DUCTILE IRON PIPE DN200 K8/C

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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: Are ductile iron pipes suitable for use in irrigation gate systems?: Indeed, irrigation gate systems can benefit from the use of ductile iron pipes. Ductile iron, a variant of cast iron, boasts superior strength and flexibility, rendering it a reliable and long-lasting option for applications like irrigation gate systems. Ductile iron pipes are famed for their remarkable tensile strength and resistance to corrosion, features that are crucial for preserving the integrity of the irrigation system. Moreover, these pipes can endure high pressure and offer an extended lifespan, making them a cost-efficient solution for irrigation gate systems. In summary, the strength, durability, and corrosion resistance of ductile iron pipes make them highly suitable for use in irrigation gate systems.

Q: What is the expected thermal expansion coefficient of ductile iron pipes?: The expected thermal expansion coefficient of ductile iron pipes typically ranges from 10.8 to 12.2 x 10^-6 per degree Celsius.

Q: Method for cutting cast iron pipe: Generally cast iron pipe wall thickness, crisp texture, with traditional saw blade, saw blade cutting, very expensive cutting materials, and cutting accuracy is not high. Nowadays, the cutting tools and cutting machines on the market cut off these kinds of pipes, which are fast and cutting tools. Because the length of the pipe is not cut, the pipe can be continuously cut for a while after the equipment is loaded on the equipment. The worker can spare more time and can realize the operation of more than one machine, thus greatly improving the cutting efficiency. Rotary tool pipe cutting machine cutting cast iron pipe sawdust granular, easy chip removal, cutting section of vertical high, smooth surface without burr. The current equipment has been widely used in cast iron pipe cutting, especially iron pipe cutting, even cylinder car production.

Q: Can ductile iron pipes be used in contaminated groundwater systems?: Yes, ductile iron pipes can be used in contaminated groundwater systems. Ductile iron pipes are known for their corrosion resistance, making them suitable for handling water with various levels of contamination. Additionally, their strength and durability allow them to withstand the harsh conditions of contaminated groundwater systems.

Q: Can ductile iron pipes be used in areas with high groundwater levels?: Yes, ductile iron pipes can be used in areas with high groundwater levels. Ductile iron pipes are known for their durability and strength, making them suitable for various underground applications, including areas with high water tables. They have a robust construction that can withstand external pressures and corrosive environments, making them an excellent choice for water and wastewater systems in such areas.

Q: Are ductile iron pipes suitable for bridge piers or abutments?: Ductile iron pipes are indeed appropriate for bridge piers or abutments. This material, known for its strength and durability, is extensively utilized in diverse infrastructure undertakings, such as bridges. It possesses exceptional mechanical characteristics, including remarkable tensile strength and impact resistance, rendering it capable of withstanding substantial loads and external forces. Moreover, ductile iron pipes exhibit high resistance to corrosion and enjoy a lengthy service life, which is crucial for structures like bridge piers or abutments that face harsh environmental conditions. The adaptability and dependability of ductile iron pipes deem them a fitting choice for supporting and fortifying bridge structures, ensuring their safety and longevity.

Q: Are ductile iron pipes available for cutting and are there any relevant specifications?: Ductile iron pipes can be divided into cutting and non cutting pipes, the cutting pipe can be cut, and the cutting pipe is usually marked with "scissors" mark in the pipeline.

Q: How do ductile iron pipes handle soil erosion?: Ductile iron pipes are renowned for their exceptional strength and durability, rendering them highly resistant to the erosion of soil. The specific engineering of the material used in these pipes ensures their ability to withstand the detrimental effects of soil erosion, thereby guaranteeing long-lasting and dependable infrastructure. The composition of ductile iron pipes comprises a blend of iron, carbon, and other alloying elements, providing the necessary strength and resilience to withstand the forces exerted by soil erosion. These pipes possess a greater tensile strength than conventional cast iron pipes, enabling them to withstand pressure without deforming or cracking. Furthermore, ductile iron pipes boast a protective layer known as cement mortar lining, which acts as a barrier between the pipe and the surrounding soil. This lining offers an additional layer of resistance against corrosion and erosion caused by the chemical composition or abrasive particles present in the soil. Consequently, ductile iron pipes remain intact and continue to function effectively, even in areas experiencing high rates of soil erosion. In terms of installation, ductile iron pipes are specifically designed to be buried underground, ensuring their robust protection from direct contact with the soil. Additionally, their jointing systems are designed to provide secure and watertight connections, minimizing the risk of soil infiltration and subsequent erosion. Overall, ductile iron pipes have a proven track record of effectively combating soil erosion due to their superior strength, protective linings, and appropriate installation techniques. They offer a reliable and long-lasting solution for water and wastewater infrastructure, even in regions prone to soil erosion.

Q: Are ductile iron pipes suitable for use in residential plumbing?: Yes, ductile iron pipes are suitable for use in residential plumbing. They are known for their durability, strength, and resistance to corrosion, making them a reliable choice for plumbing systems.

Q: Advantages and disadvantages of ductile iron pipes?: Ductile iron pipes are commonly made of flexible sealing rings and slip through connections. The main mechanisms are W and B, clamps and mechanical connections, and inner gaskets.

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