Alloy Steel CNC Machining

Alloy steel is one of the steel alloys containing different elements such as molybdenum, manganese, nickel, chromium, vanadium, silicon, and boron. These alloying components are included in increased stamina, solidity, wear resistance, and toughness. The amounts of alloying elements may range from 1 to 50%.

Common alloy steel types used for CNC machining are 4140 and 4340.

They have good strength and toughness, which can be further enhanced through quenching and tempering.

4140 is suitable for manufacturing bearings, gears, shafts, and mechanical components. 4340 has better hardness and strength than 4140. 4340 is typically used for manufacturing high-strength, high-load-bearing, and highly wear-resistant parts, such as aircraft engine components, automotive transmission shafts, and construction machinery parts.