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By Smith Sharlin

Feb 22,2016

Material of stainless steel and classification

Material of stainless steel and classification

martensite stainless steel, duplex stainless steel and precipitation hardening stainless steel.

According to the corrosion type classification

Can be divided into the pitting resistance to stress corrosion of stainless steel, stainless steel, stainless steel intergranular corrosion resistance, etc.

According to the function characteristic classification

Can be divided into free cutting stainless steel, non-magnetic stainless steel, stainless steel, high strength stainless steel at low temperature.

According to the matrix was divided into

1, ferritic stainless steel. Chromium containing 12% ~ 30%. Its corrosion resistance, toughness and weldability with chromium content increases with the increase of chloride stress corrosion resistance is superior to other types of stainless steel.

2, austenitic stainless steel. Chromium is more than 18%, still contain about 8% of the nickel and small amounts of molybdenum, titanium, nitrogen and other elements. Good comprehensive performance, corrosion resistant to a variety of media.

3, austenitic, ferritic duplex stainless steel. The advantages of both austenitic and ferritic stainless steel, and has the superplasticity.

4, martensite stainless steel. High strength, but the plasticity and poor weldability.


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