The process of a pipe production is the following: a round cast workpiece is put onto a hot rolling line where it is cut, heated, stitched and rolled till a pipe of necessary size is ready.
一个钢管的生产流程如下：圆管坯放在要被切割的高温轧制线上，继续升温，穿孔，轧制直到管坯大小基本成型。
Pipe manufacturing process consists of the following stages: hot rolling, where blank gets cut, heated and rolled till it becomes of the needed size and form.
管道的制作流程由以下几步组成：热轧，在这一步坯料被切割、加热、轧制直到尺寸和形状达到要求为止。
The structure and installation of the pipe nozzles have important effect on the cooling process of hot rolled strip and plate.
冷却集管及喷嘴的结构和安装对于热轧板带层流冷却效果有重要的影响。
Cold-rolled plate, galvanized sheet, hot-rolled plate, iron ore, pickling board, processing, steel, surface treatment, Pipe, 5600 yuan per ton.
冷轧板，镀锌板，热轧板，铁矿石，酸洗板，加工，钢铁企业，外表处置，钢管，每吨5600元。
S450 hot rolled strips for line pipe is researched and developed through the technology microalloying, ASP and the processes of controlled rolling and controlled cooling in Jinan Iron and Steel co.
利用微合金化技术及ASP连铸连轧工艺和控轧控冷工艺，济钢自主研发了S450热轧管线钢带产品。
Pipe manufacturing process consists of the following stages: hot rolling, where blank gets cut, heated and rolled till it becomes of the needed size and form.
管道的制作流程由以下几步组成：热轧，在这一步坯料被切割、加热、轧制直到尺寸和外形达到要求为止。
Along with the hot-rolled strip quality and the level of ERW pipe manufacture improve in domestic, the factors manufacturing welded pipe for low and medium pressure boiler have possessed.
随着我国热轧卷板质量及ERW制管水平的提高，生产低中压锅炉用电阻焊钢管的条件已经成熟。
ERW pipe and profile machine complete line to manufacture, round square and rectangular pipes. install and start the BTM520 (76-165mm) hot and cold rolled steel coils.
中径电阻焊管生产线，用来生产圆管、方管和矩形管，起始原料是根据BTM 520标准的76- 165 mm的热轧和冷轧钢卷。
Main products: Seamless steel pipe, Hot-rolled steel, Stainless steel, pipe fittings, Flanges, Pipes and other piping.
绊主要产品有：无缝钢管、螺旋钢管、直缝钢管、热轧钢管、不锈钢钢管、管件、法兰、管道配管等。
Main products: Seamless steel pipe, Hot-rolled steel, Stainless steel, pipe fittings, Flanges, Pipes and other piping.
绊主要产品有：无缝钢管、螺旋钢管、直缝钢管、热轧钢管、不锈钢钢管、管件、法兰、管道配管等。
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