AISI 440A, UNS S44002 High-strength stainless steel sheets
AISI 440A Steel - Has a carbon content range of .65-.75%.
It is the most rust resistant of 440 steel, and 440C is the least rust resistant of the three.
However, the 400 series are some of the most rust resistant knives out there.
440A has a recommended hardness of HRC 55 - 57.
440A modified 7Cr17MoV stainless steel is developed by adding special element Vanadium.
* Increases strength, hardness, hardenability, and toughness.
* Improves machinability and resistance to corrosion.
* Increases strength, wear resistance, and increases toughness.
Chemical Composition ( in weight % )
cutlery, knives and mechanical parts etc.
We are looking forward to your enquiries.Please call +86 151 9025 7143, skype: paul_luhongxiangor email export@ahoneststeel dot com