EN 10084 — Case hardening steels. Technical delivery conditions
Scope
Case-hardening steels supplied as bar, rod, wire, forgings and hot-rolled flat products: C10E to C16E, 17Cr3, 16MnCr5, 20MnCr5, 18CrMo4, 20NiCrMo2-2, 18CrNiMo7-6, 20MoCr4 and others, with their +H hardenability bands and R (controlled S) variants. Specifies chemistry, Jominy bands, delivery hardness (+A, +FP, +S, +TH) and informative core properties.
Grades covered by EN 10084
| Grade | No. | Type | C % | Yield MPa | Tensile MPa | Nearest equivalents |
|---|---|---|---|---|---|---|
| 16MnCr5 | 1.7131 | Alloy case-hardening steel | 0.14 – 0.19 | ≥ 590 | 780–1080 | 5115, SCr415 / SCr420, 16CrMn / 20CrMn |
| C10 | 1.0301 | Unalloyed low-carbon case-hardening steel | 0.07 – 0.13 | ≥ 295 | 490–690 | 1010, 1008, S10C / S09CK |
| C15 | 1.0401 | Unalloyed case-hardening steel | 0.12 – 0.18 | ≥ 355 | 590–780 | 1015, 1018, S15C / S15CK |
Revision history and superseded standards
| Year | Change |
|---|---|
| 1998 | EN 10084:1998 — first European edition |
| 2008 | EN 10084:2008 — current; hardenability bands revised, 18CrNiMo7-6 added |
Supersedes: DIN 17210:1986 (Ck15, 16MnCr5, 20MnCr5); EN 10084:1998.
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