JIS G4104 SCr440 Steel — Specifications & Listings

JIS G4104

SCr440 is a chromium alloy steel with good strength, hardenability, and wear resistance after heat treatment. It is suitable for medium duty power transmission applications.

Category: Alloy Steel

Grade Details

Grade	JIS G4104 SCr440
Standard	JIS G4104
Description	SCr440 is a chromium alloy steel with good strength, hardenability, and wear resistance after heat treatment. It is suitable for medium duty power transmission applications.
Applications	Used in gears, shafts, bolts, spindles, couplings, and machine structural parts.

Chemical Composition (%)

C	Si	Mn	P	S	Cr
0.38-0.43	0.15-0.35	0.60-0.85	0.030 max	0.030 max	0.90-1.20

Mechanical Properties

tensile_strength	800-950 MPa
yield_strength	590 MPa min
elongation	13% min
hardness	230-285 HB

Active JIS G4104 SCr440 Listings on M-EX

No active JIS G4104 SCr440 listings at this time.