C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
148/25, 148/43
C23C 8/22 (2006.01) C21D 9/56 (2006.01)
Patent
CA 1036915
CONTINUOUS CARBURIZING METHOD ABSTRACT OF THE DISCLOSURE An improved method for continuously carburizing low carbon cold rolled coil stock is disclosed. The carburized product is characterized by the absence of proeutectoid ferrite. The method comprises heating low carbon steel stock in the austenitizing range of 950°-1150°C. (1750°- 2100°F ) in a continuous heat treating furnace wherein the furnace contains a high carbon availability so that residence time is of a short duration; homogenizing the stock so as to attain uniform macro distribution of carbon across the length, width and thickness of the stock and quenching the stock so that a uniform micro distribution of carbon is attained.
238545
Golland David I.
Harakas Nicholas K.
Mottern John W.
O'connor Gary E.
Runkle Charles J.
Monsanto Company
Na
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