Niagara LaSalle 4140 Leaded Cold Finished Steel Bar

Category	Metal , Ferrous Metal , Alloy Steel , AISI 4000 Series Steel
Manufacturer	Niagara LaSalle
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Niagara LaSalle 4140 Leaded Cold Finished Steel Bar.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

The addition of lead to this grade permits the production of some 25% more parts with excellent finish and good tool life. Machinability is raised to 145 sfm. Like 4140 annealed, it responds well to heat treatment with good strength and wear resistance, excellent toughness, good ductility in the quenched and tempered condition.Information provided by Niagra LaSalle Corporation

Component Elements Properties	Metric	English	Comments
Carbon, C	0.38 - 0.43 %	0.38 - 0.43 %
Chromium, Cr	0.80 - 1.1 %	0.80 - 1.1 %
Iron, Fe	96.445 - 97.62 %	96.445 - 97.62 %	as balance
Lead, Pb	0.15 - 0.35 %	0.15 - 0.35 %
Manganese, Mn	0.75 - 1.0 %	0.75 - 1.0 %
Molybdenum, Mo	0.15 - 0.25 %	0.15 - 0.25 %
Phosphorous, P	<= 0.035 %	<= 0.035 %
Silicon, Si	0.15 - 0.35 %	0.15 - 0.35 %
Sulfur, S	<= 0.040 %	<= 0.040 %

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