
The Hobart S512537-I12 is a high-specification stainless steel TIG welding rod conforming to AWS A5.9 classifications for both ER308 and ER308L. This dual classification ensures the filler metal meets the rigorous mechanical and chemical property requirements necessary for code-quality welding. The wire is formulated with a nominal composition of 20% Chromium and 10% Nickel, providing excellent resistance to corrosion and oxidation. It is specifically optimized for welding austenitic stainless steels, primarily AISI Types 304 and 308, but is also compatible with Types 201 and 302.
A critical technical advantage of this alloy is its controlled low carbon content (maximum 0.03%). In welding austenitic stainless steels, carbon control is essential to prevent sensitization in the heat-affected zone (HAZ). Sensitization occurs when chromium carbides precipitate at the grain boundaries, depleting the local chromium and leaving the material susceptible to intergranular corrosion. By utilizing an ER308L filler, fabricators can ensure the weld metal retains its corrosion-resistant properties even after the thermal cycling inherent in the welding process. This makes the S512537-I12 ideal for applications in the petrochemical, pulp and paper, and textile industries where chemical resistance is paramount.
Traceability and quality assurance are built into the product. Each 36-inch rod is individually stamped with the AWS classification and the manufacturing lot number. This feature is indispensable for shops operating under ISO quality systems or performing code work where material verification is mandatory. The 3/32-inch (2.4 mm) diameter is a versatile size for a wide range of amperage settings and joint configurations. The wire is designed for use with 100% Argon shielding gas to maintain a stable arc and protect the molten pool from atmospheric contamination. It produces a smooth bead profile with minimal spatter, facilitating easy post-weld cleaning and finishing.
Key Specifications:
| Additional Information |
|---|
| Brand:Hobart |
| AWS Spec:ER308L, ER308 |
| Diameter:2.5mm (3/32") |
| Grade:308, 308L |
| Packaging:10 lb Tube |
| Weld Process:TIG (GTAW) |
| Material Composition:Stainless Steel |
| Wire Length:36 in |
| Shielding Gas Requirement:100% Argon |
| AWS Classification:AWS A5.9 |
| Applications:Food and Beverage, Petrochemical, General Fabrication |
| Packaging Description:10lb tube |