| 摘要 |
Method for the manufacture of a steel strip, whereby molten steel is cast in a continuous casting machine into a slab and, while making use of the casting heat, is conveyed through a furnace apparatus, is roughed in a roughing apparatus, and finish-rolled in a finishing apparatus into a steel strip of a desired finished thickness, whereby in an endless or semi-endless process a, for the manufacture o f a ferritically rolled steel strip, the slab is rolled in the roughing apparatu s in the austenitic range and after the rolling in the a ustenitic range is cooled to a temperature whereby the steel has essentially a ferritic stru cture, and the strip, the slab or a part of the slab is rolled in the finishing apparatus at speeds essentially corresponding to the entry spe ed into the finishing apparatus and the subsequent thick ness reductions and in at least one stand of the finishing apparatus is rolled in the ferritic range; b. for the manufacture of an austen itically rolled steel strip, the strip leaving the roughing apparatus is heated to or held at a temperature in the austenitic range and is ro lled in the finishing apparatus essentially in the austenitic range to the finished thic kness and, following that rolling, is cooled down to a t emperature in the ferritic range; and the ferritically or austenitically rolled strip a fter reaching the desired finished thickness is cut to p ortions of the desired length which are subsequently coiled.
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