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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.


中国
日本
美国
韩国 欧盟 澳大利亚
中国台湾
密度t/m3
GB/T20878
JIS
ASTM
KS BSEN AS
CNS
 
12Cr13
SUS403
403
STS403 403 403 7.75
  
20Cr13
SUS420J1
420
STS420J1 1.4021 420
420J1
7.75
  
30Cr13
SUS420J2
STS420J2 1.4028 420J2
420J2
7.75
10Cr17
SUS430
430
STS430 1.4016 430 430 7.70
  
68Cr17
SUS440A
440A
STS440A 440A 440A 7.70
  
06Cr19Ni10
SUS304
304
STS304 1.4301 304
304
7.93
  
022Cr19Ni10
SUS304L
304L
STS304L 1.4306 304L
304L
7.93
  
06Cr17Ni12Mo2
SUS316
316
STS316 1.4401 316 316 7.98
  
022Cr17Ni12Mo2
SUS316L
316L
STS316L 1.4404 316L
316L
7.98
  
06Cr18Ni11Ti
SUS321
321
STS321 1.4541 321
321
7.93
06Cr18Ni11Nb
SUS347
347
STS347 1.455 347
347
7.98
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