Typically used in oil and gas applications, Castle Metals stock Alloy 4130 in hollow bored bar and round bar, with custom heat treating, cutting, boring and honing available.
Alloy 4130 is very popular for welding applications and is often used in the normalized condition without further heat treatment. It can be nitrided to enhance its wear quality. Its popularity is primarily due to its weldability, hardenability, and machinability. Alloy 4130 contains similar properties as Alloy 8630. Alloy 4130 is stocked in normalized, quenched, and tempered condition.