What is sus303 material?

NAS 303AM (SUS 303, UNS S30300) is a high free-machining austenitic stainless steel in which machinability is improved by adding sulfur to Type 304.

What is the difference between SS 303 and 304?

What is the Difference Between 303 and 304 Stainless Steel? Grade 303 stainless steel is similar to grade 304 stainless, but with sulfur added to help increase machinability while maintaining both corrosion resistance and mechanical elements that are associated with stainless steel.

Is 303 easier to machine?

Type 303 Stainless Steel has improved machinability over Type 304, which is a non-free-machining type. On the other hand, Type 304 stainless steel weldability is higher when compared to Type 303.

Can 303 be hardened?

Grade 303 stainless steel cannot be hardened by heat treatment. Solution treatment or annealing can be done by rapid cooling after heating to 1010-1120°C.

Is 303 stainless steel strong?

303 Stainless Steel With these additional elements, 303 offers increased machinability. This alloy’s composition makes it ideal for corrosion-resistant, strong, long-lasting fasteners.

Is 303 stainless austenitic?

General Properties Alloy 303 is a non-magnetic, austenitic stainless steel that is not hardenable by heat treatment.

Is 303 stainless weldable?

Generally 303 is considered unweldable due to free machining alloys added. Which great increase the risk of hot cracking. Any techniques used to eliminate hot cracking would also be useful in reducing the cracking chances on 303. Such as a convex weld bead.

Does 303 stainless steel rust?

This is quite typical for 303 stainless steel, which is a high sulfur free machining grade. You may be having a sulfide problem and not a rusting problem at all. Sulfides will bloom to the surface when exposed to moisture and look very similar to rust.