What is ductile iron pipe? It is believed that everyone is unfamiliar with it. Ductile iron pipes are forged pipes made of molten iron and added with forging agents. However, there are many types of cast iron pipes. Ductile iron pipes are only one type of cast iron pipe. The reason for the better improvement of the ductile iron pipe finished products is the mechanical properties of the material itself. The nature of iron and the properties of steel are well represented on ductile iron pipes, so ductile iron pipes have the title of “steel as ironâ€. So ductile iron pipes are expensive? Here's a brief introduction to everyone.
What is ductile iron pipe
First of all, let's find out what a ductile iron pipe is. The ductile iron pipe is a pipe that is cast after high-speed centrifugation by a centrifugal ductile iron machine after the addition of nodulizing agent to the cast iron No. 18 or more. Pipes and ductile cast pipes, the main components of carbon, silicon, manganese, sulfur, phosphorus and magnesium. Ductile iron pipe is also an ideal material for tap water pipes, and the main purpose is to deliver tap water.
In many areas of China, the ductile iron pipe is connected to the pipe between the middle and small diameter pipes and adopts the flanged disc interface method; ductile iron, the corners that allow the restrictions must have excellent shock resistance and tightness . The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. Implementation of the standard GB/T13295-2003 ISO 2531/2003 Ductile Iron Pipes Definition Use No. 18 or more cast iron with a spheroidizing agent, followed by centrifugal spheroidal cast iron machine High-speed centrifugal casting pipe, Ductile Cast Iron Pipes , referred to as the tube, ductile iron pipe and ductile cast pipe.
Features
Ductile iron pipe is a kind of cast iron pipe. The quality requires that the cast iron pipe's spheroidizing grade should be controlled to 1-3 grades (balling rate is 80%), so the mechanical properties of the material itself have been improved, with the nature of iron and the performance of steel. The annealed ductile iron pipe has a metallographic structure of ferrite plus a small amount of pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, easy installation, and is mainly used for water supply and gas transmission in municipal, industrial and mining enterprises. , oil, etc.
A certain amount of spheroidal graphite is distributed on the ferrite and pearlite matrix. The proportion of ferrite and pearlite in the matrix is ​​different according to the nominal diameter and the requirement on the elongation. The proportion of small pearlite is small. Generally not more than 20%, the general control of large diameter is about 25%.
Ductile iron pipe prices
This depends on the model you choose. Check the following model prices, for reference only:
Water Supply Ductile Iron Pipe 6 Meters One DN100-DN800 Price List: Specification Weight/Unit Price (Yuan/kg)
DN100 95Kg 5.4*yuan/Kg;DN150 144Kg 4.3*yuan/Kg
DN200 194Kg 4.3*yuan/Kg;DN250 255Kg 4.3*yuan/Kg
DN300 323Kg 4.2* yuan/Kg; DN400 482Kg 4.2* yuan/Kg
DN500 669Kg 4.2* yuan/Kg; DN600 882Kg 4.2* yuan/Kg;
DN700 1123Kg 4.2*yuan/Kg;DN800 1394Kg 4.2*yuan/Kg
Editor's summary: The information on what is ductile iron pipe and ductile iron pipe is expensive is introduced here. I hope this article helps everyone. If you still have something you don't understand, you can leave a message to Xiaobian at the bottom. We will answer your questions as soon as possible.
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