SCM440

steel

SCM440 Steel Explained: High-Hardenability Cr-Mo Alloy Steel for Large-Section Parts

SCM440 is a Cr-Mo alloy steel in JIS G4105 known for deep hardenability and high strength. Ideal for large-section parts. Explore composition, properties, heat treatment, and applications.
2026.04.29
steel
steel

Induction Hardening: Mechanism, Depth Control, and When to Specify It

Induction hardening is a surface hardening process that creates wear-resistant surfaces on steel. Learn mechanism, depth control, process parameters, and when to specify it for gears and shafts.
2026.04.29
steel
steel

JIS SCM440 Steel: ASTM 4140 Equivalent, Properties & Applications

JIS SCM440 steel compared to ASTM 4140, DIN 42CrMo4, and EN 1.7225. Full chemical composition, mechanical properties, heat treatment guide, and practical machining and welding tips for engineers.
2026.04.29
steel
steel

S45C Steel Explained: Properties, Heat Treatment, and Practical Selection Guide

S45C steel (JIS G4051): chemical composition, mechanical properties, heat treatment, and practical guide to choosing between S45C, 1045, C45, and SCM440.（
2026.04.27
steel