EN545 Ductile Iron Pipe DN300

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: -

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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, bundle, paint ,cap,container ,etc.according to customers' requirement.

1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

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:Are ductile iron pipes suitable for horizontal directional drilling (HDD) installations?: Yes, ductile iron pipes are suitable for horizontal directional drilling (HDD) installations. They possess the necessary strength and flexibility to withstand the drilling process and can be easily installed underground without compromising their structural integrity.

Q:Are ductile iron pipes suitable for trenchless installation methods?: Trenchless installation methods can indeed utilize ductile iron pipes effectively. Renowned for their strength, durability, and flexibility, ductile iron pipes prove to be an excellent choice for techniques like horizontal directional drilling (HDD) and pipe bursting. When employing HDD, a small pilot hole is drilled underground, and the ductile iron pipe is subsequently pulled through this hole, eliminating the need for extensive trenching. The robustness of ductile iron pipes allows them to endure the pulling forces exerted during this process while being effortlessly guided along the underground path. Pipe bursting, on the other hand, is another trenchless method that involves breaking apart an existing pipe while simultaneously pulling a new ductile iron pipe into place. Due to their strength and flexibility, ductile iron pipes can withstand the force required to burst the current pipe, resulting in minimal disruption to the surrounding area. Both these trenchless installation methods offer various advantages when ductile iron pipes are used. These pipes possess a high resistance to corrosion and can endure high-pressure applications, making them suitable for a broad range of underground environments. Moreover, their long service life reduces the need for frequent replacement and maintenance. Ultimately, ductile iron pipes emerge as a dependable and appropriate option for trenchless installation methods, presenting efficient and cost-effective solutions for underground pipe installations.

Q:Can ductile iron pipes be used for stormwater drainage systems?: Yes, ductile iron pipes can be used for stormwater drainage systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications including stormwater drainage. These pipes can efficiently handle the high flow rates and heavy loads associated with stormwater runoff, making them a reliable choice for such systems.

Q:Are ductile iron pipes suitable for use in cooling water systems?: Ductile iron pipes are indeed appropriate for utilization in cooling water systems. They exhibit remarkable strength and durability, rendering them impervious to the intense pressure and corrosive properties inherent in such systems. Furthermore, they possess the ability to withstand extreme fluctuations in temperature while delivering enduring performance. Additionally, ductile iron pipes exhibit commendable resistance to the proliferation of microorganisms, a crucial aspect in preserving the quality of the cooling water. Moreover, these pipes facilitate effortless installation and necessitate minimal maintenance, thereby constituting a cost-effective alternative for cooling water systems. In summary, ductile iron pipes represent a dependable and suitable choice for employment in cooling water systems.

Q:How long is the service life of the cast iron pipe, and the time of use of ductile iron pipes?: Ductile iron is a new type of pipe, as long as we use it properly, the quality of its products, then the use of ductile iron pipes for 20-35 years, basically no problem. But whether it is ductile cast iron pipe, or some other things, the use of more years, and more or less, there will be some problems, ductile iron pipe can not escape the robbery. However, as long as we use the ductile iron pipe in the process of careful care, the service life of the problem is not to worry about.

Q:The difference between ductile iron pipe and steel pipe used in pipe jacking: Comparison between ductile iron pipe and universal cast iron pipe: the process of making ductile iron pipe is cast by adding alkaline earth metal or rare metal such as magnesium and calcium in the raw material of common cast iron pipe.

Q:Can ductile iron pipe be used for compressed air systems?: Indeed, compressed air systems can make use of ductile iron pipe. Ductile iron pipe, renowned for its robustness, endurance, and crack resistance, proves suitable for numerous applications, including compressed air systems. It possesses the capability to endure high pressures and exhibits a lesser tendency to corrode or rust in comparison to alternative materials. Nonetheless, it becomes crucial to guarantee that the ductile iron pipe is adequately sized and installed to accommodate the precise demands of the compressed air system. Furthermore, conducting regular maintenance and inspections becomes imperative to avert any potential problems or damages.

Q:What are the different corrosion protection options for ductile iron pipe?: To ensure the longevity and durability of ductile iron pipes, there are several options available for corrosion protection. These options are as follows: 1. Cement Mortar Lining: A layer of cement mortar is applied to the inner surface of the pipe, creating a barrier against corrosive elements in water or soil. This lining offers excellent corrosion resistance and can endure for many decades. 2. Polyethylene Encasement: The ductile iron pipe is wrapped with a layer of polyethylene material, which acts as a physical shield against external corrosive elements. This method is commonly employed in aggressive soil conditions and provides long-lasting protection. 3. Internal and External Coatings: Different types of coatings, such as epoxy, polyurethane, or fusion-bonded epoxy (FBE) coatings, can be applied to the inner and outer surfaces of the pipe to resist corrosion. These coatings form a barrier that prevents the pipe from corroding in the surrounding environment. 4. Cathodic Protection: An electrical current is utilized to safeguard the pipe from corrosion. Cathodic protection systems can be either galvanic (sacrificial anode) or impressed current systems. These systems control the flow of electrons, preventing the oxidation of the ductile iron pipe. 5. Zinc Coating: Also known as galvanizing, this method involves applying a layer of zinc to the surface of the ductile iron pipe. Zinc acts as a sacrificial anode, corroding instead of the iron pipe. Zinc coating is particularly effective in soil conditions with low resistivity, offering reliable corrosion protection. It is crucial to consider various factors such as the environment, water chemistry, soil conditions, and expected service life when choosing a corrosion protection option for ductile iron pipes. Consulting with corrosion protection specialists and engineers can assist in selecting the most suitable option for specific applications.

Q:What is the expected sound attenuation of ductile iron pipes?: Several factors can affect the expected sound attenuation of ductile iron pipes. Generally, these pipes have good sound attenuation properties due to their dense construction and thick walls. The density of the material helps absorb and dampen sound waves, reducing noise transmission. Additionally, the thickness of the pipe walls adds an extra barrier for sound to pass through, contributing to sound attenuation. However, it's important to consider other factors that can influence the specific sound attenuation of ductile iron pipes. These factors include pipe diameter, wall thickness, installation method, and the surrounding environment. For example, larger diameter pipes may have slightly lower sound attenuation compared to smaller diameter pipes due to their increased surface area. Additionally, variations in wall thickness can affect the sound insulation properties. During installation, the presence of joints or fittings in the pipeline can create points where sound can transmit, reducing sound attenuation. Therefore, it is recommended to use proper installation techniques that minimize the use of joints and fittings to enhance sound attenuation. The surrounding environment also plays a role in sound attenuation. For instance, if the pipes are buried in soil, the composition and density of the soil can affect sound transmission properties. Moreover, the presence of other structures or materials nearby may influence the overall sound attenuation performance. To determine the specific expected sound attenuation of ductile iron pipes for a particular application, it is advisable to consult manufacturer specifications or seek assistance from acoustic engineering professionals. They can consider all relevant factors and conduct specific tests or simulations to provide accurate predictions.

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