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Alloy steel.

Quality Material number Norm
C35 1.0501 EN ISO 683-1 (EN 10083)
C45 1.0503 EN ISO 683-1 (EN 10083)
C60 1.0601 EN ISO 683-1 (EN 10083)
100Cr6 1.3505 EN ISO 683-17
20MnV6 1.5217 EN ISO 683-2 (EN 10083)
20MnB5 1.5530 EN ISO 683-2 (EN 10083)
30CrNiMo8 1.6580 EN ISO 683-2 (EN 10083)
34CrNiMo6 1.6582 EN ISO 683-2 (EN 10083)
41Cr4 1.7035 EN ISO 683-2 (EN 10083)
42CrMoS4 1.7227 EN ISO 683-2 (EN 10083)
34CrAlNi7-10 1.8550 EN 10085
34CrAlMo5-10 1.8507 EN 10085

Other qualities on request

Alloy steel.

An alloy of iron and carbon is called steel. However, not every type of steel is suitable for every application. A safety component in a machine or car has different requirements than a knob of a kitchen cabinet. To make steel suitable for high-quality applications, it is alloyed. A steel is alloyed when it contains between 1.5% and 5% of alloys (excluding carbon).

By a combination of chemical elements, production process, and heat treatment, steel is made “higher quality”; so-called alloying. According to the “stahlschlussel”, hundreds of types of alloyed steel are standardized, each with its unique properties and applications.

Alloying, however, is different from refining. Refining of steel is the changing of mechanical values (Rm, Re, and elongation) while maintaining the chemical analysis. Refining of steel is done through temperature (ovens) or through electricity (induction). By achieving an optimum of temperature, time, and cooling speed, the values are brought within the desired range.

Common refining notations are:

+A Soft annealed
+S Stress-relieved annealed
+AC Annealed with "spheroidized carbides", for example for ball bearing steel
+QT Quenching and tempering
+N Normalizing
Scroll horizontally in the table to see everything

Note: if an alloyed steel is indicated with +AR (as rolled), no refining has taken place.

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We only supply raw materials that meet the correct EN standards, including European regulations such as 2011/65/EU RoHS II and 1907/2006 Reach, which are mentioned on the material certificates.

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Alloy steel

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