AISI 304 stainless steel is an austenitic steel, commonly known as "18/8 stainless steel" because it contains about 18% chromium and 8% nickel. It is one of the most common and versatile stainless steel grades available on the market.
The technical characteristics of polished AISI 304 stainless steel include:
Corrosion resistance: due to its high amount of chromium, AISI 304 steel is highly resistant to corrosion, especially when exposed to acidic chemicals and salts.
Temperature resistance: AISI 304 steel can withstand high temperatures, up to about 870°C, without suffering permanent deformation or structural damage.
Mechanical strength: AISI 304 steel has good tensile and flexural strength, but its hardness and wear resistance are lower than other stainless steel grades such as AISI 316.
Machinability: AISI 304 steel is easily machined, including welding, bending, drilling, and machining.
Hygiene: AISI 304 steel is often used in the food and pharmaceutical industries because it is corrosion resistant and easy to clean and sanitize.
Polished AISI 304 stainless steel has a polished surface finish, which gives it greater corrosion resistance than its matte counterpart. In addition, the polished finish makes the steel more aesthetically pleasing, making it a popular option for decorative applications.