There are five different stainless steel classes all around the world and the Austenitic stainless steel class takes the 70% consumption of stainless steel applications. All of the all 200 and 300 series of stainless steel grades are in this class of stainless steel. Ferritic stainless steel is magnetic and offers good high-temperature oxidation resistance. Martensitic stainless steel is another class of stainless which is famous because of its heat treatment capability. Duplex and precipitation hardening stainless steels are more popular for some special applications.
We are committed to supplying high quality Austenitic stainless steel, Ferritic stainless steel, Martensitic stainless steel, duplex stainless steel and nickel base alloy steel tubes and processing services. These materials include:
Austenitic stainless steel: 201, 202, 301, 304, 316, 317, 309, 310, 321, 347, 904L
Ferritics：409, 410S, 430/430F, 430Ti (439), 441, 444
Martensitics：410, 420, 431
Precipitation hardening：17/4PH, 17/7PH
Duplex Steel :31803 , S 32205, S 32550, S 32750 , S 32760.