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Heated skelp is passed continuously through welding rolls, which form the tube and squeeze the hot edges together to make a solid weld C , hot roll mills, cold roll mills, SR mills, and DR mills , mining, oil and gas, and other industries requiring tools with extra hardness Tunnel Furnace Type of furnace whereby stock to be heated is .
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Heated skelp is passed continuously through welding rolls, which form the tube and squeeze the hot edges together to make a solid weld C , hot roll mills, cold roll mills, SR mills, and DR mills , mining, oil and gas, and other industries requiring tools with extra hardness Tunnel Furnace Type of furnace whereby stock to be heated is ....
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4-8-2016 · The video shows that for DPIC Centrifugal/ spun cast solid rolls - hardness does not fall until the discard diameter, there by increasing the pass life and production per roll. . Diameter 340 mm - hardness 83 sH Diameter 330mm - hardness 80 sH Diameter 320mm - hardness 80 sH.
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on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC
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