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Chemical Composition of Stainless Steel

Chemical Composition of Stainless Steel
Grade AISI Chemical composition-per cent Nearest Equivalent Specification
  C Max Mn  Max P Max S Max  Si.Max Cr  Ni Mo Other Element I.S. En'
AUSTENITIC
201 0.15 5.5/7.5 0.06 0.03 1 16.0/18.0 3.5/5.5 - - - -
202 0.15 7.5/10 0.06 0.03 1 17.0/19.0 4.0/6.0 - - - -
301 0.15 2.0 max 0.045 0.040 1.0 16.0/18.0 6.0/8.0 - - 10Cr17Ni7  
302 0.15 2.0 0.045 0.030 1.0 17.0/19.0 8.0/10.0 - E-4-3-4% 07Cr18Ni9 En-58A
302HQ 0.03 2.0 0.045 0.030 1 17.0/19.0 9.0/10.0 - CU:3-4.0 - -
303 0.15 2.0 0.045 0.15min 1.0 17.0/19.0 8.0/10.0 - E-4-1% Max 15Cr18Ni9 En-58M
303EHS 0.15 2.0 0.02 0.3-0.33 1.0 17.0/19.0 8.0/10.0 - CU:1%Max - -
304 0.08 2.0 0.045 0.030 1.0 18.0/20.0 8.0/12.0 - - 04Cr18Ni10 En-58E
304L 0.030 2.0 0.045 0.030 1.0 18.0/20.0 8.0/12.0 - - 02Cr18Ni11 -
304H.C 0.05 2.0 0.045 0.03 1.0 18.0/20.0 8.5/9.5 - CU:2-2.50 - -
308 0.08 2.0 0.040 0.030 1.0 18.0/21.0 10.0/12.0 - - - -
308LER 0.02 1.5/2.0 0.025 0.020 0.5 19.0/21.0 9.5/11.0 - - - -
309 0.20 2.0 max 0.045 0.030 1.0 22.0/24.0 12.0/15.0 - - 20Cr24Ni12 -
309LER 0.03 1.5/2.5 0.02 0.015 0.5 23.0/25.0 12.0/14.0 - - - -
309S 0.08 2.0 0.045 0.030 1.0 22.0/24.0 12.0/15.0 - - - -
310 0.25 2.0 0.045 0.030 0.5 24.0/26.0 19.0/22.0 - - 10Cr25Ni12 -
310S 0.08 2.0 0.045 0.030 1.0 24.0/26.0 19.0/22.0 - - - -
314 0.25 2.0 0.040 0.030 1.50 25.0/26.0 19.0/22.0 - - - -
316 0.08 2.0 0.045 0.030 1.50 16.0/18.0 10.0/14.0 2.0/3.0 - 03Cr17Ni12Mo2 En 58H
316L 0.03 2.0 0.045 0.030 1.5to3 16.0/18.0 10.0/14.0 2.0/3.0 - 03Cr17Ni12Mo2 -
316LER 0.02 1.5/2.0 0.02 0.02 1.0 18.0/20.0 12.0/14.0 2.0/2.75 - - -
306TI 0.080 2.0 0.045 0.030 1.0 16.0/20.0 10.0/14.0 2.0/3.0 Ti5xCmin - -
317 0.08 2.0 0.045 0.030 0.5 18.0/20.0 11.0/15.0 3.0/4.0 - - -
317L 0.030 2.0 0.045 0.030 1.0 18.0/20.0 11.0/15.0 3.0/4.0 N:O.10/0.22 - -
317LN 0.03 2.0 0.045 0.03 1 18.0/20.0 11.0/15.0 3.0/4.0 N:O.10/0.22 - -
321 0.08 2.0 0.045 0.030 1.0 17.0/19.0 9.0/12.0 - Ti5xCmin 04Cr18Ni10Ti20 En-58C
347 0.080 2.0 0.045 0.030 1.0 17.0/19.0 9.0/12.0 - Nb/Ta10xCmin 04Cr18Ni10Nb-40 En-58G