Product Description4140 HR (Hot Rolled) is a widely used medium carbon steel containing chromium and molybdenum, it commonly known as "chromoly". A general purpose alloy, offering the right combination of strength, toughness and hardness with good machinability. 4140 can be quenched and tempered to a broad range of strength levels.
Hot Rolled Steel Rounds have a rougher surface finish than cold finished steel and are oversized.
Material Alloy Steel
Finish Hot Rolled
Shape Round Rod