Home > Electrodes > AWS Class ER309/309L Mig & Tig Filler Welding Wire & Rod
Njabulo Stainless is a reputable manufacturer and supplier located in Cape Town, South Africa, specializing in top-notch stainless steel welding consumables. One of their standout products is the AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod, crafted to meet the tough demands of various industrial applications. Renowned for its reliable performance, outstanding corrosion resistance, and high-quality welds, Njabulo Stainless guarantees that every product meets international standards. With a commitment to durability, precision, and customer satisfaction, the company caters to a wide range of industries, including petrochemical, power generation, food processing, and marine fabrication.
The AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod boast a high-alloy composition, featuring around 23.0-25.0% chromium and 12.0-14.0% nickel, along with low carbon content to minimize carbide precipitation. This dual-grade alloy provides excellent resistance to intergranular corrosion and high-temperature oxidation. Its mechanical properties include a tensile strength of about 600 MPa, yield strength of 400 MPa, and an elongation of over 30%, making it perfect for demanding welding tasks. The low carbon content (typically ≤0.03%) enhances weld integrity, especially when joining different metals or working in high-heat conditions.
| Classification | AWS A5.9, ER309/309L |
| 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 ER309/309L MIG & TIG Filler Metal Application & uses |
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| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.03 | 23.0-25.0 | 12.0-14.0 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 |
| Tensile Strength, kpsi: | 86* |
| Yield Strength, kpsi: | 58* |
| Elongation %: | 40* |
Contact us to get a quick quote for your requirement.
Stainless Steel ER309/309L MIG Filler Wire provides strong, corrosion-resistant welds for dissimilar metals, ideal for welding stainless steel to carbon steel in industries requiring high-quality, durable joints.
Stainless Steel ER309/309L TIG Filler Wire is designed for welding dissimilar metals, offering excellent strength and corrosion resistance, suitable for high-temperature applications and critical joints in power generation and industrial sectors.
Stainless Steel ER309/309L TIG Filler Rod ensures high-strength, corrosion-resistant welds for dissimilar metal joints, ideal for applications in petrochemical, power generation, and industrial fabrication requiring reliable and durable performance.
Each AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod is carefully packed using high-quality materials to prevent any damage or defects during shipping. We focus clients satisfaction by assuring timely delivery through efficient transportation. All relevant documents pertaining to the product are provided to clients at the time of delivery guaranteeing a smooth transaction.
These AWS Class ER309/309L MIG and TIG Filler Welding Wire and Rod are widely utilized for joining dissimilar metals, particularly stainless steel to mild or carbon steel. They are ideal for fabrication, repair, and maintenance, playing a crucial role in industries such as chemical processing, pulp and paper, nuclear, and shipbuilding. Their excellent resistance to corrosion and heat makes them suitable for high-temperature service environments. Additionally, ER309/309L is often used as a buffer layer during cladding operations and in situations where post-weld heat treatment isn’t an option. The filler metal produces smooth, clean welds with minimal spatter and exceptional metallurgical properties.
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