Supply ductile iron pipe main ingredients are carbon silicon manganese sulfur phosphorus and magnesium. Distributed a certain number of spherical graphite on ferrite and pearlite matrix. Different caliber and for elongation requirements based on the nominal. Matrix the proportion of the organization ferrite and pearlite pearlite different small-diameter ratio does not exceed 20% of the general control of the large diameter of about 25 percent minimum tensile strength:... 420 / Mpa minimum yield strength of 300. / Mpa. minimum elongation of 7%. ductile iron pipe performance standards GB / T13295-2008 ISO2531 / 2008. Widely used in water transmission pipeline. And food. Pharmaceuticals. Chemical industry production process pipe network. Nominal DN (50-300) * thickness T (3.5-7.0) length L3000mm flexible cast iron pipe and fittings. Strictly follow the requirements of GB12772-2008. Adopts the international advanced production technology and centrifugal casting product having a dense metal structure inside and outside finish The walls thin and uniform resistance to corrosion. convenient installation and transportation, etc., especially in earthquake has a unique advantage. fire. No noise. recycling use, etc. is widely used in high-rise building drainage. ventilation., and in the national key projects A higher quality engineering and seismic construction fire safety requirements are mandatory recommended. The company introduced the world's advanced water-cooled metal mold centrifugal casting technology and equipment in 1989, began production of centrifugal ductile iron pipe, it is the first by ISO2531 standard production of ductile iron pipe manufacturers. The company set iron, cast pipe production in one, through constant development and accumulation. Has a sintering machine, pellet furnace, blast furnace, cast iron and other iron-making equipment, can produce 1.5 million tons of pig iron; have Mixer, furnace, centrifugal casting machines and other casting equipment, can produce DN80-DN1200 ductile iron pipe 200,000 tons. Depending on the product quality of life, and always adhere to and implement the "Quality is the survival of the enterprise, to provide users with products and services is our eternal pursuit of" quality. Pig iron product won the national "silver" award and the "national customer satisfaction products" title; ductile iron pipe products in 1999 in Shandong Province famous brand, in 2000 was named the national quality metallurgical products Gold Award k9 ductile iron pipe, and Bureau of Technical Supervision Organization in the same industry user survey, casting industry won the first brand name. The company has passed the quality system certification of ductile iron pipe, the Swiss "SGS ISO9001" quality management system certification, Switzerland SGS product quality certification, ISO14001 environmental management system, OSH18001 occupational safety and health management system certification, the formation of a sound management system. Companies to standardize the management, excellent product quality and service continue to win the trust of customers at home and abroad, casting products exported to Southeast Asia, Middle East, Africa, Europe and other countries and regions. Company staff warmly welcome all the friends visit ductile iron pipe specifications, and time for your dedicated service success. Liaocheng virtue Pipe Co., Ltd. The main products of ductile iron pipe using today's advanced technology ductile iron pipe fittings, in strict accordance with ISO2531 ISO production and testing, to produce cement-lined, lined with epoxy resin, ceramic liner, Spraying epoxy resin, from a variety of specifications anchor pipe and other types of ductile iron pipe. Products with good toughness, corrosion resistance, easy installation features, is widely used in water supply, drainage and other industries. And exported to over 30 countries and regions in the world. In the domestic and international market has a high visibility, reputation and market share. And passed ISO9001 quality system certification and ISO2531, ISO4179, ISO8179, EN545, EN598, BS6920 certification in kind. New ductile iron pipe, the virtues of Industry (online consultation), ductile iron pipe by virtue Liaocheng Industry Co., Ltd. Liaocheng virtue Pipe Co., Ltd. (www.meidegc.com) (www.meidegc.com) (www.mdwfg.com) (www.mdggc.com) Shandong Liaocheng, steel leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In virtue tube industry leadership with the staff warmly welcome all inquiries negotiations to create the virtues of Industry a better future.