Comparison
Below is a table comparing steel grades from different grading systems.
| EN steel number (Europe) | EN steel name (Europe) | ASTM grade (USA) | AISI/SAE grade (USA) | UNS (USA) | DIN (Germany) | BS (UK) | UNI (Italy) | JIS (Japan) |
|---|---|---|---|---|---|---|---|---|
| Carbon steels | ||||||||
| 1.1141 1.0401 1.0453 | C15D C18D | 1010 1018 | CK15 C15 C16.8 | 040A15 080M15 080A15 EN3B | C15 C16 1C15 | S12C S15 S15CK S15C | ||
| 1.0503 1.1191 1.1193 1.1194 | C45 | 1045 | C45 CK45 CF45 CQ45 | 060A47 080A46 080M46 | C45 1C45 C46 C43 | S45C S48C | ||
| 1.0726 1.0727 | 35S20 45S20 | 1140/1146 | 35S20 45S20 | 212M40 En8M | ||||
| 1.0715 1.0736 | 11SMn37 | 1215 | 9SMn28 9SMn36 | 230M07 En1A | CF9SMn28 CF9SMn36 | SUM 25 SUM 22 | ||
| 1.0718 1.0737 | 11SMnPb30 11SMnPb37 | 12L14 | 9SMnPb28 9SMnPb36 | 230M07 Leaded En1B Leaded | CF9SMnPb29 CF9SMnPb36 | SUM 22 SUM 23 SUM 24 | ||
| Alloy steels | ||||||||
| 1.7218 | 4130 | 25CrMo4 GS-25CrMo4 | 708A30 CDS110 | 25CrMo4 (KB) 30CrMo4 | SCM 420 SCM 430 SCCrM1 | |||
| 1.7223 1.7225 1.7227 1.3563 | 42CrMo4 | 4140/4142 | 41CrMo4 42CrMo4 42CrMoS4 43CrMo4 | 708M40 708A42 709M40 En19 En19C | 41CrMo4 38CrMo4 (KB) G40 CrMo4 42CrMo4 | SCM 440 SCM 440H SNB 7 SCM 4M SCM 4 | ||
| 1.6582 1.6562 | 34CrNiMo6 | 4340 | 34CrNiMo6 40NiCrMo8-4 | 817M40 En24 | 35NiCrMo6 (KB) 40NiCrMo7 (KB) | SNCM 447 SNB24-1-5 | ||
| 1.6543 1.6523 | 20NiCrMo2-2 | 8620 | 21NiCrMo22 21NiCrMo2 | 805A20 805M20 | 20NiCrMo2 | SNCM 200 (H) | ||
| 1.5415 | 16Mo3 | A240 A/B/C | K12822 K12320 K12020 K11820 | 15Mo3 | 1503-243B 240 243 | 15Mo3 16Mo3 | STBA12 | |
| Stainless steels | ||||||||
| 1.4310 | X10CrNi18-8 | 301 | S30100 | |||||
| 1.4318 | X2CrNiN18-7 | 301LN | ||||||
| 1.4305 | X8CrNiS18-9 | 303 | S30300 | X10CrNiS18-9 | 303S 31 En58M | X10CrNiS18-09 | SUS 303 | |
| 1.4301 | X2CrNi19-11 X2CrNi18-10 | 304 | S30400 | X5CrNi18-9 X5CrNi18-10 XCrNi19-9 | 304S 15 304S 16 304S 18 304S 25 En58E | X5CrNi18-10 | SUS 304 SUS 304-CSP | |
| 1.4306 | X2CrNi19-11 | 304L | S30403 | 304S 11 | SUS304L | |||
| 1.4311 | X2CrNiN18-10 | 304LN | S30453 | |||||
| 1.4948[citation needed] | X6CrNi18-11 | 304H | S30409 | |||||
| 1.4303[citation needed] | X5CrNi18-12 | 305 | S30500 | |||||
| 1.4401 1.4436 | X5CrNiMo17-12-2 X5CrNiMo18-14-3 | 316 | S31600 | X5CrNiMo17 12 2 X5CrNiMo17 13 3 X5CrNiMo 19 11 X5CrNiMo 18 11 | 316S 29 316S 31 316S 33 En58J | X5CrNiMo17 12 X5CrNiMo17 13 X8CrNiMo17 13 | SUS 316 SUS316TP | |
| 1.4404 | X2CrNiMo17-12-2 | 316L | S31603 | 316S 11 | SUS316L | |||
| 1.4406 1.4429 | X2CrNiMoN17-12-2 X2CrNiMoN17-13-3 | 316LN | S31653 | |||||
| 1.4571 | 316Ti | S31635 | X6CrNiMoTi17-12 | 320S 33 | ||||
| 1.4438 | X2CrNiMo18-15-4 | 317L | S31703 | |||||
| 1.4541 | 321 | S32100 | X6CrNiTi18-10 | 321S 31 | SUS321 | |||
| 1.4848 | GX40CrNiSi25-20 | A351 HK40 | J94204 | SEW 595 GX40CrNiSi25-20 | 310C40 | SCH22 | ||
| 1.4859 | GX10NiCrSiNb32-20 | N08151 | GX10NiCrSiNb32-20 | |||||
| 1.4878,[citation needed] | X12CrNiTi18-9 X8CrNiTi18-10 | 321H | S32109 | |||||
| 1.4906 | X7CrNiNb18-10 | 347H | S34709 | |||||
| 1.4512[citation needed] | X6CrTi12 | 409 | S40900 | SUH409 | ||||
| 410 | S41000 | |||||||
| 1.4016 | 430 | S43000 | X6Cr17 | 430S 17 | SUS430 | |||
| 440A | S44002 | |||||||
| 1.4112[citation needed] | 440B | S44003 | ||||||
| 1.4125[citation needed] | 440C | S44004 | X105CrMo17 | SUS440C | ||||
| 1.4104 | 430F | S44020 | X14CrMoS17 | SUS430F | ||||
| 1.4057 | X17CrNi16-2 | 431 X[5] | S43100 | X16CrNi16 | 431S 29 | SUS431 | ||
| 1.5423 | 16Mo5 | A335 P1 | 4520 4419H 4419 | K11522 | 16Mo5 | STPA12 | ||
| 1.7715 | 14MoV6-3 | A335 P2 | K11547 | 14MoV6-3 | 660 | STPA20 | ||
| 1.7335 1.7338 | 13CrMo4-5 10CrMo5-5 | A335 P11 | K11597 | STPA23 | ||||
| 1.7375 1.7380 1.7383 | 10CrMo9-10 11CrMo9-10 12CrMo9-10 | A335 P22 | K21590 | 17175 10CrMo910 | STPA24 | |||
| 1.7362 1.7366 | X11CrMo5 X12CrMo5 12CrMo19-5 | A335 P5 | 501 502 | K41545 S50100 S50200 | STPA25 | |||
| 1.7386 | X11CrMo9-1 X12CrMo9-1 | A335 P9 | 503 | S50400 S50488 K90941 | STPA26 | |||
| 1.4903 | X10CrMoVNbN9-1 | A335 P91 | K91560 | X10CrMoVNbN9-1 | ||||
| 1.4905 1.4906 | X11CrMoWVNb9-1-1 X12CrMoWVNbN10-1-1 | A335 P92 | K92460 | X11CrMoWVNb9-1-1 X12CrMoWVNbN10-1-1 | ||||
| 1.4539 | X1NiCrMoCu25-20-5 | 904L | N08904 | |||||
| 1.4547 | X1CrNiMoCuN20-18-7 | S31254 | ||||||
| 1.4565 | NIT50 | S20910 | ||||||
| NIT60 | S21800 | |||||||
| Tool steels | ||||||||
| 1.2363 | X100CrMoV5 | A-2 | T30102[6] | X100CrMoV51 | BA 2 | X100CrMoV5-1 KU | SKD 12 | |
| A-3 | T30103[7] | |||||||
| A-4 | T30104[8] | |||||||
| A-6 | T30106[9] | |||||||
| A-7 | T30107[10] | |||||||
| A-8 | T30108[11] | |||||||
| A-9 | T30109[12] | |||||||
| 1.2365 | X32CrMoV3-3 32CrMoV12-28 | H10 | T20810 | X32CrMoV3-3 32CrMoV12-28 | SKD 7 | |||
| 1.2379 | X153CrMoV12 | D-2 | X153CrMoV12-1 | BD 2 | X155CrVMo12-1 | SKD 11 | ||
| 1.2510 | O-1 | 100MnCrW4 | Bo 1 | 95MnWCr-5 KU | ||||