Ductile iron pipe water supply main ingredients are carbon, silicon, manganese, sulfur, phosphorus and magnesium. Minimum tensile strength: 420 / Mpa, minimum yield strength: 300 / Mpa, the minimum elongation 7% GB / T13295-2008 ISO2531-2009 Diameter: DN80-DN2600 advantage ductile iron pipe water supply: a flexible cast iron pipe fittings, energy saving The main material is sand, stone offer flexible cast iron pipe, can make the best of. 2 Sichuan flexible cast iron pipe, not aging, thermal expansion and contraction of small flexible cast iron pipe, should be long-term exposure to sunlight, stored at room temperature more than 40 ℃. 3, high strength, high compression performance, construction unlikely to cause deformation. The default size of the head of the company STO / Remittance / tact / in the pass / rhyme! Professional manufacturer of ductile iron pipe sales units. Our ductile pipe ISO2531-98E standards are in line with the company to maintain annual cash more than 10,000 tons. Specifications GB DN100-DN1200 ductile pipe complete. Using blast furnace production of phosphorus. Sulfur in high-quality cast iron. ductile iron pipe according to the international advanced centrifugal casting current annealing processes. water-cooled metal mold centrifugal casting machine casting made. After annealing socket dressing. hydrostatic test. internal corrosion of reinforced steel frame. ductile pipe prices in the form of T-type interface. Standard wall K9 grade level is .10 or higher grade level standard effective length of 6 m. Flexible cast iron pipe cast iron pipe _ _ Weinan flexible pipe industry by virtue virtue Liaocheng Industry Co., Ltd. Liaocheng virtue Pipe Co., Ltd. (www.meidegc.com) (www.meidegc.com) (www.mdwfg.com) (www.mdggc.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 virtue of Industry and you work into the brilliant, for a better future!