dn300 Ductile iron pipe Nodular cast iron well pipe outer diameter 326 , wall thickness 7.2 , weight of each zero point three two three Tons, which is a high-quality product with low phosphorus and low sulfur produced by iron making blast furnace casting Molten iron, nodular cast iron pipes are cast by water-cooled metal mold centrifugal casting machine according to all the current advanced centrifugal casting and annealing processes. After annealing, socket trimming, hydraulic test, and inner wall lining cement Cement lining curing, cement lining and outer wall coating asphalt Paint, asphalt paint baking, socket anti rust treatment, shipping mark spraying, packaging and other processes are meticulously processed, with high degree, high elongation, corrosion resistant steel ribs and iron bones. The price interface form of ductile iron pipe is T Type, standard wall thickness is K9 Class I national standard ductile iron pipe, standard effective length is six Meters. All products of the company are produced according to all quality management systems, and the product quality has reached the advanced level at home and abroad. For many years, with the goal of building * * *, the company has won the unanimous praise of users by virtue of reasonable price, good reputation, perfect quality assurance system and product after-sales follow-up service system. Ductile iron pipes and special pipes for drilling wells of ductile iron are widely used in oil fields, well drilling, farmland irrigation, well drilling and oil source transportation The price interface of nodular cast iron pipe is T-shaped, the standard wall thickness is K9, and the standard effective length is 6m. All products of the company are produced according to all quality management systems, and the product quality has reached the advanced level at home and abroad. For many years, with the goal of building * * *, the company has won the unanimous praise of users by virtue of reasonable price, good reputation, perfect quality assurance system and product after-sales follow-up service system. Chongqing Pengqian Commerce and Trade Co., Ltd. will always adhere to the enterprise purpose of innovation, pragmatism, integrity and development, and sincerely welcome users to negotiate cooperation, work together with you to create a better future. The dn80-1200 centrifugal ductile iron pipes produced by the company have reached the following standards implemented by the National Bureau of Quality and Technology Supervision
Internal and external protection of pipes:
pipe pipe fitting External protection zinc spraying, executive standard: ISO8179 standard, asphalt coating
Internal protection of pipe fittings:
cement mortar The lining shall comply with ISO4179 standard, and other protective coatings such as epoxy ceramic lining, epoxy coal tar pitch, epoxy resin paint, epoxy resin powder, polyurethane and polyethylene can be provided according to customer requirements
Tensile strength: ≥ bending strength ≥ 590 Elongation dn80-1000 ≥ 10 Hardness ≥ 230
Hydrostatic test pressure;
80 ≤ dn ≤ 300 pressure 5.0
350≤dn600 4.0
700≤dn≤dn1000 3.2
1100≤dn≤2000 2.5
2200≤d n≤2600
