Some friend asks me Is 4140 A Tool Steel ?

Actually, AISI / SAE 4140 steel is a kind of alloy steel. But it’s a versatile steel material. Some people also use it as mold steel and tool steel. So, you can also call it 4140 tool steel. Especially, for 4140 plate, most of customers use 4140 steel plate as mold steel or tool steel purpose.

We can help if any 4140 plate is needed anytime.