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It has been suggested that this article be merged into SAE steel grades. (Discuss) Proposed since September 2016.

440C is a 400 series stainless steel, and is the highest carbon content from 400 stainless steel series. It is usually heat treated to reach hardness of 58–60 HRC. It is a bearing steel, and used in rolling contact stainless bearings, e.g. ball and roller bearings. It is also used to make knife blades. 440c can be oil quenched to achieve maximum hardness.

Composition

440C has a carbon (C) content of 0.95–1.20%, chromium (Cr) content of 16.00–18.00%, molybdenum (Mo) content of 0.75%, Manganese (Mn) content of 1.0%, and silicon content of 1.0%.^[1]

References

^ "AISI 440C Knife Steel Composition Analysis Graph and Information Details". Retrieved 5 August 2013.

v t e SAE International
Organizations	Association of Licensed Automobile Manufacturers FISITA Société des ingénieurs de l'automobile
Standards	ARP4754 ARP4761 AS9000 AS9100 SAE J300 SAE J306 SAE J1587 SAE J1708 SAE J1772 SAE J1814 SAE J1939 SAE J2452 SAE J3016 SAE J3068 SAE J3105 SAE J3400
Awards	Wright Brothers Medal
People	Andrew L. Riker Henry Ford
Competitions	Baja SAE Formula SAE SAE Aerodesign SAE Supermileage Competition
Related	Engineering Societies' Building SAE steel grades SAE 304 SAE 316 SAE 316L SAE 440C SAE 630 SAE 904L

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 {{notability|date=September 2016}}
 {{mergeto|SAE steel grades|date=September 2016}}
-'''440C''' is a [[SAE steel grades|400 series stainless steel]], and is the highest carbon content from 400 stainless steel series. It is usually [[Heat treating|heat treated]] to reach hardness of 58–60 [[Rockwell scale|HRC]]. It is a bearing steel, and used in rolling contact stainless bearings, e.g. ball and roller bearings. it is also used to make knife blades. 440c can be oil quenched to achieve maximum hardness.
+'''440C''' is a [[SAE steel grades|400 series stainless steel]], and is the highest carbon content from 400 stainless steel series. It is usually [[Heat treating|heat treated]] to reach hardness of 58–60 [[Rockwell scale|HRC]]. It is a bearing steel, and used in rolling contact stainless bearings, e.g. ball and roller bearings. It is also used to make knife blades. 440c can be oil quenched to achieve maximum hardness.
 ==Composition==