
| l Carbon S | teels | |
| JIS | AISI | DIN |
| S10C | 1010 | C10 |
| S15C | 1015 | C15 |
| S20C | 1020 | C22 |
| S25C | 1025 | C25 |
| S30C | 1030 | C30 |
| S35C | 1035 | C35 |
| S40C | 1040 | C40 |
| S45C | 1045 | C45 |
| S50C | 1049 | C50 |
| S55C | 1055 | C55 |
| l Ni-Cr-Mo | Steels | |
| SNCM220 | 8620 | 21NiCrMo2 |
| SNCM240 | 8640 | — |
| SNCM415 | — | — |
| SNCM420 | 4320 | — |
| SNCM439 | 4340 | 40NiCrMo6 |
| SNCM447 | — | 34NiCrMo6 |
| l Cr Steels | ||
| SCr415 | — | 15CrMo5 |
| SCr420 | 5120 | 20Cr4 |
| SCr430 | 5130 | 34Cr4 |
| SCr435 | 5132 | 37Cr4 |
| SCr440 | 5140 | 41Cr4 |
| SCr445 | 5147 | — |
| l Cr-Mo St | eels | |
| SCM415 | — | 15CrMo5 |
| SCM420 | — | 20CrMo5 |
| SCM430 | 4131 | 25CrMo4 |
| SCM435 | 4137 | 34CrMo4 |
| SCM440 | 4140 | 42CrMo4 |
| SCM445 | 4145 | — |
| l High Spe | ed Steels | l Austenitic | Stainless | Steels | |
| JIS | AISI | DIN | JIS | AISI | DIN |
| SKH2 | T1 | — | SUS201 | 201 | — |
| SKH3 | T4 | S18-1-2-5 | SUS202 | 202 | — |
| SKH10 | T15 | S12-1-4-5 | SUS301 | 301 | X12CrNi17 7 |
| SKH51 | M2 | S6-5-2 | SUS302 | 302 | — |
| SKH52 | M3–1 | — | SUS302B | 302B | — |
| SKH53 | M3–2 | S6-5-3 | SUS303 | 303 | X10CrNiS18 9 |
| SKH54 | M4 | — | SUS303Se | 303Se | — |
| SKH56 | M36 | — | SUS304 | 304 | X5CrNiS18 10 |
| l AlloyToo | l Steels | SUS304L | 304L | X2CrNi19 11 | |
| SUS304NI | 304N | — | |||
| SKS11 | F2 | — | SUS305 | 305 | X5CrNi18 12 |
| SKS51 | L6 | — | SUS308 | 308 | — |
| SKS43 | W2-91/2 | — | SUS309S | 309S | — |
| SKD1 | D3 | X210Cr12 | SUS310S | 310S | — |
| SKD11 | D2 | X155CrVMo12-1 | SUS316 | 316 | X5CrMo17 12 2 |
| SKD61 | — | X40CrVMo5-1 | SUS316L | 316L | X2CrNiMo17 13 2 |
| l GreyCas | t Iron | SUS316N | 316N | — | |
| FC100 | No 20B | GG-10 | SUS317 | 317 | — |
| FC150 | No 25B | GG-15 | SUS317L | 317L | X2CrNiMo18 16 4 |
| FC200 | No 30B | GG-20 | SUS321 | 321 | X6CrNiTi18 10 |
| FC250 | No 35B | GG-25 | SUS347 | 347 | X6CrNiNb18 10 |
| FC300 | No 45B | GG-30 | SUS384 | 384 | — |
| l FC350 Nodular | No 50B Cast Iron | GG-35 | l SUH31 Heat Resis | — tingStee | — ls |
| FCD400 | 60-40-18 | GGG-40 | SUH35 | — | — |
| FCD450 | — | GGG-40.3 | SUH36 | — | X53CrMnNi21 9 |
| FCD500 | 80-55-06 | GGG-50 | SUH37 | — | — |
| FCD600 | — | GGG-60 | SUH38 | — | — |
| FCD700 | 100-70-03 | GGG-70 | SUH309 | 309 | — |
| SUH310 | 310 | CrNi2520 | |||
| SUH330 | N08330 | — |
| Ferritic St | ainless St | eels | SUH21 | — | CrAl1205 |
| SUS405 | 405 | X10CrAl13 | SUH409 | 409 | X6CrTi12 |
| SUS429 | 429 | — | SUH446 | 446 | — |
| SUS430 | 430 | X6Cr17 | l Martensiti | Heat Re | istinSteels |
| SUS430F SUS434 | 430F 434 | X7CrMo18 X6CrMo17 1 | SUH1 SUH3 | — — | X45CrSi9 3 — g |
| Martensiti | c Stainles | s Steels | SUH4 | — | — |
| SUS403 | 403 | — | SUH11 | — | — |
| SUS410 | 410 | X10Cr13 | SUH600 | — | — |
| l Mn Steels and Mn-Cr Structural Use | Steels for |
| SMn420 1522 | — |
| SMn433 1534 | — |
| SMn438 1541 | — |
| SMn443 1541 | — |
| SMnC420 — | — |
| SMnC443 — | — |
| l Martensitic Stainless | Steels |
| SUS403 403 | — |
| SUS410 410 | X10Cr13 |
| SUS416 416 | — |
| SUS420JI 420 | X20Cr13 |
| SUS420F 420F | — |
| SUS431 431 | X20CrNi17 2 |
| SUS440A 440A | — |
| SUS440B 440B | — |
| SUS440C 440C | — |
| l Cr-Mo Steels | |
| SK1 — | — |
| SK2 W1-111/2 | — |
| SK3 W1-10 | C105W1 |
| SK4 W1-9 | — |
| SK5 W1-8 | C80W1 |
| SK6 — | C80W1 |
| SK7 — | C70W2 |