Steel composition for chipper knives

Details Steel composition for chipper knives Steel composition for chipper knives

C - Chemistry, Metallurgy

21

D

75/136, 148/50

C21D 9/18 (2006.01) C22C 38/22 (2006.01)

Patent

CA 1160870

Abstract of the Disclosure A ferrous alloy suitable for use as a knife in a rotary food chipper, said alloy consisting essentially of, by weight, Image "includes optional additions in nominal amounts of columbium, titanium, vanadium, tungsten, cobalt. The alloy, in a heat-treated condition, is characterized (1) a high level of toughness on the order of 100 ft-lbs min. on unchewed specimens, (2) good wear resistance, (3) good machinability, (4) a hardness of at least 56 HRC after a double temper at 950°F or higher, and (5) being hardenable using a maximum of 1850°F as the austeniti- zing temperature.

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