异型无缝钢管是除了圆管以外的其他截面形状的无缝钢管的总称。按钢管截面形状尺寸的不同又可分为等壁厚异型无缝钢管(代号为D)、不等壁厚异型无缝钢管(代号为BD)、变直径异型无缝钢管(代号为BJ)。
2012中文名称:异型钢管英文名称:Cold drawn shaped steel tubes发布日期:2012-05-11实施日期:2013-02-01发布... 钢筋机构造及使用要点有哪些? 它是利用钢筋机将直径为6~10mm的Ⅰ级钢筋,以强力拉
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异型钢管滚挤成形是一种新技术。
The forming of special section tubes with roll extrusion method is a new technology.
试验证明,辊拔工艺可显著降低拔制力,提高异型钢管表面质量。
The said experiments show that with the roll-die drawing process the drawing force can be considerably reduced and surface quality of the shape steel tube improved.
介绍了辊模拔制异型钢管的特点,进行了辊模拔制和固定模拔制试验。
The paper deals with features of roll-die drawing of shaped steel tubes and experiments of roll-die drawing and fixed-die drawing.
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