330 Stainless Steel

The 330 nickel, chromium, iron, silicon alloy by Atlantic Stainless is austenitic, combining superior resistance to carburization and oxidation, even at high temperatures. Its tensile strength remains intact, even during repeated thermal cycling.

Chemical Formula
Carbon 0.08%, Chromium 17-20%, Copper 1%, Manganese 2%, Nickel 34-37%, Phosphorus 0.03%, Silicon 1.5%, Sulphur 0.03%, remainder Iron

330 Stainless Steel Plate, 330 Stainless Steel Sheet, 330 Stainless Steel Round Bar

Common Trade Names
330 Stainless, 330 Stainless Steel


  • Machinable at slow speeds, with positive feeds, sulphurized lubricants and rigid mounts.
  • Weldable using GAW technique
  • Resists oxidation and carburization at temperatures up to 2200ºF

Furnace components, gas turbines, heat exchangers and other heat treating equipment are best served by using 330 alloy.

Available Stock Sizes
See specific product page for unique sizes. Here at Atlantic Stainless no inquiry is too large or too small. Feel free to contact us today for a quote on any of your custom size orders.

If you don’t see what you’re looking for just call one of our team members at 800.876.2700. No inquiry is too large or too small, we specialize in locating hard to find items. If you do see what you are looking, we would love to assist you and give you a quote today!