4142 Product Guide

Applications | Mechanical and Chemical Data | Tolerances

Overview

A medium carbon alloy steel with excellent toughness, ductility, wear resistance, and strength, 4142 is popular for a wide range of applications. It can be easily machined in the annealed state, but post treatment machining should be avoided. It is typically used in cams, drill collars, bolts, couplings, reamers axles, shafting, piston rods, rams, hydraulic shafts, gears, sprockets, valves, spindles, tools, boring tools, and other heavy duty machining components.

Common Trade Names

UNS G41420, AISI 4142, C4142, Nutec 42 

Other Resources

Weight Calculator | Mill Test Reports

Products

4142 Rectangle Bar | 4142 Square Bar