明富钢材优质供应--- 303 Stainless steel type 303 is specifically designed to exhibit improved machinability. It is a non-magnetic austenitic stainless steel that can not be hardened by heat treatment. 明富钢材优质供应--- 303303 is a corrosion resistant steel which has a high resistance to oxidation. As with all stainless steels, the rate of oxidation is greatly affected by the service atmosphere, heating and cooling cycles and design considerations. 明富钢材优质供应--- 303Type 303 Stainless Steel stays austenitic at all temperatures. When it is heated between 800 F and 1500 F, carbides will precipitate at the grain boundaries. 明富钢材优质供应--- 303When reannealed, the carbides will redissolve