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50CrV4

1.8160
alloy_steelspring
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Chromium-vanadium spring/tool steel — identical alloy system to 51CrV4 (1.8159) but recognized as a separate grade in some standards. Dual use: heavy-duty springs (EN 10089) AND cold work tools (knives, shear blades). V improves temper resistance and grain refinement. UTS 1200-1500 QT. Used for heavy leaf springs, stabilizer bars, torsion bars, and cold work cutting tools.

International equivalents

FlagStandardCountryGradeNumberMatch
🇺🇸AISIUSAAISI 6150 (close)—REF
🇪🇺ENEurope50CrV4 / 1.81601.8160100%

Sources: ASTM A29, EN 10089

Chemical composition comparison (wt%)

Side-by-side: 50CrV4 (EN 10089) vs 50CrV4 / 1.8160 (EN) (EN 10089)

Element50CrV4 (EN 10089)50CrV4 / 1.8160 (EN)Overlap
C—0.47–0.55%—
Si—0–0.4%—

Mechanical properties

Compatibility verdict

50CrV4 and 50CrV4 / 1.8160: 100% composition match

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