpieces together

Electrical Cable

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

Solder

Join pieces of metal without melting the base material

Brazing Alloys

Form stronger bonds between metal parts than solder without melting the base material

TIG Welding Rod Feeders

TIG Welding Rod Feeders

Advance TIG rods for controlled welds

Welding Cables

Quickly connect your welder to an electrode or other component, or ground your setup

Welding Rod Carriers

Welding Rod Carriers

Store, protect, and organize TIG welding rods, tungsten electrodes, and stick electrodes

Soldering Flux

Clean and prepare surfaces for soldering

Brazing Flux

Clean and prepare metal surfaces for brazing

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Brazing Stop-Off

Brazing Stop-Off

Keep flux and metal from flowing into unwanted areas while brazing

Solder Wire Feeders

Solder Wire Feeders

Feed precise amounts of wire to the tip of your iron for efficient soldering

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)