The 440 grades form a series of high carbon martensitic stainless steels.
They have basic corrosion resistance and extremely high hardness and wear resistance.
440A/440B/440C 1.4109/1.4112/1.4125 S44002/S44003/S44004
This grade combines the following characteristics:
This series of grades give the highest level of strength/hardness in any martensitic stainless steel.
Consequently, they are used where a basic level of corrosion resistance is required coupled with high
wear resistance or blade sharpness.
They are usually supplied in the annealed condition for improved machinability and then hardened
and tempered to develop the high hardness.
Applications which illustrate these features include:
Bearings, valves, knife blades, surgical instruments, tools, moulds, dies.
We produce 440A stainless steel in sheet/plate, strip/coils.
Contact Person: Mr. Paul