| 冷拔无缝钢管用途种类 |
| 添加时间：2019/8/19 13:45:52 浏览次数： |
| 用途 purpose 2.1、无缝管用途很广泛。一般用途的无缝管由普通碳素结构钢、低合金结构钢或合金结构钢轧制，产量最多，主要用作输送流体的管道或结构零件。 2.1. Seamless tubes are widely used. Seamless pipes for general use are rolled by common carbon structural steel, low alloy structural steel or alloy structural steel, with the largest output. They are mainly used as pipes or structural parts for conveying fluids. 2.2、根据用途不同分三类供应：a、按化学成分和机械性能供应；b、按机械性能供应；c、按水压试验供应。按a、b类供应的钢管，如用于承受液体压力，也要进行水压试验。 2.2. According to different uses, there are three types of supply: A. supply according to chemical composition and mechanical properties; B. supply according to mechanical properties; C. supply according to hydraulic test. Hydraulic tests should also be carried out for steel pipes supplied according to category A and b, if they are used to withstand liquid pressure. 2.3、专门用途的无缝管有锅炉用无缝管、地质用无缝管及石油用无缝管等多种。 2.3. Seamless tubes for special purposes include seamless tubes for boilers, seamless tubes for geology and seamless tubes for petroleum, etc. 种类 type 3.1、无缝钢管按生产方法不同可分为热轧管、冷轧管、冷拔管、挤压管等。 3.1. Seamless steel pipes can be divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes and extruded pipes according to different production methods. 3.2、按外形分类有圆形管、异形管之分。异形管除方形管和矩形管外，还有椭圆管、半圆管、三角形管、六角形管、凸字形管、梅花形管等。 3.2. According to the shape, there are circular tubes and special-shaped tubes. In addition to square and rectangular pipes, special-shaped pipes include elliptical, semicircular, triangular, hexagonal, convex and plum-blossom pipes. 3.3、按材质的不同，分为普通碳素结构管、低合金结构管、优质碳素结构管、合金结构管、不锈管等。 3.3. According to the different material, it can be divided into ordinary carbon structure pipe, low alloy structure pipe, high quality carbon structure pipe, alloy structure pipe, stainless steel pipe and so on. 3.4、按专门用途分，有锅炉管、地质管、石油管等。 3.4. Boiler pipes, geological pipes, petroleum pipes and so on. |
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