Acid Picking line:The pickling production line is a very important process in the cold-rolled strip production process. The purpose is to remove the iron oxide from the strip surface, adjust the roll weight, cut the crack edge, provide the qualified raw material for the rolling; according to process, pickling is divided into push-pull pickling and continuous pickling.
works. These are:a continuous pickling line/tan-dem cold mill with five mill stands of six-high design, one continuous hot-dip galvanizing line as well as one two-stand DCR cold rolling mill (DCR = Double Cold Reduction). The combined pickling line/tandem cold mill is a prime example of the newly developed high-tech mills and is
No.127 Used 1250mm 6Hi Cold Rolling MillCR No.127 Used 1250mm 6Hi Cold Rolling Mill. The used 1250mm 6Hi Cold Rolling Mill is made in 2006. (Material:Mild steel).The written date is October 26,2020. product description. Technical Parameters. An n ua l production design capability is 200,000 tons,made in 2006. 1
2. Hot Rolling to thickness of ~2 mm 3. Pickling and cold rolling to intermediate gauge 4. Annealing (750 to 900 ºC) 5. Cold rolling to final gauge (0.13 0.35 mm) 6. Decarburization and re-crystallization anneal (830 900 ºC) 7. Final anneal (850 1100 ºC) - - for NGOES 8. Coating (washing, coating, drying) 9. Slitting 10.
CUTTING-EDGE COLD-ROLLING MILLS Primetals TechnologiesCOUPLED PICKLING LINE & TANDEM COLD MILL High-capacity production of high-quality products. For a wide range of product applications, the required strip thickness, flatness and surface quality can be achieved more economically by linking the pickling and cold-rolling processes.
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