SE355602
1,223,937. Making plates and sheets; working at specified temperatures. NIPPON KOKAN K.K. 12 Aug., 1968 [12 Aug., 1967], No. 38412/68. Headings B3A and B3V. [Also in Division C7] Aluminium-milled carbon steel containing 0À075 to 0À050% soluble aluminium and 0À004% to 0À008% soluble nitrogen is hot-r...
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Zusammenfassung: | 1,223,937. Making plates and sheets; working at specified temperatures. NIPPON KOKAN K.K. 12 Aug., 1968 [12 Aug., 1967], No. 38412/68. Headings B3A and B3V. [Also in Division C7] Aluminium-milled carbon steel containing 0À075 to 0À050% soluble aluminium and 0À004% to 0À008% soluble nitrogen is hot-rolled, cold reduced by 70 to 85% and annealed, the heating rate in the final anneal being about 20 C./hour over the recrystallization range. As exemplified, hot-rolling was finished at 860-870 C. and the steel was cooled at 520-530 C. |
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