The surface of the stainless steel plate is smooth, has high plasticity, toughness and mechanical strength, and is resistant to corrosion by acids, alkaline gases, solutions and other media. It is an alloy steel that does not rust easily, but it does not rust. We briefly introduce the characteristics of several stainless steel head materials：

201: (1Cr17Mn6Ni5N )

Feature: As a widely used steel, low nickel, good wear resistance, mainly used in building materials plants, mining, water tanks, air conditioning, food machinery and other industries.

304：（0Cr18Ni9）

Feature：As a widely used steel, it has good corrosion resistance, heat resistance, low temperature strength and mechanical properties. Good hot-workability such as stamping and bending, no heat treatment and hardening (non-magnetic, use temperature -196℃ ~ 800℃).

321：（1Cr18Ni9Ti）

Feature：Adding Ti element in 304 steel to prevent grain boundary corrosion, suitable for use at 430℃ ~ 900℃.

316L：（00Cr17Ni14Mo2）

Feature：As a low carbon series of 316 steel, in addition to the same characteristics as 316 steel, its resistance to grain boundary corrosion is excellent.

309S：（0Cr23Ni13）

Feature：It can withstand cyclic heating below 980℃, and has high temperature strength, oxidation resistance and carburization resistance.

310S：（0Cr25Ni20）

Feature：Suitable for making various bolier components, the highest temperature is 1200℃, and the continuous use temperature is 1150℃.