Introduction
BS EN 10088-3 is the material standard for stainless steel semi-finished products, bars, rods and sections for general purposes. Ferritic, martensitic, precipitation hardening, austenitic and austenitic-ferritic (duplex) grades are included. The chemical composition of all the grades of stainless steel covered in the standard are listed.
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The data given is not intended to replace that shown in individual standards to which reference should always be made.
BS EN 10088-3 chemical composition tables
| Designation | Chemical composition % by mass max unless stated | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Steel name | Steel number | C | Si | Mn | P | S | N | Cr | Cu | Mo | Ni | Others |
| Ferritic stainless steels-standard grades | ||||||||||||
| X2CrNi12 | 1.4003 | 0.030 | 1.00 | 1.50 | 0.040 | 0.030 | 0.030 | 10.5/12.5 | - | - | 0.30/1.00 | - |
| X6Cr13 | 1.4000 | 0.08 | 1.00 | 1.00 | 0.040 | 0.030 | - | 12.0/14.0 | - | - | - | - |
| X6Cr17 | 1.4016 | 0.08 | 1.00 | 1.00 | 0.040 | 0.030 | - | 16.0/18.0 | - | - | - | - |
| X6CrMoS17 | 1.4105 | 0.08 | 1.50 | 1.50 | 0.040 | 0.15/0.35 | - | 16.0/18.0 | - | 0.20/0.60 | - | - |
| X6CrMo17-1 | 1.4113 | 0.08 | 1.00 | 1.00 | 0.040 | 0.030 | - | 16.0/18.0 | - | 0.90/1.40 | - | - |
| Ferritic stainless steels-special grade | ||||||||||||
| X2CrTi17 | 1.4520 | 0.025 | 0.50 | 0.50 | 0.040 | 0.015 | 0.015 | 16.0/18.0 | - | - | - | Ti: 0.30/0.60 |
| X3CrNb17 | 1.4511 | 0.05 | 1.00 | 1.00 | 0.040 | 0.030 | - | 16.0/18.0 | - | - | - | Nb: 12xC/1.00 |
| X2CrMoTiS18-2 4 | 1.4523 | 0.030 | 1.00 | 0.50 | 0.040 | 0.15/0.35 | - | 17.5/19.0 | - | 2.00/2.50 | - | Ti: 0.30/0.80 (C+N): 0.040 |
| X6CrMoNb17-1 | 1.4526 | 0.08 | 1.00 | 1.00 | 0.040 | 0.015 | 0.040 | 16.0/18.0 | - | 0.80/1.40 | - | Nb: [7x(C+N)+0.10]/1.00 |
| X2CrTiNb18 | 1.4509 | 0.030 | 1.00 | 1.00 | 0.040 | 0.015 | - | 17.5/18.5 | - | - | - | Ti: 0.10/0.60 Nb: [(3xC)+0.30]/1.00 |
| Martensitic stainless steels-standard grades | ||||||||||||
| X12Cr13 | 1.4006 | 0.08/0.15 | 1.00 | 1.50 | 0.040 | 0.030 | - | 11.5/13.5 | - | - | 0.75 | - |
| X12CrS13 | 1.4005 | 0.06/0.15 | 1.00 | 1.50 | 0.040 | 0.15/0.35 | - | 12.0/14.0 | - | 0.60 | - | - |
| X15Cr13 | 1.4024 | 0.12/0.17 | 1.00 | 1.00 | 0.040 | 0.030 | - | 12.0/14.0 | - | - | - | - |
| X20Cr13 | 1.4021 | 0.16/0.25 | 1.00 | 1.50 | 0.040 | 0.030 | - | 12.0/14.0 | - | - | - | - |
| X30Cr13 | 1.4028 | 0.26/0.35 | 1.00 | 1.50 | 0.040 | 0.030 | - | 12.0/14.0 | - | - | - | - |
| X39Cr13 | 1.4031 | 0.36/0.42 | 1.00 | 1.00 | 0.040 | 0.030 | - | 12.5/14.5 | - | - | - | - |
| X46Cr13 | 1.4034 | 0.43/0.50 | 1.00 | 1.00 | 0.040 | 0.030 | - | 12.5/14.5 | - | - | - | - |
| X38CrMo14 | 1.4419 | 0.36/0.42 | 1.00 | 1.00 | 0.040 | 0.015 | 13.0/14.5 | - | 0.60/1.00 | |||
| X50CrMoV15 | 1.4116 | 0.45/0.55 | 1.00 | 1.00 | 0.040 | 0.030 | - | 14.0/15.0 | - | 0.50/0.80 | - | V: 0.10/0.20 |
| X55CrMo14 | 1.4110 | 0.48/0.60 | 1.00 | 1.00 | 0.040 | 0.030 | 13.0/15.0 | 0.50/0/80 | V: < 0.15 | |||
| X14CrMoS17 | 1.4104 | 0.10/0.17 | 1.00 | 1.50 | 0.040 | 0.15/0.35 | - | 15.5/17.5 | - | 0.20/0.60 | - | - |
| X39CrMo17-1 | 1.4122 | 0.33/0.45 | 1.00 | 1.50 | 0.040 | 0.030 | - | 15.5/17.5 | - | 0.80/1.30 | 1.00 | - |
| X17CrNi16-2 | 1.4057 | 0.12/0.22 | 1.00 | 1.50 | 0.040 | 0.030 | - | 15.0/17.0 | - | - | 1.50/2.50 | - |
| X3CrNiMo13-4 | 1.4313 | 0.05 | 0.70 | 1.50 | 0.040 | 0.015 | 0.020 | 12.0/14.0 | - | 0.30/0.70 | 3.5/4.5 | - |
| X4CrNiMo16-5-1 | 1.4418 | 0.06 | 0.70 | 1.50 | 0.040 | 0.030 | 0.020 | 15.0/17.0 | - | 0.80/1.50 | 4.0/6.0 | - |
| Martensitic stainless steels-special grades | ||||||||||||
| X29CrS13 | 1.4029 | 0.25/0.32 | 1.00 | 1.50 | 0.040 | 0.15/0.25 | - | 12.0/13.5 | - | 0.60 | - | - |
| X46CrS13 | 1.4035 | 0.43/0.50 | 1.00 | 2.00 | 0.040 | 0.15/0.35 | - | 12.5/14.0 | - | - | - | - |
| X70CrMo15 | 1.4109 | 0.60/0.75 | 0.70 | 1.00 | 0.040 | 0.030 | - | 14.0/16.0 | - | 0.40/0.80 | - | - |
| X40CrMoVN16-2 | 1.4123 | 0.35/0.50 | 1.00 | 1.00 | 0.040 | 0.015 | - | 14.0/16.0 | - | 1.00/2.50 | 0.50 | V: 1.50 N: 0.10/0.30 |
| X105CrMo17 | 1.4125 | 0.95/1.20 | 1.00 | 1.00 | 0.040 | 0.030 | - | 16.0/18.0 | - | 0.40/0.80 | - | - |
| X90CrMoV18 | 1.4112 | 0.85/0.95 | 1.00 | 1.00 | 0.040 | 0.030 | - | 17.0/19.0 | - | 0.90/1.30 | - | V: 0.07/0.12 |
| X2CrNiMoV13-5-2 | 1.4415 | 0.030 | 0.50 | 0.50 | 0.040 | 0.015 | - | 11.5/13.5 | - | 1.50/2.50 | 4.5/6.5 | Ti: 0.010 V: 0.10/0.50 |
| Precipitation hardening stainless steels-standard grades | ||||||||||||
| X5CrNiCuNb16-4 | 1.4542 | 0.07 | 0.70 | 1.50 | 0.040 | 0.030 | - | 15.0/17.0 | 3.0/5.0 | 0.60 | 3.0/5.0 | Nb: 5xC/0.45 |
| X7CrNiAl17-7 | 1.4568 | 0.09 | 0.70 | 1.00 | 0.040 | 0.015 | - | 16.0/18.0 | - | - | 6.5/7.8 | Al: 0.70/1.50 |
| X5CrNiMoCuNb14-5 | 1.4594 | 0.07 | 0.70 | 1.00 | 0.040 | 0.015 | - | 13.0/15.0 | 1.20/2.00 | 1.20/2.00 | 5.0/6.0 | Nb: 0.15/0.60 |
| Precipitation hardening stainless steels-special grades | ||||||||||||
| X1CrNiMoAlTi12-9-2 | 1.4530 | 0.015 | 0.10 | 0.10 | 0.010 | 0.005 | 0.010 | 11.5/12.5 | - | 1.85/2.15 | 8.5/9.5 | Al: 0.60/0.80 Ti: 0.28/0.37 |
| X1CrNiMoAlTi12-10-2 | 1.4596 | 0.015 | 0.10 | 0.10 | 0.010 | 0.005 | 0.020 | 11.5/12.5 | - | 1.85/2.15 | 9.2/10.2 | Al: 0.80/1.10 Ti: 0.28/0.40 |
| X5NiCrTiMoVB25-12-2 | 1.4606 | 0.08 | 1.00 | 1.00/2.00 | 0.025 | 0.015 | - | 13.0/16.0 | - | 1.00/1.50 | 24.0/27.0 | B: 0.0010/0.010 Al: < 0.35 Ti:1.90/2.30 V: 0.10/0.50 |
| Austenitic stainless steels-standard grades | ||||||||||||
| X10CrNi18-8 | 1.4310 | 0.05/0.15 | 2.00 | 2.00 | 0.045 | 0.015 | 0.11 | 16.0/19.0 | - | 0.80 | 6.0/9.5 | - |
| X2CrNi18-9 | 1.4307 | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 17.5/19.5 | - | - | 8.0/10.5 | - |
| X2CrNi19-11 | 1.4306 | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 18.0/20.0 | - | - | 10.0/12.0 | - |
| X2CrNiN18-10 | 1.4311 | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 0.12/0.22 | 17.5/19.5 | - | - | 8.5/11.5 | - |
| X5CrNi18-10 | 1.4301 | 0.07 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 17.5/19.5 | - | - | 8.0/10.5 | - |
| X8CrNiS18-9 | 1.4305 | 0.10 | 1.00 | 2.00 | 0.045 | 0.15/0.35 | 0.11 | 17.0/19.0 | 1.00 | - | 8.0/10.0 | - |
| X6CrNiTi18-10 | 1.4541 | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | - | 17.0/19.0 | - | - | 9.0/12.0 | Ti: 5xC/0.70 |
| X4CrNi18-12 | 1.4303 | 0.06 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 17.0/19.0 | - | - | 11.0/13.0 | - |
| X2CrNiMo17-12-2 | 1.4404 | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 16.5/18.5 | - | 2.00/2.50 | 10.0/13.0 | - |
| X2CrNiMoN17-11-2 | 1.4406 | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 0.12/0.22 | 16.5/18.5 | - | 2.00/2.50 | 10.0/12.5 | - |
| X5CrMo17-12-2 | 1.4401 | 0.07 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 16.5/18.5 | - | 2.00/2.50 | 10.0/13.0 | - |
| X6CrNiMoTi17-12-2 | 1.4571 | 0.08 | 1.00 | 2.00 | 0.045 | 0.030 | - | 16.5/18.5 | - | 2.00/2.50 | 10.5/13.5 | Ti: 5xC/0.70 |
| X2CrNiMo17-12-3 | 1.4432 | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 16.5/18.5 | - | 2.50/3.00 | 10.5/13.0 | - |
| X2CrNiMoN17-13-3 | 1.4429 | 0.030 | 1.00 | 2.00 | 0.045 | 0.015 | 0.12/0.22 | 16.5/18.5 | - | 2.50/3.00 | 11.0/14.0 | - |
| X3CrNiMo17-13-3 | 1.4436 | 0.05 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 16.5/18.5 | - | 2.50/3.00 | 10.5/13.0 | - |
| X2CrNiMo18-14-3 | 1.4435 | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 17.0/19.0 | - | 2.50/3.00 | 12.5/15.0 | - |
| X2CrNiMoN17-13-5 | 1.4439 | 0.030 | 1.00 | 2.00 | 0.045 | 0.015 | 0.12/0.22 | 16.5/18.5 | - | 4.0/5.0 | 12.5/14.5 | - |
| X6CrNiCuS18-9-2 | 1.4570 | 0.08 | 1.00 | 2.00 | 0.045 | 0.15/0.35 | 0.11 | 17.0/19.0 | 1.40/1.80 | 0.60 | 8.0/10.0 | - |
| X3CrNiCu18-9-4 | 1.4567 | 0.04 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 17.0/19.0 | 3.0/4.0 | - | 8.5/10.5 | - |
| X1NiCrMoCu25-20-5 | 1.4539 | 0.020 | 0.70 | 2.00 | 0.030 | 0.010 | 0.15 | 19.0/21.0 | 1.20/2.00 | 4.0/5.0 | 24.0/26.0 | - |
| Austenitic stainless steels-special grades | ||||||||||||
| X5CrNi17-7 | 1.4319 | 0.07 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 16.0/18.0 | - | - | 6.0/8.0 | - |
| X9CrNi18-9 | 1.4325 | 0.03/0.15 | 1.00 | 2.00 | 0.045 | 0.030 | - | 17.0/19.0 | - | - | 8.0/10.0 | - |
| X5CrNiN19-9 | 1.4315 | 0.06 | 1.00 | 2.00 | 0.045 | 0.015 | 0.12/0.22 | 18.0/20.0 | - | - | 8.0/11.0 | - |
| X6CrNiNb18-10 | 1.4550 | 0.08 | 1.00 | 2.00 | 0.045 | 0.015 | - | 17.0/19.0 | - | - | 9.0/12.0 | Nb: 10xC/1.00 |
| X1CrNiMoN25-22-2 | 1.4466 | 0.020 | 0.70 | 2.00 | 0.025 | 0.010 | 0.10/0.16 | 24.0/26.0 | - | 2.00/2.50 | 21.0/23.0 | - |
| X6CrNiMoNb17-12-2 | 1.4580 | 0.08 | 1.00 | 2.00 | 0.045 | 0.015 | - | 16.5/18.5 | - | 2.00/2.50 | 10.5/13.5 | Nb: 10xC/1.00 |
| X2CrNiMo18-15-4 | 1.4438 | 0.030 | 1.00 | 2.00 | 0.045 | 0.030 | 0.11 | 17.5/19.5 | - | 3.0/4.0 | 13.0/16.0 | - |
| X1CrNiMoCuN24-22-8 | 1.4652 | 0.020 | 0.50 | 2.00/4.0 | 0.030 | 0.005 | 0.45/0.55 | 23.0/25.0 | 0.30/0.60 | 7.0/8.0 | 21.0/23.0 | - |
| X1CrNiSi18-15-4 | 1.4361 | 0.015 | 3.7/4.5 | 2.00 | 0.025 | 0.010 | 0.11 | 16.5/18.5 | - | 0.20 | 14.0/16.0 | - |
| X11CrNiMnN19-8-6 | 1.4369 | 0.07/0.15 | 0.50/1.00 | 5.0/7.5 | 0.030 | 0.015 | 0.20/0.30 | 17.5/19.5 | - | - | 6.5/8.5 | - |
| X12CrMnNiN17-7-5 | 1.4372 | 0.15 | 1.00 | 5.5/7.5 | 0.045 | 0.015 | 0.05/0.25 | 16.0/18.0 | - | - | 3.5/5.5 | - |
| X8CrMnNiN18-9-5 | 1.4374 | 0.05/0.10 | 0.30/0.60 | 9.0/10.0 | 0.035 | 0.030 | 0.25/0.32 | 17.5/18.0 | 0.40 | 0.50 | 5.0/6.0 | - |
| X8CrMnCuNB17-8-3 | 1.4597 | 0.10 | 2.00 | 6.5/8.5 | 0.040 | 0.030 | 0.15/0.30 | 16.0/18.0 | 2.00/3.5 | 1.00 | 2.00 | B: 0.0005/0.0050 |
| X3CrNiCu19-9-2 | 1.4560 | 0.035 | 1.00 | 1.50/2.00 | 0.045 | 0.015 | 0.11 | 18.0/19.0 | 1.50/2.00 | - | 8.0/9.0 | - |
| X3CrNiCuMo17-11-3-2 | 1.4578 | 0.04 | 1.00 | 1.00 | 0.045 | 0.015 | 0.11 | 16.5/17.5 | 3.0/3.5 | 2.00/2.50 | 10.0/11.0 | - |
| X1NiCrMoCu31-27-4 | 1.4563 | 0.020 | 0.70 | 2.00 | 0.030 | 0.010 | 0.11 | 26.0/28.0 | 0.70/1.50 | 3.0/4.0 | 30.0/32.0 | - |
| X1CrNiMoCuN25-25-5 | 1.4537 | 0.020 | 0.70 | 2.00 | 0.030 | 0.010 | 0.17/0.25 | 24.0/26.0 | 1.00/2.00 | 4.7/5.7 | 24.0/27.0 | - |
| X1CrNiMoCuN20-18-7 4 | 1.4547 | 0.020 | 0.70 | 1.00 | 0.030 | 0.010 | 0.18/0.25 | 19.5/20.5 | 0.50/1.00 | 6.0/7.0 | 17.5/18.5 | - |
| X2CrNiMoCuS17-10-2 | 1.4598 | 0.030 | 1.00 | 2.00 | 0.045 | 0.10/0.20 | 0.11 | 16.5/18.5 | 1.30/1.80 | 2.00/2.50 | 10.0/13.0 | - |
| X1CrNiMoCuNW24-22-6 | 1.4659 | 0.020 | 0.70 | 2.00/4.0 | 0.030 | 0.010 | 0.35/0.50 | 23.0/25.0 | 1.00/2.00 | 5.5/6.5 | 21.0/23.0 | W: 1.50/2.50 |
| X1NiCrMoCuN25-20-7 | 1.4529 | 0.020 | 0.50 | 1.00 | 0.030 | 0.010 | 0.15/0.25 | 19.0/21.0 | 0.50/1.50 | 6.0/7.0 | 24.0/26.0 | - |
| X2CrNiMnMoN25-18-6-5 | 1.4565 | 0.030 | 1.00 | 5.0/7.0 | 0.030 | 0.015 | 0.30/0.60 | 24.0/26.0 | - | 4.0/5.0 | 16.0/19.0 | Nb: 0.15 |
| Austenitic-ferritic stainless steels-standard grades | ||||||||||||
| X3CrNiMoN27-5-2 | 1.4460 | 0.05 | 1.00 | 2.00 | 0.035 | 0.030 | 0.05/0.20 | 25.0/28.0 | - | 1.30/2.00 | 4.5/6.5 | - |
| X2CrNiMoN22-5-3 | 1.4462 | 0.030 | 1.00 | 2.00 | 0.035 | 0.015 | 0.10/0.22 | 21.0/23.0 | - | 2.50/3.5 | 4.5/6.5 | - |
| Austenitic-ferritic stainless steels-special grades | ||||||||||||
| X2CrNiN23-4 | 1.4362 | 0.030 | 1.00 | 2.00 | 0.035 | 0.015 | 0.05/0.20 | 22.0/24.0 | 0.10/0.60 | 0.10/0.60 | 3.5/5.5 | - |
| X2CrNiMoN29-7-2 | 1.4477 | 0.030 | 0.50 | 0.80/1.50 | 0.035 | 0.015 | 0.30/0.40 | 28.0/30.0 | 0.80 | 1.50/2.60 | 5.8/7.5 | - |
| X2CrNiMoCuN25-6-3 | 1.4507 | 0.030 | 0.70 | 2.00 | 0.035 | 0.015 | 0.20/0.30 | 24.0/26.0 | 1.00/2.50 | 3.0/4.0 | 6.0/8.0 | - |
| X2CrNiMoN25-7-4 | 1.4410 | 0.030 | 1.00 | 2.00 | 0.035 | 0.015 | 0.24/0.35 | 24.0/26.0 | - | 3.0/4.5 | 6.0/8.0 | - |
| X2CrNiMoCuWN25-7-4 | 1.4501 | 0.030 | 1.00 | 1.00 | 0.035 | 0.015 | 0.20/0.30 | 24.0/26.0 | 0.50/1.00 | 3.0/4.0 | 6.0/8.0 | W: 0.50/1.00 |
| X2CrNiMoSi18-5-3 | 1.4424 | 0.030 | 1.40/2.00 | 1.20/2.00 | 0.035 | 0.015 | 0.05/0.10 | 18.0/19.0 | - | 2.50/3.0 | 4.5/5.2 | - |
Source: bssa.org.uk
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