donge

2009年3月13日星期五

The seamless steel pipe

The seamless steel pipe is one kind has the midheaven section, peripheral joint sliver of steel products. The steel pipe has the midheaven section, serves as the conveyance fluid massively the pipeline, like transportation petroleum, natural gas, coal gas, water and certain solid material pipeline and so on. Solid steel products and so on steel pipe and round steel compare, when the anti-curved resistance to torsion is the same, the weight is light, is one kind of economical section steel products, widely uses in making the structural element and the machine parts, like the petroleum drill rod, the automobile drive shaft, in the bicycle rack as well as the building construction uses steel scaffold and so on. With the steel pipe manufacture ring-like components, may raise the high material use factor, the simplified manufacture working procedure, saves material and the processing man-hour, like the rolling bearing ferrule, the hoisting jack set and so on, broad pan-has made at present with the steel pipe. The steel pipe each kind of conventional weapons essential material, the barrel, the artillery tube and so on wants the steel pipe to make. Steel pipe different may divide into the circular pipe and the heterogeneous tube according to the plan area shape. Because under the perimeter equal condition, the round area is biggest, may transport more fluids with round tube . In addition, ring section when withstanding interior or exterior radial thrust, the stress is even, therefore, big the most steel pipes are the circular pipes certainly.

liayu:steel tubing Seamless steel pipe steel pipe

2008年11月25日星期二

一个网站地图

无缝钢管

聊城万通钢管有限公司生产销售结构管,流体管,低中压锅炉管,高压锅炉管,石油裂化管等各型号的无缝钢管.全国规模较大的无缝管供应基地,具有库存大型号全质量优价格低等特点，公司网址:http://www.wufenggangguan.org/

厚壁无缝钢管

山东厚壁无缝钢管制造有限公司是专营厚壁无缝钢管的大型进出口流通企业,主营:钢管,无缝钢管,合金管,高压锅炉管,石化高压管,厚壁管厚壁钢管厚壁无缝管厚壁无缝钢管不锈钢管厚壁无缝钢管公司网址：http://www.lczcgg.com/

流体无缝钢管

山东流体钢管制造有限公司是鲁西经营钢管较早的单位之一,公司经营的钢管产品面向全国,常年库存,保证质量.欢迎新老客户咨询选购流体无缝钢管,公司网址：http://www.liutigangguan.cn/流体管流体钢管流体无缝钢管22-28X2.5-4-6 32-38-40X3-4-6-8 42-48X3.5-4-5-8-10 51-60X3.5-5-6-7-9 76-89X4.5-6-8-10-12 108-133X5-6-8-10-12 159-168X7-8-10-14-18-26 194-219X6-8-12-20-26-38 245-273X10-12-14-16-22-15-40管件产品。

热扩无缝钢管

山东热扩管厂常年生产无缝及直缝焊管的热扩管,同时公司常年供应包钢,鞍钢及各大钢厂的无缝钢管,异型管,热扩无缝管热扩直缝管热扩钢管热扩无缝钢管产品价格低廉,质量有保证.是求购钢管的最佳选择.质优价廉. 网址：http://www.rekuoguan.cn/

2007年7月6日星期五

dongeren

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