Is it ok for 4140 alloy steel plate mold steel ?

Some customers ask us if they can use 4140 alloy steel plate mold steel. The anwser is Yes ! It’s ok and widely used as mold steel, such as 4140 alloy mold for car industry. It’s more widely to use 4140 steel plate as mold base. Alloy plates 4140 and other steel like P20, 4130, have a hardness at 28-34 HRC and have good mechanical properties. They are perfect for cavity and core plates as well as other plates required in the mold base. They can be machined fairly well. You can check our 4140 alloy steel plate stock at this page for any alloy steel 4140 plate request.