热轧结构管以连铸板坯或初轧板坯为原料,经步进梁式加热炉加热,高压水除鳞后进入粗轧机。粗料经过头切、尾切后进入精轧机,然后进入计算机控制轧制。终轧后,通过层流冷却,并由卷取机卷起,形成直卷。直发卷发的头尾往往呈舌形和鱼尾形,厚度和宽度精度较差。边缘常有波浪状、折边、塔状等缺陷。钢卷重量重,钢卷内径为760mm。(一般用于制管行业。)直发卷经头切、尾切、切边、多道矫直、找平等精整线加工后,进行切割或复绕,即热轧钢板、热轧扁钢卷、分条带等产品。通过酸洗去除氧化皮并涂油后,热轧成品卷将成为…
结构管
结构管
结构管






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