Stainless Steel Close Equivalent Grade
ASTM/
ASME 		ISO USA JAPAN BRITAIN GERMANY FRANCE SWEDEN ITALY INDIA CNS
UNS No. AISI JIS BS WERKSTOFF DIN NF SIS UNI IS
S20100 A­2 201 SUS201 1.4371 X12CrMnNi1885 Z12CMN17-­07AZ 201
S20200 A-3 202 SUS202 284S16 202
S30100 14 301 SUS301 301S21 1.431 X12CrNi177 Z11CN17-­08 142331 X12CrNi1707 10Cr17Ni7 301
S30200 12 302 SUS302 302S25 1.43 X12cRnI188 Z12CN18-­09 142332 X10CrNiS1809 302
S30300 17 303 SUS303 303S21 1.4305 X10CrNiS189 Z8CNF18-­09
S30400 11 304 SUS304 304S31 1.4301 X5CrNi1810 Z7CN18-­09 142333 X5CrNi1810 04Cr18Ni10 304
S30403 10 304L SUS304L 304S11 1.4306 X2CrNi1911 Z3CN18-­10 142352 X2CrNi1811 02Cr18Ni11 304L
S30500 13 305 SUS305 305S19 1.4303 X5CrNi1812 Z8CN18-­12 305
S30900 309 SUH309 309S24 1.4828 Z12CN24-­13 X16CrNi2314
S30908 309S SUS309S 309S16 309S
S31000 310 SUH310 309S16 1.4841 Z12CN25-­20 142361 X6CrNi2520
S31008 H 15 310S SUS310S 310S16 1.4845 Z8CN25-­10 142361 X6CrNi2520 310S
S31600 20 316 SUS316 316S31 1.4401 X5CrNiMo17122 Z7CND17-­11-­02 142343 X8CrNiMo1713 04Cr17Ni12Mo2 316
S31603 19 316L SUS316L 316S11 1.4404 X2CrNiMo17132 Z3CND17-­12-­02 142348 X2CrNiMo1712 02Cr17Ni12Mo2 316L
S31635 21 316Ti SUS316Ti 320S31 1.4571 X6CrNiMoTi17122 Z6CND17-­12 142350 316Ti
S34700 16 347 SUS347 347S31 1.455 X6CrNiNb1810 Z6CNNb18-­10 142338 X8CrNiNb1811 347
S40300 403 SUS403 403S17 1.4024 X5Cr13 Z12C13 142301 403
S40500 2 405 SUS405 405S17 1.4002 X6CrAl13 Z12C13 X6CrAl13 405
S40900 1 Ti 409 SUH409 409S19 1.4512 X6CrTi12 Z8CNT12 409
S41000 3 410 SUS410 410S21 1.4006 X10Cr13 Z13C13 142302 X12Cr13 410
S41600 7 416 SUS416 416S21 1.4005 X12CrS13 Z11CF13 X12Cr13
S42000 4 420 SUS420J1 420S29 1.4021 X20Cr13 Z20C13 142304 X30Cr13 420J1
5 SUS420J2 420S45 1.4016 X30Cr13 Z33C13 420j2
S43000 8 430 SUS430 430S17 1.4016 X6Cr17 Z8C17 142320 X8Cr17 05Cr17 430
S43020 8C 430F SUS430F 1.4104 X4CrMoS18 Z8CF17 142383 X10CrS17
S43100 9b 431 SUS431 431S29 1.4057 X20CrNi172 Z15CN16-­02 142321 X16CrNi16