Drainage ductile iron pipe

Drain pipe, ductile iron pipe industry to find Jinrui, low prices guaranteed quality www.dabaoji114.cn 947 British H.Morrogh found in hypereutectic gray cast additional cerium so content is more than 0.02wt% , spherical graphite. 1948 United States APGanganebin et al noted that the addition of magnesium in cast iron, followed by ferrosilicon bred, when the residual magnesium is greater than 0.04wt%, the resulting spherical graphite. Since then, we began a large-scale industrial production of ductile iron. Use the history of ductile iron pipe dates back to 1668 suburbs of Paris from the Seine to Versailles audience about 21.14Km water pipelines, the 300-year passage of time, except for some maintenance and replacement of pipes and fittings, the body is still in use. Situation and Prospects of ductile iron pipe of ductile iron pipe industry started in the early 1990s, the strong support of the Association of Chinese urban water supply under rapid development, after nearly 20 years of practice to use, its safety, practicality has been Water industry generally recognized, in 2008 domestic production has reached 2.2 million tons, 11 times in 1990. Since China is a national shortage of water resources, water city as more than 600 cities in more than 200 serious water shortages, water supply and saving the ascendant career, ductile iron pipe has broad prospects for development. Buying drainage pipe, ductile iron pipe industry to find Jinrui www.jrqmg.com Tel: 13697654893