28Mn6
1.1170Manganese case-hardening steel for large components requiring deep case depth. Higher Mn than 16MnCr5 for better hardenability in thick sections. Used for large gears, heavy-duty pinions, and mining/construction equipment.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AISI | USA | AISI 1330 (approx) | — | REF |
| 🇪🇺 | EN | Europe | 28Mn6 | 1.1170 | 100% |
Sources: ASTM A29, EN 10084:2008
Chemical composition comparison (wt%)
Side-by-side: 28Mn6 (EN 10084) vs 28Mn6 (EN) (EN 10084:2008)
| Element | 28Mn6 (EN 10084) | 28Mn6 (EN) | Overlap |
|---|---|---|---|
| C | — | 0.25–0.32% | — |
| Si | — | 0–0.4% | — |
Mechanical properties
Compatibility verdict
28Mn6 and 28Mn6: 100% composition match
Related materials
42CrMo4
1.7225High-strength quenched and tempered chromium-molybdenum steel. Widely used for shafts, gears, crankshafts, connecting rods, and high-strength bolts. Excellent hardenability and good fatigue resistance.
34CrNiMo6
1.6582High-strength quenched and tempered Cr-Ni-Mo steel. Excellent hardenability and toughness, suitable for large cross-sections. Used for heavy-duty shafts, gears, turbine parts, and aerospace components.
16MnCr5
1.7131Low-carbon case-hardening steel with manganese and chromium. Excellent for carburizing to produce a hard, wear-resistant surface with a tough core. Standard choice for gears, camshafts, piston pins, and transmission components.
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