TIG FILLER WIRE 308L FOR 304 STAINLESS 3.2MM
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ER308L Stainless Steel TIG Welding Rod – 3.2mm x 1000mm | Premium Filler Wire for 304/304L Stainless Steel
Product Description
Achieve clean, corrosion-resistant welds every time with our ER308L TIG Filler Wire (3.2mm) — the industry-standard choice for welding 304 and 304L austenitic stainless steel. Engineered with an extra-low carbon content, this filler wire minimizes carbide precipitation during welding, ensuring superior resistance to intergranular corrosion in both as-welded and stress-relieved conditions.
Whether you're fabricating food-grade equipment, chemical processing tanks, piping systems, or architectural stainless structures, this ER308L wire delivers smooth arc starts, minimal spatter, and excellent bead wetting for professional-grade results.
Key Features
- Premium ER308L Composition – Low carbon (=0.03%) formulation reduces the risk of sensitization and intergranular corrosion at weld joints.
- Precision Diameter: 3.2mm (1/8") – Ideal for medium-to-thick section welding, offering higher deposition rates while maintaining bead control.
- Excellent Feedability & Arc Stability – Smooth surface finish and tight diameter tolerance ensure consistent TIG arc performance with minimal tungsten contamination.
- Bright, Clean Finish – Reduces oxidation and porosity risk for cleaner, stronger welds.
- Straight-Length Rods – Typically supplied in 1000mm (36") or 914mm lengths for easy handling in shop and field applications.
- Versatile Base Metal Match – Specifically formulated for welding 304, 304L, and similar 18-8 austenitic stainless steels; also compatible with 321 and 347 stainless in general-purpose applications.
Technical Specifications
| Specification | Detail |
|---|---|
| AWS Classification | ER308L |
| Diameter | 3.2mm (0.125") |
| Length | 1000mm / 36" (standard) |
| Process | GTAW (TIG) |
| Base Materials | 304, 304L, 302, 303 Stainless Steel |
| Carbon Content | = 0.03% (Low Carbon) |
| Shielding Gas | 100% Argon or Argon/Helium blend |
| Welding Position | All positions |
| Typical Tensile Strength | ~85,000 psi (585 MPa) |
Applications
- Food & beverage processing equipment
- Pharmaceutical and chemical storage tanks
- Kitchen and catering equipment fabrication
- Stainless steel piping and tubing systems
- Architectural and decorative stainless fabrication
- Marine and offshore stainless components
- Dairy and brewery equipment
Why Choose ER308L Over Standard ER308?
The "L" (low carbon) designation makes this wire the preferred choice when welding thicker stainless sections or when the weldment will be exposed to elevated temperatures during service. It significantly reduces the likelihood of chromium carbide precipitation at grain boundaries — a key factor in preventing weld decay and maintaining long-term corrosion resistance.
Packaging & Storage
Supplied in tightly sealed tubes or bundles to prevent moisture absorption and surface oxidation. Store in a cool, dry environment and keep sealed until use for best welding performance.
This product is priced “per KG”. The minimum quantity available to purchase is shown in the "Pack Qty".
