T Type Ductile Iron Pipe DN1500

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Specification:

1) The standard of pipe: ISO2531:1998, EN545:2006，K9 K8

2) Effective length: 6m/5.7m

3) Inner cement line: Portland cement lineas per ISO4179

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

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

6)With 102% quantity of NBR, SBR, or EPDM ring asper ISO4633

7) DN80-DN1200

8) Highstrength, lighter than grey iron, good corrosion resistance, no furring, smallflow resistance, easy fixing, long life tome about 100 yeas

9)Checked by automatic inspection equipment

10) 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

11) 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

12) T type mechanical joint

13) Packing: in bulk or container

PACKING: 1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q: Is the fire hose capable of using rapid repair joints?: Clear。 Before installation, cleaning work should be carried out, the parts to be cleaned include: socket end, the mouth of the socket, the corner of the socket to the white line should be smooth, no sharp points, so as not to wear aprons when installation.

Q: Are ductile iron pipes resistant to external loads?: Yes, ductile iron pipes are highly resistant to external loads. Their inherent strength and flexibility make them capable of withstanding heavy loads and stresses from surrounding soil and traffic.

Q: What is the expected cyclic fatigue life of ductile iron pipes?: Various factors such as material composition, pipe design, loading conditions, and environmental factors can affect the expected cyclic fatigue life of ductile iron pipes. However, ductile iron pipes are widely recognized for their exceptional ability to withstand fatigue. Ductile iron pipes are specifically engineered to endure cyclic loading, which is common in water distribution and sewer systems due to fluctuating pressures and vibrations. These pipes possess a unique microstructure that confers high strength and ductility, enabling them to resist crack formation and growth under cyclic loading. Numerous studies and industry standards have provided estimates for the expected cyclic fatigue life of ductile iron pipes. For instance, the American Water Works Association (AWWA) C151 standard recommends a design life of 100 years for ductile iron pipes used in water distribution systems, underscoring their long-term durability and resistance to fatigue. Furthermore, research studies have demonstrated that ductile iron pipes can withstand over 1 million cycles of loading without exhibiting any signs of fatigue failure. The fatigue strength of ductile iron pipes can be further augmented by employing protective coatings or linings to reduce the impact of corrosion and abrasion. Nevertheless, it is important to recognize that various factors, such as manufacturing quality, installation practices, and maintenance procedures, can influence the expected cyclic fatigue life of ductile iron pipes. Regular inspections, appropriate handling, and adherence to recommended installation guidelines can help ensure the longevity and performance of ductile iron pipes. In conclusion, while the expected cyclic fatigue life of ductile iron pipes can be subject to variation due to several factors, these pipes are generally renowned for their outstanding fatigue resistance and offer a dependable and enduring solution for water distribution and sewer systems.

Q: What is the expected bending stress capacity of ductile iron pipes?: The expected bending stress capacity of ductile iron pipes varies depending on the specific grade and size of the pipe, as well as factors such as installation conditions and external loads. However, ductile iron pipes generally have high strength and flexibility, allowing them to withstand significant bending stresses. It is recommended to refer to the manufacturer's specifications and engineering guidelines for a more accurate estimation of the bending stress capacity of a particular ductile iron pipe.

Q: Can ductile iron pipes be used for underground geothermal systems?: Indeed, underground geothermal systems can utilize ductile iron pipes. Renowned for their robustness, endurance, and immunity to corrosion, these pipes are apt for myriad purposes, encompassing underground geothermal systems. They possess the capacity to withstand elevated temperatures and pressures, rendering them optimal for conveying scorching geothermal fluids. Moreover, ductile iron pipes boast a protracted lifespan and the ability to endure the soil shifts and strains inherent in subterranean installations. Consequently, they represent a dependable selection for underground geothermal systems.

Q: Are ductile iron pipes suitable for use in hydropower projects?: Indeed, ductile iron pipes prove to be a suitable option for implementation in hydropower projects. Possessing a remarkable tensile strength and corrosion resistance, these pipes emerge as the ideal choice for applications in hydropower projects where water flow and pressure play a significant role. Demonstrating the ability to endure high pressure and boasting durability, these pipes guarantee long-term reliability and safety within hydropower systems. Furthermore, when compared to alternative materials such as steel, ductile iron pipes present a cost-effective solution, rendering them a favored selection for hydropower projects. In summary, ductile iron pipes possess the essential characteristics and performance qualities necessary to meet the rigorous conditions encountered in hydropower projects.

Q: Ductile iron pipes lined with cement mortar in the water (living water, water in the 6.9-7.3) in the early pH, why pH increased? How to solve this problem?: 1, because of the bone in mortar, such as silicate products, there will be silicification reaction, in addition, there is the reaction of limestone in lime.2, cement mortar lining cover coating, that is, spray some paint! Some questions four are unavoidable

Q: Can ductile iron pipe be used in high-pressure applications?: Yes, ductile iron pipe can be used in high-pressure applications. Ductile iron pipe has excellent tensile strength and is capable of withstanding high pressure levels. It is often used in water and wastewater systems, as well as in oil and gas pipelines where high-pressure conditions are present.

Q: What is the typical weight of ductile iron pipes?: The weight of ductile iron pipes can differ according to their size and thickness. Nonetheless, as a broad reference, smaller diameter pipes typically weigh around 1 pound per foot, while larger diameter pipes can weigh several hundred pounds per foot. The weight of ductile iron pipes is influenced by factors like the dimensions of the pipes, the thickness of their walls, and the particular requirements of the intended use. It is essential to acknowledge that these weights are approximate and subject to variation depending on the manufacturer and product specifications.

Q: Can ductile iron pipes be used in tunneling or microtunneling projects?: Yes, ductile iron pipes can be used in tunneling or microtunneling projects. Ductile iron pipes are known for their strength, durability, and flexibility, making them suitable for underground applications. They can withstand the external pressure exerted by the surrounding soil or rock during tunneling, ensuring the integrity and safety of the project. Additionally, ductile iron pipes have excellent corrosion resistance properties, which is crucial in tunneling projects where the pipes are exposed to moisture and other corrosive elements. Their smooth internal surface also facilitates the flow of fluids or materials through the pipes, making them an ideal choice for tunneling or microtunneling projects.

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