AISI 440A high carbon stainless alloy steel sheets
Type ASTM 440A is a martensitic stainless steel that may be heat treated to Rc56 and shows good toughness when heat treated.
It has moderate corrosion resistance as annealed so is suitable for mild environments. It is not recommended for elevated temperatures.
This is a high carbon martensitic stainless with moderate corrosion resistance good strength and the ability to obtain and
keep excellent hardness (Rc 56) and wear resistance.
Chemical analysis ( in weight % )
Heat treatment data
Harden from a temperature of 1000-1050°c followed by air or oil quenching.
Tempering temperature: 100-150°c. The obtainable hardness is HRC 56.
Hot forming temperature: 1100-900°c.
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