Micro-Alloy Steel
38MnVS6 · 1.1303
Also known as vanadium microalloy forging steel
Vanadium micro-alloyed forging steel that hardens from forging heat.
38MnVS6 (material 1.1303) is a vanadium micro-alloyed medium-carbon steel that reaches its mechanical properties by controlled cooling directly from forging heat — no separate quench-and-temper needed. Widely used for forged crankshafts, connecting rods and automotive components.
International equivalents.
The same steel by country and standard — near matches; mill certificate governs.
Chemical composition.
Indicative, % by weight per EN 10267. Mill certificate governs.
| Element | % |
|---|---|
| C | 0.34 – 0.41 |
| Si | 0.15 – 0.80 |
| Mn | 1.20 – 1.60 |
| V | 0.08 – 0.20 |
| S | 0.045 – 0.065 |
Mechanical properties.
Indicative values for a reference section and heat-treatment condition. Actual properties vary with dimension and treatment, and are confirmed on the mill certificate.
Available forms.
Size: Ø 20 – 250 mm
Typical applications.
- Forged crankshafts
- Connecting rods
- Automotive forgings
- Axle components
FAQ.
What is 38MnVS6?
38MnVS6 (material 1.1303) is a vanadium micro-alloyed medium-carbon steel that reaches its mechanical properties by controlled cooling directly from forging heat — no separate quench-and-temper needed. Widely used for forged crankshafts, connecting rods and automotive components.
Is 38MnVS6 the same as vanadium microalloy forging steel?
Yes — 38MnVS6 and vanadium microalloy forging steel are matching designations for the same steel across different standards (EN, AISI/SAE, JIS, GB, former DIN). They are near equivalents and may differ slightly in chemistry, so the mill certificate governs the exact specification.
What are the international equivalents of 38MnVS6?
38MnVS6 corresponds to 38MnVS6 (1.1303) (EN), Microalloy / precipitation-hardening forging steel (type). Equivalents are nearest matches by country/standard; the mill certificate governs the exact specification.
In which forms is 38MnVS6 available?
38MnVS6 is supplied as Round bar, Forged, in Ø 20 – 250 mm.
What is 38MnVS6 used for?
Typical applications include Forged crankshafts, Connecting rods, Automotive forgings, Axle components.