AISI/SAE 440B: Corrosion resistant martensitic chrome-steel (approx. 18 % Cr) for cold work. Reaches an unusually high hardness and high wear resistance after heat treatment. High gloss polishable. Working hardness: 53-58 HRC.
AISI/SAE 440B: Cutting tools, knives, knife blades, cutlery, guide rails, wear parts, perforated discs, screw elements, pump shafts, scale pans, horizontal cutting, surgical instruments, plastic moulds, injection nozzles, roller bearings, ball bearings, mechanical engineering, food industry, building industry.
C | 0,85 | up to | 0,95 | Ni | - | up to | - | |
Si | - | up to | 1,0 | V | 0,07 | up to | 0,12 | |
Mn | - | up to | 1,0 | W | - | up to | - | |
P | - | up to | 0,04 | Cu | - | up to | - | |
S | - | up to | 0,02 | N | - | up to | - | |
Cr | 17,0 | up to | 19,0 | Ti | - | up to | - | |
Mo | 0,9 | up to | 1,3 | Co | - | up to | - |
Specifications
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