T Type Ductile Iron Pipe DN500

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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

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

2) Wooden pieces are put between the pipes.

With good finish, high corrosion resistance and pressure-withstanding capacity.

Q:Are ductile iron pipes suitable for installation in areas with high groundwater salinity?: Ductile iron pipes are generally suitable for installation in areas with high groundwater salinity. Ductile iron is known for its corrosion resistance, making it a preferred choice for various applications, including water and wastewater systems. High groundwater salinity refers to an increased presence of dissolved salts in the water. While this can potentially cause corrosion in certain materials, ductile iron pipes are designed to withstand such conditions. Ductile iron pipes have a protective lining, typically made of cement mortar or polyurethane, which acts as a barrier between the pipe and the surrounding environment, including high salinity water. The lining helps to prevent any corrosive effects of the high groundwater salinity on the iron pipe, ensuring its long-term durability and reliability. Additionally, ductile iron pipes have a high tensile strength, allowing them to withstand external loads and pressure, even in challenging environments. It is important to note that the suitability of ductile iron pipes for areas with high groundwater salinity can also depend on factors such as the specific levels of salinity, the presence of other corrosive agents, and the overall design and installation practices. Therefore, it is recommended to consult with experts or engineers familiar with the local conditions to determine the most appropriate materials and precautions for specific installation projects.

Q:Can ductile iron pipes be used for railway bridges?: Yes, ductile iron pipes can be used for railway bridges. Ductile iron is a type of strong and durable cast iron that has excellent tensile strength and flexibility. These properties make it suitable for various applications, including railway bridges. Ductile iron pipes can be used to construct railway bridge components such as supports, beams, and columns. They provide structural stability and can withstand heavy loads and vibrations associated with railway traffic. Additionally, ductile iron pipes are resistant to corrosion, which is crucial for railway bridges exposed to outdoor conditions. Therefore, ductile iron pipes are a viable option for railway bridge construction.

Q:How many casting methods are there in ductile iron casting? A 60*6 discus can not have sand holes. Its surface is smooth. What process can be used to make it?: This is such a small piece, do not worry about shrinkage, mainly pay attention to sand hole and slag. With Disa wet molding line, a box of more pieces, suitable for mass production, defects will be relatively less. By using other methods (resin sand coated sand, etc.) can also be the main attention, don't type it, then the level of liquidity and relatively ductile iron, gray iron poor, sand and gas can not go up, sand holes or pores will spread in the discus plane.

Q:How much pressure can the ductile iron pipe socket meet?: After all, he is not steel, strength is low, toughness is poor. But a short period of about 100kg, things should be no problem.

Q:How does ductile iron pipe perform in areas with high groundwater salinity?: Due to its inherent resistance to corrosion, ductile iron pipe is highly effective in areas with high groundwater salinity. The presence of elevated levels of salt and minerals in the groundwater can lead to the corrosion and deterioration of certain materials, but ductile iron is highly resilient to this type of corrosion. Its composition and manufacturing process make it less susceptible to damage from corrosive elements found in high salinity water. The primary reason for the corrosion resistance of ductile iron pipe lies in its protective iron oxide coating, which naturally forms on both the interior and exterior surfaces of the pipe. This coating acts as a barrier, preventing direct contact between the pipe and the corrosive elements present in the groundwater. Additionally, ductile iron pipes are often lined with cement mortar or a protective epoxy coating, further enhancing their resistance to corrosion and providing an extra layer of protection. Moreover, ductile iron pipe boasts an extended lifespan, often surpassing 100 years, making it an ideal choice for areas with high groundwater salinity. Its durability and resistance to corrosion ensure that it can withstand the harsh conditions associated with high salinity environments, minimizing the frequency of repairs or replacements. In conclusion, ductile iron pipe is an exceptional option for areas with high groundwater salinity due to its corrosion resistance properties. Its protective iron oxide coating, along with optional linings, offers a dependable and long-lasting solution, guaranteeing the integrity and performance of the pipe system even in demanding environments.

Q:How are ductile iron pipes protected against external corrosion?: Ductile iron pipes are protected against external corrosion through the application of protective coatings such as polyethylene, epoxy, or zinc. These coatings act as a barrier between the pipe and the surrounding environment, preventing contact with corrosive elements such as water, soil, or chemicals. Additionally, cathodic protection techniques, such as sacrificial anodes or impressed current systems, may also be employed to further enhance the corrosion resistance of ductile iron pipes.

Q:What is the DN400 installation charge for ductile iron pipes?: Labor cost: refers to the total amount of wages according to the provisions of the payment to the construction and installation works in the production of workers and ancillary production units of workers costs.

Q:Can ductile iron pipes be used for underground cooling water systems?: Ductile iron pipes are suitable for underground cooling water systems. They are renowned for their durability, strength, and resistance to corrosion, making them ideal for various applications, including underground installations. In cooling water systems, where pipes encounter water and potentially harsh environments, ductile iron pipes offer a dependable and enduring solution. Their capacity to withstand high pressure and temperature variations also guarantees the efficient and secure operation of the cooling water system. Moreover, ductile iron pipes are frequently favored for underground installations because they are easy to install, require minimal maintenance, and are cost-effective.

Q:Are ductile iron pipes suitable for underground installations?: Yes, ductile iron pipes are suitable for underground installations. Ductile iron is a highly durable and strong material that can withstand the various pressures and stresses associated with underground environments. It has excellent resistance to corrosion, making it an ideal choice for underground applications where it may be exposed to moisture, soil, and other corrosive elements. Ductile iron pipes also have a high tensile strength, which allows them to withstand external loads and prevent cracking or breakage under ground movement or heavy traffic. Additionally, ductile iron pipes have a longer lifespan compared to other materials, making them a cost-effective option for underground installations. Overall, ductile iron pipes are a reliable and suitable choice for underground applications due to their durability, corrosion resistance, and long-term performance.

Q:What material is the cutting tool for ductile iron?: The tool manufacturers so much, such as: Santak, Kenna, widia, Dai Jie, Walter, MITSUBISHI, Toshiba, ISCA, TaeguTec, Zhuzhou, each of the grades are not the same. But according to your specific processing workpiece and processing time and precision requirements, can choose the most suitable tool.

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