Stainless Steel Alloy 303, A1
Type 303 Stainless Steel, also referred to as A1, is an often used non-magnetic, austenitic stainless steel. Type 303 is known for a number of important characteristics including:
- Ease of fabrication
- Outstanding heat resistance and oxidation when intermittently exposed to temperatures up to 760°C
- Slightly higher corrosion resistance than Type 304
In order to be sold as Type 303 Stainless Steel, a product must have a unique chemical composition that includes the following:
- Fe 69%
- Cr 17-19%
- Ni 8-10%
- Mn 2.0%
- Si 1.0%
- P 0.20%
- C 0.15% max
- S 0.15% min
A wide number of industries use Type 303 Stainless Steel for many different applications including:
- Aircraft fittings
- Screws
- Nuts and bolts
- Gears
- Bushings
- Shafts
- Food production
Continental Steel is a supplier and distributor of Type 303 Stainless Steel in a variety of forms and shapes like flat, round, and square bar.