SAE J403 5140 Steel — Specifications & Listings

SAE J403

SAE 5140 is a chromium alloy steel with good hardenability and wear resistance. It is suitable for heat-treated engineering applications.

Category: Alloy Steel

Grade Details

Grade	SAE J403 5140
Standard	SAE J403
Description	SAE 5140 is a chromium alloy steel with good hardenability and wear resistance. It is suitable for heat-treated engineering applications.
Applications	Used for gears, shafts, spindles, automotive parts, bolts, and machine components.

Chemical Composition (%)

C	Mn	Si	Cr	P	S
0.38-0.43	0.70-0.90	0.15-0.35	0.70-0.90	0.035 max	0.040 max

Mechanical Properties

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