DUCTILE IRON PIPE DN300 K9

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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

Product Introduction

CNBM ductile cast iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: Pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: Pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: Pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container.

Q: Are ductile iron pipes resistant to soil movement?: Yes, ductile iron pipes are resistant to soil movement. Ductile iron pipes have a high tensile strength, which allows them to withstand external forces such as soil movement. These pipes are designed to be flexible and are able to absorb and distribute stresses caused by ground settlement or other forms of soil movement. Additionally, ductile iron pipes have a strong and durable construction that can resist the compressive forces exerted by the surrounding soil. Overall, ductile iron pipes are a reliable and resilient choice for underground pipelines, providing long-term stability and resistance to soil movement.

Q: Is it better to use steel tubes or ductile iron pipes for water supply?: Flexible seamless steel pipe is good toughness, good processing, better than ductile iron corrosion resistance, the price is slightly higher;

Q: Can ductile iron pipes be used for trench crossings?: Yes, ductile iron pipes can be used for trench crossings. Ductile iron pipes are known for their high strength and durability, making them suitable for various applications including trench crossings. They have the ability to withstand heavy loads and provide increased resistance to external forces, making them a reliable choice for such purposes.

Q: What's the advantage of FCD50 ductile iron?: Ductile cast iron pipes are called ductile iron pipes.

Q: Can ductile iron pipe be used in areas with high groundwater levels?: Yes, ductile iron pipe can be used in areas with high groundwater levels. Ductile iron pipe is known for its durability and strength, making it suitable for use in various applications, including areas with high groundwater levels. Its corrosion resistance properties make it highly resistant to the corrosive effects of groundwater, ensuring long-term performance and reliability. Additionally, ductile iron pipe's joint flexibility allows it to withstand ground movement and settlement caused by fluctuating groundwater levels. Therefore, it is a suitable choice for areas with high groundwater levels, providing a reliable solution for water distribution systems and other underground applications.

Q: Does the cast iron pipe need separate corrosion protection?: No, the inner and outer corrosion protection of the tube has been done.

Q: Can ductile iron pipes be used for high-pressure applications?: Yes, ductile iron pipes can be used for high-pressure applications. Ductile iron is a strong and durable material that can withstand high pressure and loads. It has excellent mechanical properties, including high tensile strength and impact resistance, making it suitable for various applications, including water and wastewater systems, oil and gas pipelines, and industrial processes. Additionally, ductile iron pipes have a high resistance to corrosion and abrasion, further enhancing their suitability for high-pressure environments. However, it is essential to consider the specific requirements and design factors of the application to ensure that the ductile iron pipes meet the necessary standards and specifications for the desired pressure range.

Q: Can ductile iron pipe be used for wastewater treatment plant sludge dewatering?: Yes, ductile iron pipe can be used for wastewater treatment plant sludge dewatering. Ductile iron pipes are commonly used in wastewater treatment plants due to their durability, strength, and corrosion resistance. They can handle the harsh conditions and abrasive nature of sludge dewatering processes. Ductile iron pipes are also known for their leak-proof joints, which are crucial in preventing any leakage of sludge during the dewatering process. Additionally, ductile iron pipes are available in various sizes and can be easily installed, making them a suitable choice for wastewater treatment plant sludge dewatering applications.

Q: What are the differences between cast iron pipes W and A?: W type socket cast iron drainage pipe made of stainless steel flexible clamp connection in the construction of the installation; A type cast iron drainage pipe with flexible flange and sealing ring connection in the construction of the installation; B type cast iron drainage pipe comprehensive advantages of W type and A type cast iron drainage pipe, straight pipe part adopts W type bearing mouth of pipe, pipe fittings with double flange structure;

Q: How are ductile iron pipes protected from external damage?: Ductile iron pipes are protected from external damage through the application of protective coatings. These coatings act as a barrier, shielding the pipes from corrosion and other forms of external damage. Additionally, the pipes may be encased in concrete or installed in a casing pipe to provide further protection against external forces and impacts.

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