Liaocheng Jinghua Steel Pipe Co., Ltd. specializes in manufacturing special steel pipe. Pipes points, shaped square tube, rectangular shaped tube, shaped pipe, spiral welded pipe, size: 20 * 20mm-500mm, wall thickness of 0.6mm-20mm, spiral pipe spiral pipe specifications, 219mm-2020mm, wall thickness 5mm-20mm.. shaped pipe performance index analysis - Fatigue, 16mn Pipes factory, the strength of previously discussed, ductility, hardness and mechanical properties are metal pointer under static loads. In fact, Jiaozuo Pipes factory, many machine parts are working under cyclic loading, Q235 Yixing Guan plant parts under such conditions will produce fatigue. Shaped Steel's performance index analysis - the impact toughness, at great speed on the load acting on the parts known as impact load, ability to resist damage in metal impact loading is called toughness. 20 # Pipes Factory, Jiaozuo Pipes factory, Beijing Jinghua Steel Pipe Liaocheng steel pipe provided by the Company. Liaocheng Jinghua Steel Pipe Co., Ltd. (www.sdwfgc.com) strong, credible, Liaocheng in Shandong steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinghua pipe into the brilliant and you work for a better future!