精密管厂家

The company sells all kinds of seamless steel pipe, alloy pipe welded pipe Chengdu Iron and Steel Group production, smelting steel group, Baotou Iron and Steel Works, Baosteel Group, Anshan Iron and Steel Group, Tianjin Steel Works, Xining Special Steel Works, Wuxi Steel Works, Hengyang Steel Works and other large-scale steel plants, etc. Maybe the fluid pipes used for transportation were seamless steel pipes.seamless pipe, the thickness of the steel pipe wall is more uniform, and the accuracy is much better than that of seamless pipe. Now, in the United States or some developed countries in Europe, many seamless steel tubes are replaced by welded pipes.山东大鼎钢管厂、山东大鼎金属材料有限公司

山东大鼎钢管厂钢管主要用于一般结构和机械结构。其代表性材料（等级）：碳素钢20、45钢；合金钢Q345、20Cr、40Cr、20CrMo、30-35CrMo、42CrMo等。主要用于工程和大型设备的流体管道输送。材料（等级）为20、Q345等。GB3087.1999（20中低压力锅炉用精密钢管）。主要用于工业锅炉和家用锅炉中低压力流体的输送。材料为10钢和20钢。GB5310-1995（高压锅炉用20μm精密钢管）。主要用于电厂、核电站锅炉的高温、高压输送集流体箱和管道。材料为20g、12CR1MOVG、15CRMOG等。