Welding wire is a crucial consumable product in various welding processes, serving as both the electrode and filler material. It acts as a conduit for electric current, allowing the arc to generate enough heat to melt the wire and base metal, resulting in a strong, unified weld. Most commonly, welding wire comes in spools or coils and is fed through a welding gun during operation, including Spool applications.
Lincoln ED011280 Lincore 55 Flux-Cored FCAW-S Welding Wire, 7/64 in, 50 lb Coil
$448.65$498.50Unit price /UnavailableLINCORE® 55 Flux-Cored Self-Shielded Wire is designed for crane wheels, blower blades, rail ends, skip guides, cams and transfer tables applications (Metal to Metal or Metal to Earth Abrasion)
Lincoln ED014464 Innershield NR-311 Flux-Cored (FCAW-S) Welding Wire, 5/64 in, (4) 14 lb Coil
$471.74$524.16Unit price /UnavailableInnershield® NR®-311 from Lincoln Electric is designed for high deposition rates and fast travel speeds.
Lincoln ED011278 Lincore 55 Flux-Cored FCAW-S Welding Wire, 5/64 in, 50 lb Coil
$459.45$510.50Unit price /UnavailableLINCORE® 55 Flux-Cored Self-Shielded Wire is designed for crane wheels, blower blades, rail ends, skip guides, cams and transfer tables applications (Metal to Metal or Metal to Earth Abrasion)
Lincoln ED014459 Innershield NR-311 Flux-Cored (FCAW-S) Welding Wire, 5/64 in, 50 lb Coil
$369.90$411.00Unit price /UnavailableInnershield® NR®-311 from Lincoln Electric is designed for high deposition rates and fast travel speeds.
Lincoln ED011277 Lincore 55 Flux-Cored FCAW-S Welding Wire, 5/64 in, 4 14 lb Coils
$541.30$601.44Unit price /UnavailableLINCORE® 55 Flux-Cored Self-Shielded Wire is designed for crane wheels, blower blades, rail ends, skip guides, cams and transfer tables applications (Metal to Metal or Metal to Earth Abrasion)
Lincoln ED011275 Lincore 50 Flux-Cored FCAW-S Welding Wire, 7/64 in, 50 lb Coil
$599.85$666.50Unit price /UnavailableLINCORE® 50 Flux-Cored Self-Shielded Wire is designed for crusher rolls, dredge cutter teeth, ore chute baffles, muller plows, tires and coal mining cutting teeth applications (Metal to Earth)
Lincoln ED011274 Lincore 50 Flux-Cored FCAW-S Welding Wire, 7/64 in, 125 lb Speed Feed Drum
$1,561.50$1,735.00Unit price /UnavailableLINCORE® 50 Flux-Cored Self-Shielded Wire is designed for crusher rolls, dredge cutter teeth, ore chute baffles, muller plows, tires and coal mining cutting teeth applications (Metal to Earth)
Lincoln ED011240 Lincore 33 Flux-Cored (FCAW-S) Welding Wire, 7/64 in, 50 lb Coil
$465.30$517.00Unit price /UnavailableLINCORE® 33 Flux-Cored Wire is ideal for rebuilding worn parts to near final dimensions before applying final hardfacing layers which are more wear resistant, Use for build-up of steel mill parts such as rougher couplings and Build-up deposit on carbon steel and low alloy steel base metals (Build-Up)
Lincoln ED011238 Lincore 33 Flux-Cored (FCAW-S) Welding Wire, 5/64 in, 50 lb Coil
$475.65$528.50Unit price /UnavailableLINCORE® 33 Flux-Cored Wire is ideal for rebuilding worn parts to near final dimensions before applying final hardfacing layers which are more wear resistant, Use for build-up of steel mill parts such as rougher couplings and Build-up deposit on carbon steel and low alloy steel base metals (Build-Up)
Lincoln ED011237 Lincore 33 Flux-Cored (FCAW-S) Welding Wire, 5/64 in, (4) 14 lb Coil
$519.62$577.36Unit price /UnavailableLINCORE® 33 Flux-Cored Wire is ideal for rebuilding worn parts to near final dimensions before applying final hardfacing layers which are more wear resistant, Use for build-up of steel mill parts such as rougher couplings and Build-up deposit on carbon steel and low alloy steel base metals (Build-Up)
Lincoln ED011200 Lincore 30-S Metal-Cored Submerged Arc SAW Welding Wire, 3/32 in, 50 lb Coil
$415.80$462.00Unit price /UnavailableLINCORE® 30-S Metal-Cored Submerged Arc Wire is Ideal for automatic, semiautomatic on mild and low alloy steels intended for build-up before final overlay, and as a final surface for metal-to-metal wear with moderate impact(Build-up)
$4,924.80$5,472.00Unit price /UnavailableLINCORE® 30-S Metal-Cored Submerged Arc Wire is Ideal for automatic, semiautomatic on mild and low alloy steels intended for build-up before final overlay, and as a final surface for metal-to-metal wear with moderate impact (Build-up)
Lincoln ED011164 Lincore M Flux-Cored FCAW-S Welding Wire, 7/64 in, 50 lb Coil
$499.05$554.50Unit price /UnavailableLINCORE® M Flux-Cored Self-Shielded Wire produces an austenitic manganese deposit on hammers, dredge parts, crushers, breaker bars and buckets applications. (Build Up and Joining)
Lincoln ED011163 Lincore M Flux-Cored FCAW-S Welding Wire, 7/64 in, 125 lb Speed Feed Drum
$5,256.00$5,840.00Unit price /UnavailableLINCORE® M Flux-Cored Self-Shielded Wire produces an austenitic manganese deposit on hammers, dredge parts, crushers, breaker bars and buckets applications. (Build Up and Joining)
Lincoln ED011162 Lincore M Flux-Cored FCAW-S Welding Wire, 7/64 in, 600 lb Speed Feed Drum
$23,198.40$25,776.00Unit price /UnavailableLINCORE® M Flux-Cored Self-Shielded Wire produces an austenitic manganese deposit on hammers, dredge parts, crushers, breaker bars and buckets applications. (Build Up and Joining)
Lincoln ED011160 Lincore M Flux-Cored FCAW-S Welding Wire, 5/64 in, 50 lb Coil
$565.20$628.00Unit price /UnavailableLINCORE® M Flux-Cored Self-Shielded Wire produces an austenitic manganese deposit on hammers, dredge parts, crushers, breaker bars and buckets applications. (Build Up and Joining)
Top Types of Welding Wire You Need to Know
Welding wire plays a critical role in MIG welding, helping to create strong, reliable joints between metals. Choosing the right wire—like solid wire, flux core, or silicon bronze—is key to achieving quality welds with minimal cleanup.
What Is Welding Wire?
Welding wire serves as both an electrode and filler metal, melting to fuse metal pieces during welding. In MIG welding, the right wire ensures proper penetration, low spatter, and a smooth bead.
Main Types:
-
Solid MIG wire – Requires external shielding gas; ideal for clean, aesthetic welds.
-
Flux core wire – Self-shielding; perfect for outdoor jobs and rusty surfaces.
Solid Wire: Clean and Precise Welds
Solid wire is a go-to for clean, professional-looking welds. Often copper-coated, it provides:
-
Low spatter
-
Precise control
-
Ideal for thin materials like stainless steel or aluminum
Common Uses:
-
Automotive bodywork
-
Fabrication shops
-
Construction
Popular types include ER70S-3 for clean steel and ER70S-6 for dirty or rusty metals.
Flux Core Wire: Built for Tough Conditions
Flux core wire contains a flux that protects the weld pool without the need for shielding gas. This makes it:
-
Ideal for outdoor and windy environments
-
Suitable for repair work on dirty or rusty surfaces
Best Practices:
-
Clean surfaces when possible
-
Maintain proper gun angle
-
Use correct voltage and wire feed speed
Silicon Bronze MIG Wire
Silicon bronze wire is used for brazing or welding dissimilar metals. It offers:
-
High corrosion resistance
-
Excellent flow characteristics
-
Use in automotive, HVAC, and light fabrication
Choosing the Right MIG Wire
When selecting MIG wire, consider:
-
Material type (steel, stainless, aluminum)
-
Wire diameter based on material thickness
-
Welding position (flat, overhead, vertical)
Brands like Lincoln Electric and Blue Demon are known for low spatter and porosity-free welds.
Pipe Welding Tools and Precision
In pipe welding, precision is everything. Using the correct tools—such as pipe cutters, pipe stands, and beveling machines—helps ensure weld integrity. Mathey Dearman offers trusted equipment for pipe alignment, cutting, and reforming.
Storage & Maintenance Tips
-
Store wire in dry, airtight containers
-
Avoid moisture exposure
-
Regularly inspect your MIG gun and wire feed mechanism
Summary
Choosing the best welding wire—whether flux core, solid wire, or silicon bronze—directly impacts weld quality. By understanding wire types and best practices, welders can produce durable, clean, and reliable welds across various applications.
FAQs
What is the difference between solid MIG wire and flux core wire?
Solid MIG wire requires shielding gas and is best for clean environments. Flux core is self-shielding, ideal for outdoor use.How do I pick the right wire diameter?
Match wire size to your base material’s thickness. Thicker metals need larger diameters for better penetration.How do I prevent porosity in MIG welding?
Use clean wire, proper shielding gas, and correct technique. Deoxidizers in wire (like manganese and silicon) help ensure porosity-free welds.What’s the benefit of low spatter wire?
Less cleanup, improved bead appearance, and more efficient welding.What safety gear should I use?
Flame-resistant clothing, welding helmets, gloves, and steel-toed boots are essential.Top Types of Welding Wire You Need to Know
Welding wire plays a critical role in MIG welding, helping to create strong, reliable joints between metals. Choosing the right wire—like solid wire, flux core, or silicon bronze—is key to achieving quality welds with minimal cleanup.
What Is Welding Wire?
Welding wire serves as both an electrode and filler metal, melting to fuse metal pieces during welding. In MIG welding, the right wire ensures proper penetration, low spatter, and a smooth bead.
Main Types:
-
Solid MIG wire – Requires external shielding gas; ideal for clean, aesthetic welds.
-
Flux core wire – Self-shielding; perfect for outdoor jobs and rusty surfaces.
Solid Wire: Clean and Precise Welds
Solid wire is a go-to for clean, professional-looking welds. Often copper-coated, it provides:
-
Low spatter
-
Precise control
-
Ideal for thin materials like stainless steel or aluminum
Common Uses:
-
Automotive bodywork
-
Fabrication shops
-
Construction
Popular types include ER70S-3 for clean steel and ER70S-6 for dirty or rusty metals.
Flux Core Wire: Built for Tough Conditions
Flux core wire contains a flux that protects the weld pool without the need for shielding gas. This makes it:
-
Ideal for outdoor and windy environments
-
Suitable for repair work on dirty or rusty surfaces
Best Practices:
-
Clean surfaces when possible
-
Maintain proper gun angle
-
Use correct voltage and wire feed speed
Silicon Bronze MIG Wire
Silicon bronze wire is used for brazing or welding dissimilar metals. It offers:
-
High corrosion resistance
-
Excellent flow characteristics
-
Use in automotive, HVAC, and light fabrication
Choosing the Right MIG Wire
When selecting MIG wire, consider:
-
Material type (steel, stainless, aluminum)
-
Wire diameter based on material thickness
-
Welding position (flat, overhead, vertical)
Brands like Lincoln Electric and Blue Demon are known for low spatter and porosity-free welds.
Pipe Welding Tools and Precision
In pipe welding, precision is everything. Using the correct tools—such as pipe cutters, pipe stands, and beveling machines—helps ensure weld integrity. Mathey Dearman offers trusted equipment for pipe alignment, cutting, and reforming.
Storage & Maintenance Tips
-
Store wire in dry, airtight containers
-
Avoid moisture exposure
-
Regularly inspect your MIG gun and wire feed mechanism
Summary
Choosing the best welding wire—whether flux core, solid wire, or silicon bronze—directly impacts weld quality. By understanding wire types and best practices, welders can produce durable, clean, and reliable welds across various applications.
FAQs
What is the difference between solid MIG wire and flux core wire?
Solid MIG wire requires shielding gas and is best for clean environments. Flux core is self-shielding, ideal for outdoor use.How do I pick the right wire diameter?
Match wire size to your base material’s thickness. Thicker metals need larger diameters for better penetration.How do I prevent porosity in MIG welding?
Use clean wire, proper shielding gas, and correct technique. Deoxidizers in wire (like manganese and silicon) help ensure porosity-free welds.What’s the benefit of low spatter wire?
Less cleanup, improved bead appearance, and more efficient welding.What safety gear should I use?
Flame-resistant clothing, welding helmets, gloves, and steel-toed boots are essential.
