We carry a vast on-site inventory with 4130 and 4140 alloy steel plate of varying sizes and thicknesses. We can cut 4130 and 4140 from ¼” up to 8” thick. With our large selection of products, we can provide immediate quotes and service jobs with tight lead times.
4130 alloy steel is a chrome alloy steel with medium carbon content. 4130 is readily machinable, possesses strong internal toughness, and offers excellent weldability and ductility.
Alloy 4140 is one of the most popular medium carbon chromium-molybdenum (CR-MO) alloy steel plates, with excellent response to quenching and tempering and moderate hardening capabilities.
Our 4140 steel plate offers uniform, consistent response to heat treatment, superior cleanliness, internal soundness and improved service life for machined parts.
4140 alloy plate is widely used for general purpose industrial machining, and particularly well-suited when high resistance to fatigue and or impact is required.
Our plate inventory is stored in as-rolled condition, chemically treated, and ready for heat treatment. We can heat treat as necessary, or ship it to you as-is.