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| the alloy layer is damaged | |
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| Tweet Topic Started: Mar 28 2018, 07:30 PM (2 Views) | |
| qzz10011 | Mar 28 2018, 07:30 PM Post #1 |
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<p>packaging and marking, etc.) into a steel plate, flat roll and slitting strip products. In a nutshell, a billet is hot-rolled after it has been heated (that is, the red, hot, hot steel on the television) by a few passes, then trimming and straightening it into steel. Hot-rolled steel products are widely used in shipbuilding, automobile, bridge, building, machinery, pressure vessel and other manufacturing industries due to their </p> <p>excellent properties such as high strength, good toughness, easy processability and good weldability. With the hot rolling dimensional accuracy, shape, surface quality and other new technologies increasingly mature control and the continuous introduction of new products, hot-rolled steel plate, with more and more products have been more and more in the market Competitiveness. Second, the hot rolled coil </p> <p>dezincification reasons 1, the substrate surface of the remaining impurity particles, before immersion in the zinc pot has not been removed, affecting the zinc layer attached. 2, with iron oxide layer on the substrate to prove that the substrate in the annealing furnace has not been completely reduced to galvanized sponge-like iron. 3, the Al content in the alloy layer is less, there is no reasonable formation of the </p> <p>installing deck tiles on concrete slab<br /> Outdoor Corrosion Resistant Wallboard Supplier<br /> building material rectangle pvc panel</p> |
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2:25 PM Jul 11