35NiCrMo6
1.5815Nickel-chromium-molybdenum QT steel with 1.2-1.6% Ni for good toughness and hardenability. Between 34CrNiMo6 and 39NiCrMo3 in the alloy series. Good balance of strength, toughness, and fatigue resistance. Used for large crankshafts, heavy gears, turbine shafts, and highly stressed bolts in energy and heavy machinery sectors.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | 35NiCr6 / 1.5815 | 1.5815 | 100% |
Sources: EN 10083-3
Chemical composition comparison (wt%)
Side-by-side: 35NiCrMo6 (EN 10083-3) vs 35NiCr6 / 1.5815 (EN) (EN 10083-3)
| Element | 35NiCrMo6 (EN 10083-3) | 35NiCr6 / 1.5815 (EN) | Overlap |
|---|---|---|---|
| C | — | 0.3–0.38% | — |
| Si | — | 0–0.4% | — |
Mechanical properties
Compatibility verdict
35NiCrMo6 and 35NiCr6 / 1.5815: 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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