Stainless Steel MIG Welding Wire
While it is essential to be productive, precise, and reliable in welding, Stainless Steel MIG Welding Wire is the top pick among professionals in the industry. Fortis Metals provides premium MIG wires for clean welds, stable performance, and durability. Contractors, fabricators, and manufacturers across the U.S. and internationally recommend choosing Fortis Metals as your partner in stainless steel MIG welding solutions.
Introduction to MIG Welding Wires
Metal Inert Gas (MIG) welding or Gas Metal Arc Welding (GMAW) is one of the most popular types of welding in the world. It's highly favored for its speed, efficiency, and for producing heavy-duty, clean welds that require little post-weld processing. The core of the procedure is the Mig Welding Wire.
Mig Wire is the electrode and filler material, pouring continuously from the gun to make a smooth weld of good quality. Good wire avoids welders from having to deal with porosity, brittle joints, and bad bead appearance.
At Fortis Metals, we supply stainless steel MIG welding wires that perform. Being a reliable U.S.-based company, we guarantee each spool is up to international standards for quality, providing welders with the assurance of producing consistent results in the most demanding environments.
Why Select Stainless Steel MIG Wire?
Not all filler metal is the same. Stainless Steel MIG Wire contains unique benefits that make it the best in the business choice for high-demanding industries:
- Durability & Strength – Forms welds that withstand mechanical stress and extended utilization.
- High Deposition Rate – Enables welders to work more efficiently and weld faster with no compromise in quality.
- Ease of Use – Easy feeding and stable arc minimize operator fatigue and rework.
- Corrosion Resistance – Essential in marine, chemical, and oil & gas environments where longevity is essential.
- Consistent Arc Performance – Uniform bead profiles and improved weld appearance.
From boat building to car manufacturing, Fortis Metals' Stainless Steel MIG Wire provides dependability and productivity where you need it.
Product Specifications of MIG Welding Wire
Every project requires precision at Fortis Metals, as we know. That is why we have a large variety of stainless steel MIG welding wires designed to cater to the unique needs of various industries.
Available Alloys
| AWS | 307si | 308H | 308L | 308LSi | 309L | 309LMo | 316LSi | 310 | 316L | 316LSi | 312 |
| W. Nr.(EN) | 1.4370 | 1.4316 | 1.4316 | 1.4316 | 1.4332 | 1.4559 | 1.4332 | 1.4842 | 1.4330 | 1.4330 | 1.4337 |
| AWS | 317 | 317L | 318Si | 347 | 347Si | 385 | 410 | 410NiMo | 420L | 630 |
| W. Nr.(EN) | 1.4449 | 1.4438 | 1.4576 | 1.4551 | 1.4551 | (20 25 5 Cu L) | (13) | (13 4) | 1.4028 | - |
| AWS | 409Nb | 430 | 430LNb | 430LNbTi | 430LNbW | 439 | 2209 | 2594 | NiCr-3 | NiCrMo-3 |
| W. Nr.(EN) | - | 1.4016 | 1.4511 | 1.4509 | 1.4511 | 1.4509 | (22 9 3 N L) | (25 9 4 N L) | 2.4806 | 2.4831 |
We offer customized chemical composition.
All of the alloys we offer are produced under strict quality control processes to support weld integrity and performance consistency.
Length & Diameter Options
Fortis Metals offers a range of wire sizes suitable for use in projects:
| MM | 0.60 | 0.80 | 0.90 | 1.00 | 1.20 | 1.60 |
| INCH | 0.025 | 0.030 | 0.035 | 0.040 | 0.045 | 0.062 |
- Spool Sizes – Shipped most commonly in 15kg (33 lb) and 20kg (44 lb) spools, and in larger reels or drums for business purposes.
- Special Option – Special diameters and spool sizes can be specifically ordered for specific applications.
This spectrum provides for whatever type of welding you may be doing, whether it's light fabrication or heavy industrial welding. Fortis Metals offers the wire you require for the task.
Packaging & Supply
We package our MIG wires for safety, convenience, and export shipping:
- Spools – Particularly designed for small- to medium-sized welding operations.
- Reels & Drums – Particularly designed for large-scale industrial and automated welding applications.
- Export-Friendly Packaging – Double-wrapped for safe handling and transportation.
This dedication to safe and secure packaging guarantees that products from us reach our U.S. clients as well as internationally in a pristine state.
Uses of MIG Welding Wire
The flexibility and efficiency of Mig Wire make it a necessity for a wide range of industries. Primary uses are:
- Marine Engineering and Shipbuilding – Corrosion-resistant welds on deck, hull, and offshore structures.
- Automotive Industry – Clean, fast welds for bodywork, exhaust systems, and chassis.
- Construction & Fabrication – Strong welds for structural steel, bridges, and heavy buildings.
- Oil & Gas – Durable pressure-resistant welds for pipelines, storage tanks, and drilling equipment.
- Pressure Vessels & Pipelines – Clean & strong welds that can withstand high pressure & corrosive conditions.
With Fortis Metals' Mig Welding Wire, industries achieve productivity as well as better weld quality with lower downtime and utmost safety.
Why Buy MIG Welding Wires from Fortis Metals?
Fortis Metals is not just a supplier; we are your partner for welding excellence. Here's why manufacturers and welders nationwide trust us:
- Quality Assured – Built to international standards of performance and consistency.
- Certifications – Our wires set the highest industry standards for safety and quality.
- Precision & Reliability – Every batch is tested for consistent feeding, stable arcs, and weld soundness.
- Broad Alloy Selection – From utility grades to high-performance duplex wires.
- Worldwide Supply – Reactive logistics guarantee on-time delivery in the U.S. and worldwide.
- Customer Confidence – Our reputation is founded on dependability, open communication, and quality service.
By using Fortis Metals, you're selecting precision-tested, high-quality MIG wires that assure results every time.
How is MIG Wire different from other welding wires?
MIG wire is used as both the electrode and filler metal in MIG welding. In contrast to TIG wire, which must be manually fed, MIG wire is continuously fed through the welding gun to facilitate faster, automated welding.
What are the alloys contained within Stainless Steel MIG Wire?
Fortis Metals offers an array of grades, such as 304L, 308L, 309L, 316L, 347, Duplex, and Super Duplex alloys.
What are the diameters and spool sizes available?
Our MIG wires are stocked in diameters of 0.8mm to 1.6mm, supplied on spools, reels, or drums. Special sizes are also available order-wise.
Surface Finish
Bright, Matte & Semi Bright
Drum Pack
| Drums | Drums | 760 Metal Reel |
|---|---|---|
| 100 - 125 Kg (200 - 250 Lbs) | 200 - 250 Kg (450 - 550 Lbs) | 200 - 250 Kg (450 - 550 Lbs) |
Drum Pack Special Features
| Fortis Metal N.A. Inc. Drum Features | User Benefit |
|---|---|
| Easy handling | Reduced change over time |
| Reduce downtime | Increased productivity |
| Process stability | Part to part consistent weld |
| Consistent weld quality | Reduction in rework, weld leakages and scrap |
| Better weld quality | Reduction in line stoppage |
Packaging
Layer wound plasic spools SD
300/basket spool BS300
plastic spools SD 200/basket
spool BS200
plastic spools