热轧精密光亮管用连铸圆管坯板坯或初轧板坯作原料,经步进式加热炉加热,高压水除鳞后进入粗轧机,粗轧料经切头、尾、再进入精轧机,实施计算机控制轧制,终轧后即经过层流冷却和卷取机卷取、成为直发卷。直发卷的头、尾往往呈舌状及鱼尾状,厚度、宽度精度较差,边部常存在浪形、折边、塔形等缺陷。其卷重较重、钢卷内径为760mm。将直发卷经切头、切尾、切边及多道次的矫直、平整等精整线处理后,再切板或重卷,即成为:热轧钢板、平整热轧钢卷、纵切带等产品。热轧精整卷若经酸洗去除氧化皮并涂油后即成热轧酸洗板卷。
精密光亮管常用规格
10#0.07~0.130.17~0.370.35~0.65≤0.035≤0.035
20#0.17~0.230.17~0.370.35~0.65≤0.035≤0.035
35#0.32~0.390.17~0.370.35~0.65≤0.035≤0.035
45#0.42~0.500.17~0.370.50~0.80≤0.035≤0.035
40cr0.37~0.440.17~0.370.50~0.80≤0.035≤0.0350.08~1.10
25Mn0.22~0.20.17~0.370.70~1.00≤0.035≤0.035≤0.25
37Mn50.30~0.390.15~0.301.20~1.50≤0.015≤0.020精密无缝管查询精密无缝管查询http://www.lcxh698.com/