AISI 7140 Steel — Specifications & Listings

AISI

Aluminium chrome molybdenum nitriding steel

Forms: Round Bar Category: Alloy Steel

Grade Details

Grade	AISI 7140
Standard	AISI
Description	Aluminium chrome molybdenum nitriding steel
Applications	Nitrided gears, crankshafts, cylinder liners

Equivalent / Similar Grades

Chemical Composition (%)

C	Mn	Cr	Mo	Al
0.38–0.45	0.50–0.70	1.40–1.80	0.30–0.45	0.85–1.20

Mechanical Properties

Tensile Strength	900–1050 MPa
Surface Hardness HV	≥900 (nitrided)

Typical Available Sizes

Round Bar

20mm–200mm dia

Sizes are indicative. Contact seller for exact availability.

Active AISI 7140 Listings on M-EX

AISI 7140 Round Bar

4.100 MT

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