4140/4142 - Cf Alloy Steel Hex

4140/4142 - Cf Alloy Steel Hex

4140 Cold Finish Annealed Hex Rod/Bars, also referred to as Chromoly Steel, is known as a highly versatile Cold Rolled Steel. Alloy 4140 and 4142 are comprable steels with significant similarity where they are not differentiated at OnlineMetals.

4140 offers resistance to fracturing in high stress application and when hardened, resists abrasion, and impact resistance. It is commonly used in automotive and industrial fabrication.

Refer to our "Guide to Carbon" for grades, shapes and various properties.