Chapter 3 - Rolling of metals
Chapter 3 - Rolling of metals
Chapter 3 - Rolling of metals
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Example for hot strip mill process<br />
Red hot slab 210 mm<br />
thick is ready for<br />
rolling<br />
Slab is reduced to a long strip<br />
approx 25 mm thick<br />
Slabs are organised<br />
according to rolling<br />
schedule<br />
The strip is progressively reduced<br />
to the required thicknesses<br />
Plate 12 to 30 mm thick<br />
Coiled steel 1.8 to 12 mm thk<br />
910 mm to 1550 mm wide<br />
Mill reverses after each pass (5 or 7)<br />
and the roll gap is reduced each time<br />
Leading edge and tail<br />
end are removed<br />
Strip is coiled and up ended or<br />
passed through if heavy plate<br />
Oxidation scale is<br />
removed<br />
www.nzsteel.co.nz<br />
The strip is coiled and uncoiled<br />
to make the tail end lead<br />
Suranaree University <strong>of</strong> Technology Tapany Udomphol<br />
Jan-Mar 2007
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