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Quick Details

  • Grade: 400 Series
  • Standard: ASTM, AISI
  • Length: cut to lengths, straightend
  • Thickness: 1.0mm ~
  • Width: 250mm approx.
  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: Changjiang
  • Model Number: AISI 440A
  • Type: Plate
  • Application: knives, scissors, blades, medical instruments
  • Certification: ROHS

Packaging & Delivery

Packaging Details Seaworthy packaging.

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 % )

440A0.60/0.751.00 max1.00 max0.040 max0.030 max16.0/18.00.75 max


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.


We are looking forward to your enquiries.

Please call +86 151 9025 7143, skype: paul_luhongxiang

or send an email to export @ ahoneststeel dot com

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