42MnV7
1.5223Vanadium-microalloyed medium-carbon steel for controlled-cooling after forging — achieves target properties without separate Q&T heat treatment ("as-forged" concept). V precipitates (VN, VC) give precipitation strengthening during air cooling. THE modern automotive crankshaft steel — replaces 42CrMo4 Q&T at lower total cost (no heat treatment furnace needed). Also used for connecting rods and large forged parts.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇪🇺 | EN | Europe | 42MnV7 / 1.5223 | 1.5223 | 100% |
Sources: EN 10267
Chemical composition comparison (wt%)
Side-by-side: 42MnV7 (EN 10267) vs 42MnV7 / 1.5223 (EN) (EN 10267)
| Element | 42MnV7 (EN 10267) | 42MnV7 / 1.5223 (EN) | Overlap |
|---|---|---|---|
| C | — | 0.39–0.46% | — |
| Si | — | 0.15–0.5% | — |
Mechanical properties
Compatibility verdict
42MnV7 and 42MnV7 / 1.5223: 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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