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Steel Rolling Largest

the worlds top 8 plate rolling machine manufacturers,jun 23, 2020 promau davi is the largest manufacturer in italy of heavy plate bending roll, angle steel rolling machine, high efficient production line and customized rolling mill. it is the leader in sales, employees, production, assets and grades with branches in dallas usa and shanghai china..steel billets bars and rods britannica,steel - steel - billets, bars, and rods billets are the feedstock for long products of small cross section. in cases when they are not directly cast by a continuous caster, they are rolled from blooms by billet mills. one method of rolling billets, which are usually 75 to 125 millimetres square, is to use a three-high mill with box passes, as shown in a in the figure..

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