77 common workpiece materials mapped across EN, Werkstoffnummer, AISI/ASTM/UNS and JIS, grouped by ISO 513 class. Each material links to its machining starting point and the matching ISO material guide. Compiled from the public designation standards; nearest-matches are flagged, never passed off as twins.
| Material | Category | W.-Nr. | AISI / ASTM / UNS | JIS |
|---|---|---|---|---|
| C15 / AISI 1015 | P Low-carbon steel | 1.0401 | AISI 1015 | S15C |
| C45 / AISI 1045 | P Medium-carbon steel | 1.0503 | AISI 1045 | S45C |
| C60 / AISI 1060 | P Medium/high-carbon steel | 1.0601 | AISI 1060 | S58C (nearest) |
| S235JR / ASTM A36 | P Structural steel | 1.0038 | ASTM A36 | SS400 (nearest) |
| S355J2 / A572 Gr. 50 | P Structural steel | 1.0577 | ASTM A572 Gr. 50 | SM490B (nearest) |
| 11SMn30 / AISI 1213 | P Free-cutting steel | 1.0715 | AISI 1213 / 1215 | SUM22 |
| 42CrMo4 / AISI 4140 | P Alloy steel (CrMo) | 1.7225 | AISI 4140 | SCM440 |
| 25CrMo4 / AISI 4130 | P Alloy steel (CrMo) | 1.7218 | AISI 4130 | SCM430 |
| 34CrNiMo6 / AISI 4340 | P Alloy steel (CrNiMo) | 1.6582 | AISI 4340 | SNCM439 (nearest) |
| 16MnCr5 / AISI 5115 | P Case-hardening steel | 1.7131 | AISI 5115 | SCr415 (nearest) |
| 20MnCr5 / AISI 5120 | P Case-hardening steel | 1.7147 | AISI 5120 | SCr420 (nearest) |
| 100Cr6 / AISI 52100 | P Bearing steel | 1.3505 | AISI 52100 | SUJ2 |
| 51CrV4 / AISI 6150 | P Spring steel | 1.8159 | AISI 6150 | SUP10 |
| H13 / 1.2344 | P Hot-work tool steel | 1.2344 | AISI H13 | SKD61 |
| D2 / 1.2379 | P Cold-work tool steel | 1.2379 | AISI D2 | SKD11 |
| D3 / 1.2080 | P Cold-work tool steel | 1.2080 | AISI D3 | SKD1 |
| O1 / 1.2510 | P Cold-work tool steel | 1.2510 | AISI O1 | SKS3 (nearest) |
| O2 / 1.2842 | P Cold-work tool steel | 1.2842 | AISI O2 | — |
| P20 / 1.2311 | P Mold steel (pre-hardened) | 1.2311 | AISI P20 | — |
| M2 / 1.3343 | P High-speed steel | 1.3343 | AISI M2 | SKH51 |
| C22 / AISI 1020 | P Low-carbon steel | 1.0402 | AISI 1020 | S20C |
| C35 / AISI 1035 | P Medium-carbon steel | 1.0501 | AISI 1035 | S35C |
| C50 / AISI 1050 | P Medium/high-carbon steel | 1.0540 | AISI 1050 | S50C |
| S275JR / A529 Gr. 50 | P Structural steel | 1.0044 | ASTM A529 Gr. 50 | SS400 (nearest) |
| 30CrNiMo8 / 1.6580 | P Alloy steel (CrNiMo) | 1.6580 | AISI 4330 | — |
| 31CrMoV9 / 1.8519 | P Nitriding steel | 1.8519 | — | — |
| A2 / 1.2363 | P Cold-work tool steel | 1.2363 | AISI A2 | SKD12 |
| H11 / 1.2343 | P Hot-work tool steel | 1.2343 | AISI H11 | SKD6 |
| M35 / 1.3243 | P High-speed steel (Co) | 1.3243 | AISI M35 | SKH55 |
| AISI 303 / 1.4305 | M Austenitic stainless (free-cutting) | 1.4305 | AISI 303 | SUS303 |
| AISI 304 / 1.4301 | M Austenitic stainless | 1.4301 | AISI 304 | SUS304 |
| AISI 304L / 1.4307 | M Austenitic stainless (low C) | 1.4307 | AISI 304L | SUS304L |
| AISI 316 / 1.4401 | M Austenitic stainless (Mo) | 1.4401 | AISI 316 | SUS316 |
| AISI 316L / 1.4404 | M Austenitic stainless (low C, Mo) | 1.4404 | AISI 316L | SUS316L |
| AISI 316Ti / 1.4571 | M Austenitic stainless (Ti-stabilised) | 1.4571 | AISI 316Ti | SUS316Ti |
| AISI 321 / 1.4541 | M Austenitic stainless (Ti-stabilised) | 1.4541 | AISI 321 | SUS321 |
| 904L / 1.4539 | M Super-austenitic stainless | 1.4539 | UNS N08904 | — |
| AISI 410 / 1.4006 | M Martensitic stainless | 1.4006 | AISI 410 | SUS410 |
| AISI 420 / 1.4021 | M Martensitic stainless | 1.4021 | AISI 420 | SUS420J1 |
| AISI 430 / 1.4016 | M Ferritic stainless | 1.4016 | AISI 430 | SUS430 |
| AISI 431 / 1.4057 | M Martensitic stainless (Ni) | 1.4057 | AISI 431 | SUS431 |
| 17-4 PH / 1.4542 | M Precipitation-hardening stainless | 1.4542 | AISI 630 | SUS630 |
| Duplex 2205 / 1.4462 | M Duplex stainless | 1.4462 | UNS S32205 / S31803 | — |
| Super duplex 2507 / 1.4410 | M Super duplex stainless | 1.4410 | UNS S32750 | — |
| AISI 301 / 1.4310 | M Austenitic stainless (spring) | 1.4310 | AISI 301 | SUS301 |
| AISI 310S / 1.4845 | M Heat-resistant austenitic | 1.4845 | AISI 310S | SUS310S |
| AISI 416 / 1.4005 | M Free-cutting martensitic stainless | 1.4005 | AISI 416 | SUS416 |
| AISI 440C / 1.4125 | M High-carbon martensitic stainless | 1.4125 | AISI 440C | SUS440C |
| 254 SMO / 1.4547 | M Super-austenitic stainless | 1.4547 | UNS S31254 | — |
| EN-GJL-250 / A48 Class 35 | K Grey cast iron | EN-JL1040 | ASTM A48 Class 35 | FC250 |
| EN-GJS-400-15 / A536 60-40-18 | K Ductile (nodular) iron | EN-JS1030 | ASTM A536 60-40-18 | FCD400 |
| EN-GJS-600-3 / A536 80-55-06 | K Ductile (nodular) iron | EN-JS1060 | ASTM A536 80-55-06 | FCD600 |
| EN-GJL-200 / A48 Class 30 | K Grey cast iron | EN-JL1030 | ASTM A48 Class 30 | FC200 |
| EN-GJS-700-2 / A536 100-70-03 | K Ductile (nodular) iron | EN-JS1070 | ASTM A536 100-70-03 | FCD700 |
| EN AW-2024 / AlCu4Mg1 | N Aluminium (CuMg, aerospace) | 3.1355 | UNS A92024 | A2024 |
| EN AW-5083 / AlMg4.5Mn | N Aluminium (Mg, marine) | 3.3547 | UNS A95083 | A5083 |
| EN AW-6061 / AlMg1SiCu | N Aluminium (general purpose) | 3.3211 | UNS A96061 | A6061 |
| EN AW-6082 / AlSi1MgMn | N Aluminium (general purpose, EU) | 3.2315 | UNS A96082 · US practice: 6061 | — |
| EN AW-7075 / AlZn5.5MgCu | N Aluminium (high strength) | 3.4365 | UNS A97075 | A7075 |
| CuZn39Pb3 / C38500 | N Free-cutting brass | 2.0401 | UNS C38500 | C3604 (nearest) |
| EN AW-5754 / AlMg3 | N Aluminium (Mg) | 3.3535 | UNS A95754 | A5754 |
| EN AW-2007 / AlCu4PbMgMn | N Aluminium (free-cutting) | 3.1645 | 2011 | — |
| EN AW-6060 / AlMgSi | N Aluminium (extrusion) | 3.3206 | 6063 | A6063 (nearest) |
| EN AC-46000 / A380 | N Aluminium (die-cast) | — | A380 | ADC10 (nearest) |
| Cu-ETP / C11000 | N Pure copper | 2.0065 | UNS C11000 | C1100 |
| CuSn8 / C52100 | N Tin bronze | 2.1030 | UNS C52100 | C5212 |
| Titanium Grade 2 / 3.7035 | S Titanium (commercially pure) | 3.7035 | UNS R50400 | TP340 (nearest) |
| Ti-6Al-4V / Grade 5 | S Titanium alloy | 3.7164 / 3.7165 | UNS R56400 | — |
| Inconel 718 / 2.4668 | S Nickel superalloy | 2.4668 | UNS N07718 | — |
| Inconel 625 / 2.4856 | S Nickel superalloy | 2.4856 | UNS N06625 | — |
| Monel 400 / 2.4360 | S Nickel-copper alloy | 2.4360 | UNS N04400 | — |
| Hastelloy C-276 / 2.4819 | S Nickel-molybdenum alloy | 2.4819 | UNS N10276 | — |
| Alloy 20 / 2.4660 | S Ni-Fe-Cr alloy | 2.4660 | UNS N08020 | — |
| Titanium Grade 9 / 3.7195 | S Titanium alloy (Ti-3Al-2.5V) | 3.7195 | UNS R56320 | — |
| Nimonic 80A / 2.4952 | S Nickel superalloy | 2.4952 | UNS N07080 | — |
| Incoloy 825 / 2.4858 | S Ni-Fe-Cr alloy | 2.4858 | UNS N08825 | — |
| Waspaloy / 2.4654 | S Nickel superalloy | 2.4654 | UNS N07001 | — |
Open a material for the full designation table, machining notes, starting values and FAQ. “Nearest” pairings are flagged on their pages. Always verify against the material certificate.
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