Siderticino - Special Steels

40NiCrMo7 round bar, hot-rolled, quenched and tempered

Round bar in 40NiCrMo7 steel, hot-rolled and quenched and tempered, offering exceptional mechanical strength already in the delivery condition. The quenching and tempering treatment ensures an optimal combination of strength and toughness for highly stressed applications.

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Technical data

Type
Bar
Section
Round
Execution
Hot-rolled
Delivery condition
Quenched and tempered
Standard
UNI 7845:1978
Material
40NiCrMo7
Available sizes
Ø 20-330
Average density
7,850 kg/m³
Equivalent grades
40NiCrMo8-4, 1.6562, 4340

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 40NiCrMo7 round bar, hot-rolled, quenched and tempered

40NiCrMo7 steel in quenched and tempered hot-rolled round bars offers excellent mechanical properties. The combination of nickel and chromium, together with the quenching and tempering treatment, ensures high mechanical strength and remarkable toughness.

This material is particularly suitable for the production of highly stressed components such as transmission shafts, connecting rods and mechanical parts for heavy industry. The quenched and tempered delivery condition allows the material to be used directly without further heat treatment.

The structure obtained from the quenching and tempering process ensures an excellent balance between mechanical strength and toughness, making this steel ideal for applications subject to high dynamic loads.

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