carbon steel comparison

35C vs. S45C: How to Choose the Right Carbon Grade for Your Application

S35C and S45C are adjacent JIS carbon steel grades separated by 0.10% carbon. Compare weldability, strength, hardenability, and learn when to choose each for your application.

JIS G4051 Carbon Steels for Machine Structural Use — Full Grade Comparison

JIS G4051 defines carbon steels for machine structural use. Complete guide to all grades (S15C to S55C), chemical composition, mechanical properties, and selection criteria.