O1 is an oil hardening cold-work tool steel.
It is a carbon manganese tool steel, possessing excellent dimensional stability during heat treatment. O1 is used for the production of ground flat stock, a precision material used in tool making and other engineering applications.
01 Chemical Composition
Press tools & broaches
Ground Flat Stock
Clipping, Marking Punches
Deep drawing dies
Our stock sheets are all supplied in the annealed condition.
We typically supply O1 in a range of sheet sizes, from 2.46mm through to 8.65mm thick in a hardness of around 200vpn.