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101006 - ER316LSi Stainless Steel MIG Welding Wire, 0.035 in, 2 lb Spool

Packaging: 1of1
$21.60/lb $27.00/1of1 only $13.50/lbSave 37%

In stock

OVERVIEW

Smooth Feeding for Professional Stainless Results

Upgrade your welding projects with the ER316LSi Stainless Steel MIG Wire, specifically engineered to make stainless steel welding smoother and more forgiving. If you have ever struggled with sluggish weld puddles or lumpy beads when welding stainless, this wire is the solution. The "Si" in 316LSi stands for high silicon, a key ingredient that changes the surface tension of the molten metal. This allows the weld puddle to flow out like butter, wetting into the edges perfectly and leaving you with a professional-looking, flat bead that requires minimal grinding or polishing. It is an absolute game-changer for anyone fabricating cosmetic parts, boat railings, or custom kitchen equipment.

This 2-pound spool is the perfect size for portable MIG welders and spool guns, offering enough material for substantial repairs or small fabrication jobs without the bulk and weight of industrial drums. The 0.035-inch diameter is the versatile "goldilocks" size—thick enough to handle structural brackets and mounting plates, yet thin enough to manage sheet metal down to 16 gauge with the right settings. Because it is a 316L grade, it contains Molybdenum, giving your welds excellent protection against rust and corrosion, even in salty marine air or harsh chemical environments.

One of the biggest challenges with MIG welding stainless steel is wire feeding. Poorly wound spools can snag, causing burn-backs and frustration. This Central Wire product features precision layer winding, meaning every inch of wire is neatly stacked. This ensures smooth, drag-free feeding through your liner and contact tip, keeping your arc stable and your focus on the puddle, not the machine. Whether you are repairing a stainless exhaust system, building a brewing tank, or fixing marine hardware, this wire gives you the control and quality you need.

To get the best results, pair this wire with a Tri-mix gas (Helium/Argon/CO2) for the cleanest welds, or a standard Argon/CO2 (98%/2%) mix for general purpose work. The low carbon content protects your project from long-term corrosion failure, ensuring that your welds last as long as the base metal. Don't settle for standard wire when the High Silicon formula makes the job so much easier and the results so much better.

Additional Information
Brand:Central Wire
AWS Spec:ER316LSi
Diameter:0.035 in
Grade:316 HiSil
Packaging:2 lb Spool
Weld Process:MIG (GMAW)
Polarity:DC, DCEP
Material Composition:Stainless Steel 316LSi
Wire Diameter:0.035"
Wire Type:Solid
Shielding Gas Requirement:Argon/CO2 Mix, Tri-Mix (He/Ar/CO2)
Spool Size:2 lb
AWS Classification:ER316LSi
Applications:Food Processing, Marine, Chemical Tanks
Packaging Description:1of1

INCLUDED

  • 1 x 2 lb Spool of ER316LSi Stainless Steel MIG Wire (0.035" Diameter)

APPLICATIONS

  • Food and beverage processing equipment manufacturing
  • Marine fittings, boat rails, and deck hardware
  • Chemical and pharmaceutical storage tanks
  • Architectural stainless steel structures
  • Automotive exhaust systems and custom fabrication
  • Pulp and paper industry machinery

FAQ

The 'Si' stands for higher silicon content. This improves the wetting action of the weld puddle, allowing it to flow better and create a flatter, smoother bead compared to standard 316L.

For the best performance, a Tri-Mix gas (90% Helium, 7.5% Argon, 2.5% CO2) is recommended. Alternatively, a mixture of 98% Argon and 2% CO2 or Oxygen can be used for spray arc welding.

Yes, ER316LSi can be used to weld 304 stainless steel, and it will provide excellent corrosion resistance. However, 308L is the standard match for 304 if the extra molybdenum of 316 is not required.

This is a standard 2 lb spool, which typically has a diameter of approximately 4 inches (100mm) and a 5/8-inch arbor hole, fitting most spool guns and small MIG welders.

No, this is a solid MIG wire (GMAW) and requires an external shielding gas to protect the weld pool.

Use DCEP (Direct Current Electrode Positive), also known as Reverse Polarity, for solid stainless steel MIG wire.

The typical tensile strength for ER316LSi weld metal is approximately 85,000 psi (590 MPa), with a yield strength of around 58,000 psi.

The wire itself and the resulting weld are highly corrosion-resistant due to the Molybdenum content. However, proper cleaning and passivation after welding are recommended to remove heat tint and ensure maximum rust resistance.