Chemical Composition Base Element Fe (Iron) C (Carbon) 0.15 % (maximum) Cr (Chromium) 12 to 14 % Fe (Iron) 83.8 to 88 % (estimate) Mn (Manganese) 1 % (maximum) P (Phosphorus) 0.04 % (maximum) S (Sulfur) 0.03 % (maximum) Si (Silicon) 1 % (maximum) Balance Fe (Iron) Composition Note Fe is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Mechanical Properties Yield Strength 310 MPa Ultimate Tensile Strength 586 MPa Elongation 25 % strain Rockwell Hardness B scale 88 Other Information Material Class Ferrous Alloy Alloy Family Stainless Steel Alloy Group Martensitic Country USA Description Magnetic martensitic stainless steel Designation AK 420 STAINLESS STEEL Specification Type Manufacturer's Specification Specification ASTM A176, AMS 5506 Specification Status Active Similar UNS Number S42000 Source Alloy Digest, ASM International Organization AK Steel Corporation Available forms None specified Similar Alloys Click here to find similar alloys Links Organizations AK Steel Corporation
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Chemical Composition