Niagara LaSalle 4140 Cold Finished Steel Bar

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Niagara LaSalle 4140 Cold Finished Steel Bar
Categories:	Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel
Material Notes:	This alloy responds well to heat treatment. Its chromium content provides good hardenss penetration, and the molybdenum imparts uniformity of hardness and high strength. In the annealed condition it machines at 110 sfm. Other desirable properties include good wear resistance, excellent toughness and good ductility in the quenched and tempered condition. Information provided by Niagra LaSalle Corporation
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Component Elements Properties	Original Value	Comments

Carbon, C	0.38 - 0.43 %
Chromium, Cr	0.80 - 1.1 %
Iron, Fe	96.795 - 97.77 %	as balance
Manganese, Mn	0.75 - 1.0 %
Molybdenum, Mo	0.15 - 0.25 %
Phosphorus, P	<= 0.035 %
Silicon, Si	0.15 - 0.35 %
Sulfur, S	<= 0.040 %

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NNIAL013 / 160303

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