
| Commercial Name | UNS Number | UK: BSEN | Sweden: SS | USA: AISI/SAE | Germany: Wnr | Germany: DIN | France: AFNOR | Italy: UNI | Spain: UNF | Japan: JIS |
| Unalloy | ed Steel | s , | ||||||||
| A537 / A52CP | 2101/2102 | A537Cl.1/ A414Gr.G/A612 | 1.0473 | 19Mn6 | A52CP | A52RCI/RAII | SGV410/SGV450/ SGV480 | |||
| A570 / A50-2 | Fe490-2FN/4360-50B | 1550/2172 | A570Gr.50/ A572Gr.50 | 1.0050 | Fe490-2 (St50-2) | A50-2 | Fe490 | A490-2/Fe490-2FN | SS490 | |
| A570 / E24-2 | Fe360B/4360-40B | 1311/1312 | A570Gr.33,36 | 1.0036 | Fe360B(Ust37-2) | E24-2 | Fe360BFU | AE235B/Fe360B | ||
| A570 / E28-2 | Fe430BFN/144943/25HR, HS/4360-43B | 1411/1412 | A570Gr.40 | 1.0044 | Fe430B (St44-2) | E28-2 | FE430B/Fe430BFN | AE275B/Fe430BFN | SM400A;B;C | |
| A570.36 / E24.2Ne | 4360 40 C | 1311 | A570 36 | 1.0038 | RSt37.2 | E24.2Ne | ||||
| A572 / A60-2 | Fe590-2FN/4360-55E;55C | 1650 | A572Gr.65 | 1.0060 | Fe590-2(St60-2) | A60-2 | Fe60-2/Fe590 | A590-2/Fe590-2FN | SM570 | |
| A572.60 / E36 | E36 | |||||||||
| A573 / E38-3 | Fe430D1FF/4360-43C;43D | 1411/1412/1414 | A573Gr.70/ A611Gr.D | 1.0144 | Fe430D1 (St44-3) | E28-3/E28-4 | Fe430B/Fe430C(FN)/ Fe430D(FF) | AE275D/Fe430D1FF | SM400A;B;C | |
| A573.81.65 / E24.U | 1312 | A573.81 65 | 1.0116 | St37.3 | E24.U | Fe37.3 | ||||
| A619 | 14493CR | A619(1008) | 1.0347 | RRSt3 | E | FeP02 | ||||
| A633 / FeE355KGN | A588 | A633Gr.C | 1.0562 | StE355 | FeE355KGN/ E335R/FP | FeE355KG;KW | AE355KG;DD | SM490A;B;C;YA;YB | ||
| A70-2 | Fe690-2FN | 1655 | 1.0070 | Fe690-2(St70-2) | A70-2 | Fe70-2/Fe690 | A690-2/Fe690-2FN | |||
| A738 / A52FP | Fe510D2F- F/1501Gr.224-460/1501Gr.224-490 | A738 | 1.0577 | Fe510D2 (Ast52) | A52FP | A52RBII | ||||
| C25 | 070M26 | (M)1025 | 1.0406 | C25 | C25/1C25 | C25/1C25 | ||||
| E24-2 | Fe360B/144937/23HR | 1311 | 1.0037 | Fe360B(St37-2) | E24-2 | Fe360B;C;D | AE235B/Fe360B | STKM12A;C | ||
| E36-3 | Fe510D1FF/144950/35HR, HS/4360-50D | 2132/2133/2134 | 1.0570 | Fe510D1 (St52-3) | E36-3/E36-4 | Fe510CFN/ Fe510510B;C;D/ Fe510BFN | AE355D/Fe510D1FF | SM490A;B;C;YA;YB | ||
| L6 / 55NCDV07 | 2550 | L6 | 1.2713 | 55NiCrMoV6 | 55NCDV7 | F.520.S | SKT4 | |||
| P2 / 20MC5 | P2 | 1.2162 | 21MnCr5 | 20MC5 | SCR420H | |||||
| P20 / 40CMD8 | P20 | P20 | 1.2311 | 40CrMnMo7 | 40CMD8 | |||||
| P20+S / 40CMD8+S | P20+S | P20+S | 1.2312 | 40CrMnMoS86 | 40CMD8+S | |||||
| S1 / 55WC20 | BS1 | 2710 | S1 | 1.2542 | 45WCrV7 | 55WC20 | 45WCrV8KU | 45WCrSi8 | ||
| S4 | S4 | 1.2826 | 60MnSiCr4 | |||||||
| W110 / Y1105 | Y1105 | |||||||||
| W112 / Y2120 | W112 | 1.1663 | C125W | Y2120 | C120KU | C120 | SK2 | |||
| W210 / Y1105V | BW2 | W210 | 1.2833 | 100V1 | Y1105V | 102V2KUSKS43 | ||||
| Alloyed | Steels | |||||||||
| 12CD4 | 1501620 | 2216 | A38712-2 | 1.7262 | 15CrMo5 | 12CD4 | 12CrMo910 | 12CrMo4 | SCM415(H) | |
| 1330 / 20M5 | 150M28 | 1330 | 1.1170 | 28Mn6 | 20M5 | C28Mn | SCMn1 | |||
| 1335 / 40M5 | 2120 | 1335 | 1.1167 | 36Mn5 | 40M5 | 36Mn5 | SMn438(H) | |||
| 20AP 22CMSD4 | 22CMS4 | |||||||||
| 3135 / 35NC6 | 640A35 | 3135 | 1.5710 | 36NiCr6 | 35NC6 | SNC236 | ||||
| 3415 / 14NC11 | 3415 | 1.5732 | 14NiCr10 | 14NC11 | 16NiCr11 | 15NiCr11 | SNC415(H) | |||
| 35NCD14 | 35NCD14 | |||||||||
| 40CMD8 | 40CMD8 | |||||||||
| 420 / Z40C14 | 2314 | 420 | 1.2083 | X42Cr13 | Z40C14 | SUS420J2 | ||||
| 429 | 429 | |||||||||
| 4340 / 35NCD6 | 4340 | 35NCD6 | ||||||||
| 440C / Z100CD17 4520 | 440C 4520 | 1.4125 | X105CrMo17 | Z100CD17 |
| Material Gu | ide –Keyto Recommended Inserts Material Designation | ||
| P Unalloyed Steels | P Alloyed Steels | M Stainless Steels | M K N S H PH Stainless Aluminum & Alloys High Temp. Alloys Hard Materials Cast Irons |