33MnCrB5-2
1.7185Boron-alloyed case hardening steel with higher C (0.30-0.36%) than typical case-hardening grades. B addition for cost-effective hardenability. After carburizing: HRC 58-62 surface with tough core. THE chain link and chain pin steel — also used for agricultural equipment, earth-moving parts, and wear-resistant components requiring surface hardness with impact resistance.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | 33MnCrB5-2 / 1.7185 | 1.7185 | 100% |
Sources: EN 10084
Mechanical properties — Pro
Case Hardened
| Property | Value | Unit |
|---|---|---|
| Hardness HRC |
QT Core
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | ||
| Yield Strength | ||
| Elastic Modulus | ||
| Density |
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51CrMoV4
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20MnCr5
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