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Stainless Steel – Comparing International Standards

Stainless steel grades listed in the international standard ISO 15510:2010

Comparative designations of grades with similar composition from other important standards.

(listed by type of steel structure and by increasing intermediate 3-digits code of the ISO name)

TypeISO-Name (1)ISO DesignationENUNSAISIJISGB
A4657-080-20-UX4NiCrCuMo35-20-4-31.4657()N08020
A4563-080-28-IX1NiCrMoCu31-27-41.4563N08028
A4864-083-77-XX13NiCr35-161.4864R20033,N08330SUH330S33010
A4478-083-67-UX2NiCrMoN25-21-71.4478()N08367SUS836L
A4958-088-77-EX5NiCrAlTi31-201.4958
A4959-088-77-EX8NiCrAlTi32-201.4959
A4959-088-11-UX8NiCrAlTi33-211.4959N08811
A4876-088-00-IX8NiCrAlTi32-211.4876N08800“800”NCF800
A4959-088-10-UX7NiCrAlTi33-211.4959N08810“800H”NCF800H
A4479-089-36-UX1NiCrMoMnN34-27-6-51.4479()N08936
A4529-089-26-IX1NiCrMoCuN25-20-71.4529N08926“926”
A4539-089-04-IX1NiCrMoCu25-20-51.4539N08904“904L”SUS890LS39042
A4656-089-04-IX1NiCrMoCu22-20-5-21.4656()
A4615-201-75-EX3CrMnNiCu 15-8-5-3 *)1.4615
A4371-201-53-IX2CrMnNiN17-7-51.4371S20153
A4618-201-76-EX9CrMnNiCu 17-8-5-21.4618
A4617-201-76-JX6CrNiMnCu17-8-4-21.4617()SUS304J2
A4372-201-00-IX12CrMnNiN17-7-51.4372S20100201SUS201S35350
A4369-202-91-IX11CrNiMnN19-8-61.4369
A4890-202-09-XX53CrMnNiN21-9-41.4890()SUH35S35650
A4373-202-00-IX12CrMnNiN18-9-51.4373S20200202SUS202S35450
A4597-204-76-IX8CrMnCuN17-8-31.4597
A4982-215-00-EX10CrNiMoMnNbVB15-10-11.4982S21500
A4318-301-53-IX2CrNiN18-71.4318S30153“301LN”SUS301LS30153
A4319-301-00-IX5CrNi17-71.4319S30100301SUS301S30110
A4310-301-00-IX10CrNi18-81.4310S30100301S30110
A4326-302-15-IX12CrNiSi18-9-31.4326()S30215“302Si”SUS302BS30240
A4325-302-00-EX9CrNi18-91.4325S30200302SUS302S30210
A4667-303-76-JX12CrNiCuS18-91.4667()[1.4570]“303Cu”SUS303Cu
A4625-303-23-XX12CrNiSe18-91.4625()S30323303SeSUS303SeS30327
A4305-303-00-IX10CrNiS18-91.4305S30300303SUS303S30317
A4570-303-31-IX6CrNiCuS18-9-21.4570S30331“303Cu+”
A4567-304-30-IX3CrNiCu18-9-41.4567S30430SUSXM7S30488
A4818-304-15-EX6CrNiSiNCe19-101.4818S30415S30450
A4567-304-76-IX6CrNiCu17-8-21.4567SUS304J1S30480
A4311-304-53-IX2CrNiN18-91.4311S30453“304LN”SUS304LNS30453
A4650-304-75-EX2CrNiCu19-101.4650“304LCu”SUS304LS30403
A4948-304-09-IX7CrNi18-91.4948S30409“304H”S30409
A4567-304-98-XX6CrNiCu18-9-21.4567S30431“304Cu”SUS304J3S30480
A4649-304-76-JX6CrNiCu19-9-11.4649()“304Cu”SUS304CuS30488
A4315-304-51-IX5CrNiN19-91.4315S30451304NSUS304N1S30458
A4306-304-03-IX2CrNi19-111.4306S30403304LSUS304LS30403
A4307-304-03-IX2CrNi18-91.4307,[1.4306]S30403304LSUS304LS30403
A4301-304-00-IX5CrNi18-91.4301S30400304SUS304S30408
A4828-305-09-IX15CrNiSi20-121.4828
A4884-305-00-XX6CrNiSi18-13-41.4884()S30500SUSXM15J1S38148
A4303-305-00-IX6CrNi18-121.4303S30500305SUS305S30510
A4835-308-15-UX7CrNiSiNCe21-111.4835S30815
A4824-308-09-JX20CrNiN22-111.4824()SUH37S30850
A4496-309-51-JX4CrNiMoN25-14-11.4496()SUS317J2
A4833-309-08-IX18CrNi23-131.4833S30908“309S”SUH309S30908
A4950-309-08-EX6CrNi23-131.4950S30908309SSUS309SS30908
A4537-310-92-EX1CrNiMoCuN25-25-51.4537
A4335-310-02-IX1CrNi25-211.4335S31002
A4466-310-50-EX1CrNiMoN25-22-21.4466S31050S31053
A4845-310-08-EX8CrNi25-211.4845S31008“310S”SUS310SS31008
A4845-310-09-XX23CrNi25-211.4845S31008“310S”SUH310S31020
A4951-310-08-IX6CrNi25-201.4951S31008310SSUS310SS31008
A4659-312-66-IX1CrNiMoCuNW24-22-61.4659S31266
A4547-312-54-IX1CrNiMoCuN20-18-71.4547S31254SUS312LS31252
A4971-314-79-IX5CrNiCoMoWMnVNNb21-20-20-3-3-21.4971SUH661
A4841-314-00-EX15CrNiSi25-211.4841S31400314

A4660-315-77-IX6CrNiCuSiMo19-10-3-21.4660()SUS315J1
A4648-315-77-IX6CrNiSiCuMo19-13-3-3-11.4648()SUS315J2
A4665-316-76-JX6CrNiMoCu18-12-2-21.4665()SUS316J1
A4571-316-35-IX6CrNiMoTi17-12-21.4571S31635SUS316TiS31668
A4449-316-76-EX3CrNiMo18-12-31.4449
A4647-316-75-XX2CrNiMoCu18-14-2-21.4647()SUS316J1LS31683
A4432-316-03-IX2CrNiMo17-12-31.4432S31603SUS316LS31603
A4580-316-40-IX6CrNiMoNb17-12-21.4580S31640S31678
A4867-316-77-JX40CrNi1 5-141.4867()SUH31
A4578-316-76-EX3CrNiCuMo17-11-3-21.4578
A4910-316-77-EX3CrNiMoBN17-13-31.4910
A4429-316-53-IX2CrNiMoN17-12-31.4429S31653“316LN”SUS316LNS31653
A4406-316-53-IX2CrNiMoN17-11-21.4406S31653“316LN”SUS316LNS31653
A4495-316-51-JX6CrNiMoN17-12-31.4495()S31651316NSUS316NS31658
A4435-316-91-IX2CrNiMo18-14-31.4435S31603316LSUS316LS31603
A4404-316-03-IX2CrNiMo17-12-21.4404S31603316LSUS316LS31603
A4494-316-74-JX6CrNiMoS17-12-31.4494()S31620316FSUS316F
A4401-316-00-IX5CrNiMo17-12-21.4401S31600316SUS316S31608
A4436-316-00-IX3CrNiMo17-12-31.4436S31600316SUS316S31608
A4476-317-92-XX3CrNiMo18-16-51.4476()SUS317J1S31794
A4438-317-03-IX2CrNiMo19-14-41.4438S31703SUS317LS31703
A4483-317-26-IX2CrNiMoN18-15-51.4483()S31726S31723
A4879-317-77-JX30CrNiMoPB20-11-21.4879()SUH38
A4439-317-26-EX2CrNiMoN17-13-51.4439S31726S31723
A4445-317-00-UX6CrNiMo19-13-41.4445()S31700317SUS317S31708
A4434-317-53-IX2CrNiMoN18-12-41.4434S31753“317LN”SUS317LNS31753
A4941-321-09-IX6CrNiTiB18-101.4941S32109S32169
A4940-321-09-IX7CrNiTi18-101.4940,1.4541S32109“321H”SUS321HS32169
A4541-321-00-IX6CrNiTi18-101.4541S32100321SUS321S32168
A4652-326-54-IX1CrNiMoCuN24-22-81.4652S32654S32652
A4565-345-65-IX2CrNiMnMoN25-18-6-51.4565S34565S34553
A4961-347-77-EX8CrNiNb16-131.4961
A4912-347-09-IX7CrNiNb18-101.4912S34709“347H”SUS347H
A4550-347-00-IX6CrNiNb18-101.4550S34700347SUS347S34778
A4854-353-15-EX6NiCrSiNCe35-251.4854S35315
A4389-384-00-IX3NiCr18-161.4389()S38400384SUS384S38408
A PH4980-662-86-XX6NiCrTiMoVB25-15-21.4980,1.4606S66286()“660”SUH660S51525
AF4460-312-00-IX3CrNiMoN27-5-21.4460S31200S22553
AF4481-312-60-JX2CrNiMoN25-7-31.4481()S31260SUS329J4LS22583
AF4424-315-00-IX2CrNiMoSiMnN19-5-3-2-21.4424S31500
AF4462-318-03-IX2CrNiMoN22-5-31.4462S32205,S3F51,F60SUS329J3LS22053
AF4162-321-01-EX2CrMnNiN21-5-1 *)1.4162S32101
AF4062-322-02-UX2CrNiN22-2 *)1.4062S32202
AF4362-323-04-IX2CrNiN23-41.4362S32304S23043
AF4507-325-50-XX3CrNiMoCuN26-6-3-21.4507S32550S25554
AF4507-325-20-IX2CrNiMoCuN25-6-31.4507S32520
AF4501-327-60-IX2CrNiMoCuWN25-7-41.4501S32760S27603
AF4410-327-50-EX2CrNiMoN25-7-41.4410S32750S25073
AF4658-327-07-UX2CrNiMoCoN28-8-5-1 *)1.4658()S32707
AF4477-329-06-EX2CrNiMoN29-7-2 *)1.4477S32906
AF4480-329-00-UX6CrNiMo26-4-21.4480()S32900329SUS329J1
AF4485-332-07-UX2CrNiMoN31-8-41.4485()S33207
F4523-182-35-IX2CrMoTiS18-21.4523S18235
F4724-405-77-IX10CrAlSi131.4724
F4002-405-00-IX6CrAl131.4002S40500405SUS405S11348
F4516-409-75-IX6CrNiTi121.4516S40975
F4720-409-00-IX2CrTi121.4720S40900409SUH409LS11163
F4030-410-90-XX2Cr121.4030()SUS410LS11203
F4003-410-77-IX2CrNi121.4003S41003S11213
F4000-410-08-IX6Cr131.4000S41008SUS410SS41008
F4595-429-71-IX1CrNb151.4595
F4589-429-70-EX5CrNiMoTi15-21.4589
F4012-429-00-XX10Cr151.4012()S42900429SUS429S11510
F4742-430-77-IX10CrAlSi181.4742
F4017-430-91-EX6CrNi17-11.4017
F4511-430-71-IX3CrNb171.4511SUS430LX
F4664-430-75-JX2CrCuTi181.4664()SUS430J1L
F4520-430-70-IX2CrTi171.4520SUS430LX
F4510-430-35-IX3CrTi171.4510S43035439SUS430LXS11863
F4004-430-20-IX7CrS171.4004()S43020430FSUS430FS11717
F4016-430-00-IX6Cr171.4016S43000430SUS430S11710
F4113-434-00-IX6CrMo17-11.4113S43400434SUS434S11790
F4609-436-77-JX2CrMo191.4609()SUS436J1L
F4513-436-00-JX2CrMoNbTi18-11.4513()S43600436SUS436LS11862
F4526-436-00-IX6CrMoNb17-11.4526S43600436S11770
F4509-439-40-XX2CrTiNb181.4509S43940SUS430LXS11873
F4764-442-72-JX8CrAl19-31.4764()SUH21
F4521-444-00-IX2CrMoTi18-21.4521S44400444SUS444S11972
F4621-445-00-EX2CrNbCu211.4621S44500
F4128-445-92-JX2CrMo23-11.4128()
F4762-445-72-IX10CrAlSi251.4762
F4129-445-92-JX2CrMo23-21.4129()
F4750-446-60-UX2CrMoNi27-4-21.4750()S44660
F4131-446-92-CX1CrMo26-11.4131(),1.4749S44627SUSXM27S12791
F4749-446-00-IX15CrN261.4749S44600446SUH446S12550
F4135-447-92-CX1CrMo30-21.4135()S44700SUS447J1S13091
M4119-410-92-CX13CrMo131.4119()SUS410J1S45710
M4024-410-09-EX15Cr131.4024SUS410
M4006-410-00-IX12Cr131.4006S41000410SUS410S41010
M4415-415-92-EX2CrNiMoV13-5-21.4415
M4313-415-00-IX3CrNiMo13-41.4313S41500SUSF6NMS41595
M4642-416-72-JX13CrPb131.4642()SUS410F2
M4005-416-00-IX12CrS131.4005S41600416SUS416S41617
M4038-420-00-IX52Cr131.4038()S42000
M4039-420-09-IX60Cr131.4039()
M4419-420-97-EX38CrMo141.4419S35830
M4110-420-69-EX55CrMo141.4110
M4116-420-77-EX50CrMoV151.4116
M4035-420-74-EX46CrS131.4035
M4034-420-00-IX46Cr131.4034S42000S42040
M4643-420-72-JX33CrPb131.4643()SUS420F2
M4029-420-20-IX33CrS131.4029S42020420FSUS420FS42037
M4031-420-00-IX39Cr131.4031S42000420S42040
M4028-420-00-IX30Cr1 31.4028S42000420SUS420J2S42030
M4021-420-00-IX20Cr131.4021S42000420SUS420J1S42020
M4923-422-77-EX22CrMoNiV12-11.4923
M4929-422-00-IX23CrMoWMnNiV12-1-11.4929()S42200422SUH616S47220
M4058-429-99-JX33Cr161.4058()SUS429J1
M4019-430-20-IX14CrS171.4019,1.4104S43020430FS11717
M4418-431-77-EX4CrNiMo16-5-11.4418
M4123-431-77-EX40CrMoVN16-21.4123
M4057-431-00-XX17CrNi16-21.4057S43100431SUS431S43120
M4122-434-09-IX39CrMo17-11.4122
M4766-440-77-XX80CrSiNi20-21.4766()SUH4S48380
M4025-440-74-JX110CrS171.4025()“440F”SUS440FS44097
M4023-440-04-IX110Cr171.4023()S44004440CSUS440CS44096
M4041-440-03-XX85Cr171.4041()S44003440BSUS440BS44080
M4040-440-02-XX68Cr171.4040()S44002440ASUS440AS44070
M4916-600-77-JX18CrMnMoNbVN121.4916()SUH600S46250
M-PH4534-138-00-XX3CrNiMoAl13-8-31.4534S13800S51380
M-PH4594-155-92-EX5CrNiMoCuNb14-51.4594
M-PH4532-157-00-IX8CrNiMoAl15-7-21.4532S15700S51570
M-PH4542-174-00-IX5CrNiCuNb16-41.4542S17400“630”SUS630S51740
M-PH4568-177-00-IX7CrNiAl17-71.4568S17700“631”SUS631S51700
M-PH4457-350-00-XX9CrNiMoN17-5-31.4457()S35000S51750
M-PH4530-455-77-EX1CrNiMoAlTi12-9-21.4530
M-PH4596-455-77-EX1CrNiMoAlTi12-10-21.4596
M-PH4645-469-10-UX2CrNiMoCu AlTi12-9-4-3 *)1.4645()S46910
M-PH4644-662-20-UX4NiCrMoTiMnSiB26-14-3-21.4644()S66220
A:austenitic                                                   *) patented grade                                                                              ”   ” :  ‘AISI like’ common name

F:ferriticM:martensitic                                                                       () EN nb issued for ISO gradeAF: austenitic-ferritic                  PH:Precipitation Hardening

(1)The ISO name is composed of 4 parts structure XXXX-YYY-ZZ-T

XXXX is a remindr of the European coding, YYY a reminder of the old AISI codes, ZZ an ISO coding and T an additional information

T is a letter from :                                                    -C Chinese based composition        -I genuine ISO composition        -U USA based composition

-E European based composition                  -J Japanese based composition -X comp. origin. from more 2  stds