Home > Electrodes > AWS Class ER317L Mig & Tig Filler Welding Wire & Rod
Weston Stainless, with its Midland, UK location, is a trusted manufacturer of quality stainless steel welding consumables offering sound solutions for industrial use. Of its high-end products, AWS Class ER317L MIG and TIG filler welding wire and rod are formulated for excellence in corrosion resistance, especially in acidic and chlorides–containing environments. Both products are constructed from low-carbon austenitic stainless steel with higher molybdenum content for better pitting and crevice corrosion resistance. In wire and rod forms, ER317L provides superior weldability and strength and is applicable to severe welding applications where durability and resistance to harsh chemical exposure are needed.
AWS Class ER317L TIG and MIG filler wire and rod consists of about 18-20% chromium, 13-15% nickel, and 3.5-4.5% molybdenum with minimal carbon content (0.03% max) to reduce carbide precipitation. These fillers provide tensile strength of about 600 MPa, yield strength of about 300 MPa, and elongation of 35%. Their physical properties are density of 7.98 g/cm³ and melting range of 1370-1400°C, providing higher mechanical stability. Higher molybdenum content greatly enhances corrosion resistance in highly aggressive conditions, making ER317L a suitable choice for harsh conditions.
| Classification | AWS A5.9, ER317L |
| Form | MIG spools, TIG cut lengths, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| Current | MIG-DCEP / TIG-DCEN |
| Diameters | .023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8” |
| Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
| AWS ER317L MIG & TIG Filler Metal Application & uses |
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| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.03 | 18.5-20.5 | 13.0-15.0 | 3.0-4.0 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 |
| Tensile Strength, kpsi: | 83* |
| Yield Strength, kpsi: | 60* |
| Elongation %: | 42* |
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Available in sizes such as 0.030″, 0.035″, and 0.045″ diameter. It offers excellent corrosion resistance and is ideal for welding stainless steels with high molybdenum content. Its low carbon content helps minimize carbide precipitation.
Available in diameters like 1/16″, 3/32″, and 1/8″, this TIG filler wire provides superior corrosion resistance. It is suitable for welding similar stainless steel alloys and maintains a low carbon content to prevent carbide formation.
Typically offered in sizes of 1/16″, 3/32″, and 1/8″ diameter, this filler rod is known for its excellent resistance to corrosion and high strength. It’s designed for use in TIG welding applications requiring enhanced resistance to pitting and crevice corrosion.
AWS Class ER317L TIG and MIG filler wire and rod are commonly applied in power generation, pulp and paper, chemical processing, and marine industries. They are best suited for welding piping systems, heat exchangers, stainless steel tanks, and structural parts subject to high temperatures and harsh chemicals. Due to their superior pitting, crevice corrosion, and intergranular attack resistance, they find applications where long-term strength is a requirement. With higher weldability and strength, these fillers provide rugged, dependable joints in demanding service involving high resistance to corrosion.
AWS Class ER317L TIG and MIG filler wire and rod are supplied with test certificates indicating conformance to AWS A5.9 and ISO 14343 standards to ensure accurate chemical makeup and mechanical strength. Supplied in spools for MIG and cut-length rods for TIG welding, they are packed in moisture-resistant material to preserve their quality. Options for delivery are bulk dispatch or specially ordered packaging, taking care that they reach the destination safely and on time for industrial use in welding.
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