双金属复合管形成基本原理 |
添加时间:2018/5/2 16:29:23 浏览次数: |
双金属复合管形成基本原理: The basic principle of bimetallic tube formation is: 双金属复合钢管基本原理:外基管负责承压和管道刚性支撑的作用,内衬管承担耐腐蚀的作用。 The basic principle of bimetal composite steel pipe is that the external base pipe is responsible for bearing pressure and the rigid support of the pipe, and the inner liner bears the corrosion resistance. 外基管可以根据输送介质的流量和压力要求,选用不同通径和壁厚的碳钢管材。热镀锌钢管、直缝焊管、螺旋管、低中压流体输送用无缝钢管、高压锅炉、石油裂化用无缝管钢管、管线管等。直径可从φ20-φ1020mm,壁厚可从2.5-50mm。 The outer base pipe can select carbon steel pipes with different diameters and wall thickness according to the flow and pressure requirements of the conveying medium. Hot-dip galvanized steel pipe, longitudinal welded pipe, spiral pipe, low medium pressure fluid conveying seamless steel tube, high pressure boiler, seamless pipe steel pipe for oil cracking, pipeline and so on. The diameter can be from phi 20- to 1020mm, and the wall thickness can be from 2.5-50mm. 内衬管可以根据输送介质化学成分,选用不同的耐腐蚀合金。可以是奥氏体不锈钢 304、304L、316、316L、铜基合金、镍基合金、哈氏合金、钛、钛合金、双相不锈钢等新型高耐腐蚀合金材料。内衬管壁厚可以根据使用寿命和焊接工艺的要求从0.3-4mm。 The inner liner can choose different corrosion resistant alloys according to the chemical composition of the conveying medium. It can be a new type of high corrosion resistant alloy material such as austenitic stainless steel 304, 304L, 316, 316L, copper base alloy, nickel base alloy, hastelis alloy, titanium, titanium alloy and dual phase stainless steel. The thickness of inner liner can be 0.3-4mm from the service life and welding process requirements. |
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