ER316L Stainless Steel TIG Welding Filler Rod is a molybdenum-bearing low-carbon austenitic stainless steel filler rod for 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 matches 316 and 316L stainless and excels in chloride, marine, and chemical-service environments. Select your diameter and pack size above.
Key Features
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› 2–3% molybdenum for superior pitting and crevice corrosion resistance
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› Low-carbon (≤0.03% C) to resist sensitization and intergranular corrosion
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› Designed to match 316 and 316L stainless base metals
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› Excellent performance in chloride and marine environments
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› Bright, clean, ductile weld deposit
Ideal Applications
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› Welding 316, 316L, and 317 stainless steels
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› Marine, coastal, and saltwater-service equipment
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› Chemical, petrochemical, and pharmaceutical process piping
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› Food and beverage processing equipment
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› Pulp, paper, and other corrosive-service fabrication
Technical Specifications
| AWS Classification |
AWS A5.9 / A5.9M ER316L |
| Tensile Strength |
70,000 psi (485 MPa) minimum |
| Rod Type |
Solid austenitic stainless steel (18.5% Cr / 12.5% Ni / 2.3% Mo, ≤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.
