303 Stainless Steel Sheet/Plate:
303 is used almost exclusively for parts requiring machining, grinding, or polishing where good corrosion resistance is also required. It’s non-seizing and non-galling properties make it ideal for moving parts. Being austenitic steel, it is useful where low magnetic permeability is desired. 303 has fairly good forming properties. Used for aircraft parts, valves, valve trims, all types of screw machine products, bolts, screws, and machine parts, as well as architectural purposes. It is not recommended for vessels containing liquids or gases under high pressure.
Alloy 303 (UNS S30300) is a non-magnetic, austenitic, free-machining stainless steel that is a modification of the basic 10% chromium -8% nickel stainless steel specially designed to exhibit improved machinability while maintaining good mechanical and corrosion-resistant properties.
- Aerospace Parts
- Pump and Valve Components
- Screw Machine Products
- Annealing – Heat to a minimum temperature of 1900 ° F (1038 ° C) and water quench or rapid cool by other means.
- Hardening – Alloy 303 cannot be hardened by thermal treatment, it can only be hardened by cold working.
|The cold formability of Alloy 303 is adversely impacted by the high sulfur content. The alloy may be bent with a generous bend radius, however, when cold forming is required, 304 should be utilized.||The high sulfur content of Alloy 303 also has a detrimental impact on hot workability. If hot forming is required, once again, 304 should be considered as an alternate selection.|