DUCTILE IRON PIPE DN1600

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Specification:

1) The standard of pipe: ISO2531:1998, K9

2) Effective length: 6m

3) Inner cement line: Portland cement line as per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70um as per ISO8179

6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633

7) DN80mm-800mm

8) High strength, lighter than grey iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life tome about 100 yeas

9) Produced by Hangzhou chunfeng machine

10) Checked by automatic inspection equipment

11) Composition:

Chemical composition
Chemical composition	Ductile Cast Iron Pipe (%)	Grey iron pipe (%)	Steel pipe (%)
C	3.5-4.0	3.2-3.8	0.1-0.2
Si	1.9-2.6	1.4-2.2	0.15-0.4
Mn	0.15-0.45	0.4-0.6	0.3-0.6
P	≤0.06	≤0.3	0.02-0.03
S	≤0.02	≤0.1	0.02-0.03
Mg	0.03-0.06

12) Feature:

Mechanical properties
	Ductile Cast Iron Pipe	Grey Iron Pipe	Steel Pipe
Tensile Strength(Mpa)	≥420	150-260	≥400
Yield Strength(Mpa)	≥300	No Confirmation	No Confirmation
Bending Strength(Mpa)	≥590	200-360	≥400
Elongation (%)	≥10	Neglected	≥18
Brinell Hardness(HBS)	≤230	≤230	About 140

13) T type mechanical joint

14) Packing: in bulk or container

Q: Do ductile iron pipes require internal lining for potable water applications?: Yes, ductile iron pipes do require internal lining for potable water applications. This is because the iron used in these pipes can react with the water and potentially contaminate it. Internal lining acts as a barrier between the water and the iron, preventing any chemical reactions and ensuring the water remains safe for consumption.

Q: What's the difference between cast iron pipe and steel pipe?: Steel tube (Steel pipe) production technology development began in the bicycle manufacturing industry, the rise of the early nineteenth Century during the oil development, the two world war ships, boilers, aircraft manufacturing, manufacturing of power boiler after the Second World War, the development of chemical industry of petroleum and natural gas drilling and transportation, will effectively promote the the yield and quality of varieties, the development of steel tube industry.

Q: Can ductile iron pipes be used for oil and gas pipelines?: Ductile iron pipes can indeed be utilized for oil and gas pipelines. This robust and long-lasting material possesses corrosion resistance, rendering it ideal for the transportation of oil and gas across extensive distances. Moreover, ductile iron pipes display exceptional pressure-bearing capabilities, enabling them to endure the high pressures commonly associated with oil and gas transportation. Additionally, the installation and maintenance of ductile iron pipes are relatively straightforward, further enhancing their suitability for oil and gas pipelines. Nevertheless, it is crucial to acknowledge that the specific application and conditions of the pipeline necessitate careful consideration. Therefore, seeking advice from industry experts is strongly recommended to ensure the appropriate selection and installation of ductile iron pipes for oil and gas transportation.

Q: Can ductile iron pipes be used for trenchless installation methods?: Yes, ductile iron pipes can be used for trenchless installation methods. Trenchless installation methods, such as horizontal directional drilling or pipe bursting, allow for the installation of pipes without the need for extensive excavation. Ductile iron pipes are known for their strength, durability, and flexibility, making them suitable for these trenchless methods. Additionally, ductile iron pipes have excellent resistance to corrosion and can withstand high-pressure conditions, further enhancing their suitability for trenchless installation.

Q: How does ductile iron pipe perform in areas with high soil stability?: Ductile iron pipe performs exceptionally well in areas with high soil stability. Due to its inherent strength and durability, ductile iron pipe can withstand the pressure exerted by the soil without any significant deformation or failure. The high soil stability ensures that there are minimal ground movements, settling, or shifting, which further contributes to the excellent performance of ductile iron pipe. In areas with high soil stability, the pipe is less prone to experiencing external forces or stresses that could potentially cause damage. Ductile iron pipe has a high resistance to corrosion, abrasion, and impact, making it highly suitable for such conditions. The material's robustness allows it to withstand the weight and pressure of the soil, ensuring the structural integrity of the pipe is maintained over time. Moreover, ductile iron pipe's flexibility and joint design contribute to its performance in areas with high soil stability. The pipe's ability to accommodate small movements and minor ground shifts without compromising its integrity is advantageous in these stable soil conditions. The restrained joint system used in ductile iron pipe installations provides additional support and stability, minimizing the risk of pipe dislocation or failure. Overall, ductile iron pipe is a reliable and efficient choice for areas with high soil stability. Its strength, durability, and resistance to external forces make it well-equipped to handle the demands of such environments. Additionally, the pipe's flexibility and joint design ensure that it can adjust to minor soil movements, thus further enhancing its performance in these conditions.

Q: DN300 what's the price of the ductile iron pipe / the weight and the price of one meter?: Graphite is exist in spherical form, usually graphite size is 6-7, casting spheroidization grade control requirements for 1-3 quality (spheroidization rate greater than 80%), so the mechanical properties of the material itself has been improved, has the essence of iron, steel performance.

Q: How are ductile iron pipes connected or jointed together?: Ductile iron pipes are typically connected or jointed together using various methods such as flanged joints, push-on joints, mechanical joints, or restrained joints. These methods ensure a secure and leak-free connection between the pipes, providing a reliable and durable pipeline system.

Q: What does "K8" mean in ductile iron pipe grades?: K9 is GB, K10 is specially customized, K8... Strictly speaking, it is not up to standard, standard length, wall thickness and so on.. Many workshops, grades of factory products, such as K9, standard length 6.15M, K8 is 6M, wall thickness from the beginning of DN100, are thin on the point.

Q: What is the difference between cast iron pipe and seamless steel pipe and galvanized steel pipe?: Cast iron pipe: cast pipe made of cast iron. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated.

Q: Can ductile iron pipe be used for water distribution systems in cold climates?: Yes, ductile iron pipe can be used for water distribution systems in cold climates. Ductile iron has excellent resistance to freezing and can withstand extreme cold temperatures without becoming brittle or cracking, making it a suitable choice for water distribution systems in cold climates.

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