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以下是:长春宽城精密管_多年生产经验的图文介绍

长春宽城无缝钢管
大鼎金属材料有限公司
长春宽城无缝钢管的详细介绍
送货上门质优价廉


山东大鼎钢管厂After the steel pipe is sizing, enter the cooling tower and spray water to cool down. After cooling, the steel tube is straightened. After straightening, the steel pipe is sent to the metal flaw detector (or water pressure test) through the conveyor belt for internal inspection. If cracks occur inside the steel tube, bubbles will be found. After quality inspection, the steel pipe should be selected strictly by hand. After the quality inspection of steel pipe, paint quantity, specification, production batch number, etc.山东大鼎钢管厂精密无缝钢管均执行标准:GB3639-2000冷轧精密无缝钢管GB/T8162-2008结构用无缝管、GB/T8163-2008流体精密无缝管、GB/T3087-2008低中压锅炉精密管、GB/T5310-2008高压锅炉无缝管、GB/T17396-1999液压支柱精密钢管、GB/T6479-2000化肥专用合金管、GB/T3088-1982汽车半轴套管用无缝钢管、GB/T3093-2002柴油机用高压油管、GB/T8713-1988液压和气动缸筒用精密无缝钢管。浆纱机将锥形钻头冲入钢胚中,形成钢管。钢管的内径由钻头直径的长短决定。



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贴心售后长春宽城无缝钢管发货迅速多年行业经验值得信赖