Bearing SteelsAMS 6440/6444 (52100) Bar

A low alloy bearing steel that has a variety of industrial applications due to its diverse properties.

52100 is resistant to damage, has a high level of hardness and is magnetic. Heat conditioning can make alloy 52100 a good choice for applications that require tension resistance and strength under pressure.

52100 is machinable and when this metal is tempered, it can be easier to work with than other metals.

Alloy 52100 is a deep hardening alloy steel. Typical applications are within the aerospace industry, specifically aircraft bearings and in other high stressed parts where good rolling contact fatigue strength is required.

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Properties

Chemical Composition

Chemical Element	% Present
Manganese (Mn)	0.00 - 0.35
Silicon (Si)	0.00 - 0.30
Phosphorous (P)	0.00 - 0.03
Carbon (C)	Balance
Chromium (Cr)	Balance

Physical Property	Value
Density	7.75 g/cm³
Modulus of Elasticity	200 GPa

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Disclaimer

This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon. Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.

The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed S online) and manufacturers' data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources. Material supplied by the Company may vary significantly from this data but will conform to all relevant and applicable standards. As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose, whether expressed or implied. Advice given by the Company to any third party is given for that party's assistance only and without liability on the part of the Company. All transactions are subject to the Company's current Conditions of Sale. The extent of the Company's liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.