The Forney 42298 308ER Stainless Steel MIG welding wire consists of chromium and nickel. Applications include the food and beverage industry, maintenance and repair. Blue color coding on label. Forney Industries is one of America's longest operating family-owned metal working product companies. Founded in 1932, Forney offers more than 5,000 products for the hardware, automotive, farm and ranch and do-it-yourself markets. If you've got metal working questions, we've got answers. We're committed to your success regardless of location size or needs. .030-Inch (.8mm) Wire Diameter. 2 pound (.907 Kg) spool. 20-Percent Chromium and 10-Percent Nickel. Tensile Strength is 120,000 PSI. Shielding Gas: Argon or Argon/CO2. Recommended Polarity: DCEP Reverse. Claims for warranty must be made within 90 days of the date of purchase. Proof of purchase required. This warranty does not cover any product that has been subject to misuse, neglect, negligence or accident, or that has been used in any way contrary to the purpose intended.