Siderticino - Special Steels

18NiCrMo5 round bar, hot-rolled, annealed

18NiCrMo5 steel round bar, hot-rolled and annealed, developed for high-responsibility applications. The balanced nickel and chromium-molybdenum content ensures excellent hardenability and mechanical strength after treatment.

Technical data

Type
Bar
Section
Round
Execution
Hot-rolled
Delivery condition
Annealed
Standard
UNI 7846:1978
Material
Available sizes
Ø 20-380
Average density
7,850 kg/m³
Equivalent grades
18NCD6, 17NiCrMo6-4, 1.6566, 4317

Weight calculation

Weight per metre
2.47 kg/m
Weight per piece
14.8 kg
Total weight
14.8 kg
Indicative theoretical weight. The final price is applied to the weight stated on the delivery note.
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Applications of 18NiCrMo5 round bar, hot-rolled, annealed

18NiCrMo5 steel in hot-rolled round bars stands out for its high nickel content and calibrated presence of chromium and molybdenum. This composition ensures an excellent combination of surface hardness and core toughness after heat treatments.

The material is particularly suitable for the production of components subjected to severe mechanical stresses such as gears, transmission shafts and components for the automotive sector. The presence of molybdenum improves fatigue resistance and hardenability.

The structure obtained from rolling, combined with the annealed condition, ensures excellent machinability and a uniform response to heat treatments. The high mechanical strength makes it ideal for critical applications.

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