ER308L Stainless Steel TIG Welding Filler Rod is a premium low-carbon austenitic stainless steel filler rod for clean, corrosion-resistant TIG (GTAW) welds. Supplied as straightened 36" (914 mm) cut lengths in 0.045", 1/16", 3/32", and 1/8" diameters and 1, 2, 5, and 10 lb packs, it is the standard choice for joining 304 and 304L stainless and matching grades. Select your diameter and pack size above.
Key Features
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› Low-carbon (≤0.03% C) chemistry resists carbide precipitation and intergranular corrosion
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› Designed to match 304 and 304L stainless base metals
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› Excellent corrosion resistance, ductility, and toughness
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› Smooth, stable arc with a bright, clean weld deposit
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› Straightened 36" cut lengths for consistent, easy handling
Ideal Applications
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› Welding 304, 304L, 308, 321, and 347 stainless steels
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› Food, dairy, and beverage processing equipment
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› Chemical and pharmaceutical process piping
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› Architectural and ornamental stainless fabrication
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› General stainless steel fabrication and repair
Technical Specifications
| AWS Classification |
AWS A5.9 / A5.9M ER308L |
| Tensile Strength |
75,000 psi (520 MPa) minimum |
| Rod Type |
Solid austenitic stainless steel (19.5% Cr / 10% Ni, ≤0.03% C) |
| Cut Length |
36" (914 mm) |
| Process |
TIG (GTAW) |
| Polarity |
DCEN (straight polarity) |
| Shielding Gas |
100% Argon |
| Available Packs |
1 lb & 2 lb tubes; 5 lb & 10 lb boxes |
Available Sizes & Recommended Amperage
| Diameter |
Recommended Amperage |
| 0.045" (1.2 mm) × 36" |
40 – 90 A |
| 1/16" (1.6 mm) × 36" |
70 – 110 A |
| 3/32" (2.4 mm) × 36" |
100 – 160 A |
| 1/8" (3.2 mm) × 36" |
120 – 210 A |
Recommended amperage ranges are general guidelines; optimal settings vary with base-metal thickness, joint design, tungsten selection, and welding position. Store filler rod in a dry location to prevent oxidation and ensure clean welds.
