Ductile Iron Pipe ISO2531:1998 C CLASS DN400

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Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
200000 m.t./month

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Product Description:

1.Ductile Iron Pipe Description :
1) Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179,  outside Zinc 
spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.
2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633
3) we can do third party inspection according to customer's request.

2.Main Features of the Ductile Iron Pipe:
1).Quality guarantee
•  Chemical checking
•  NDE after rough machining
•  Mechanical testing after heat treatment
•  Final NDE,dimension inspected
2).Quality document
•  Full Q.A document as per client request
3).Packing and Shipping
•  standard export package(carton/wooden case/pallet)
•  accept FOB,FAS,CNF,CIF door to door etc or customer designated shipping agent
1. Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083
2. Standard: ISO 2531, EN545, EN598, ANSI, AWWA
3. Certificate: ISO9001, ISO14001, SGS, NSF, WRAS
4. Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
5. Length: 6m or cut into 5.6m, 5.7m, 5.8m
 

3.Ductile Iron Pipe Images:

 

 

4.Ductile Iron Pipe  Specification:
Internal lining:      ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating:  ductile iron 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:             ductile iron 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

 

5.FAQ:
We have organized several common questions for our clients,may help you sincerely:
1.Q: Why would you choose ductile iron pipe rather than other pipe materials?
 A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile 
iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to 
installation and commissioning.
 2.Q:Why can you guarantee the inner of pipes can’t be corroded?
 A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable 
to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

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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:What is the relationship between continuous cast iron pipe and ductile iron pipe?
Cast iron pipes are divided into continuous cast iron pipes and centrifugal cast iron pipes according to different casting methods. They are divided into gray cast iron pipes and ductile iron pipes according to different materials.
Q:Steel plastic pipe, ductile iron pipe, steel pipe difference
The steel plastic pipe, the outer layer is made of steel, the inner cover of organic material, not easy to transport corrosive medium, suitable for delivery of utilities, tap water and toxic corrosive medium, not suitable for high temperature medium, pipe price is high, very difficult to install and manufacturers warranty period is generally 10 years.
Q:What is a graphite cast iron pipe?
Ductile iron pipes are pipes made of ductile iron.
Q:Ductile iron pipe is how many years warranty
Ductile iron pipe is a kind of cast iron pipe. In quality, the spheroidization of cast iron pipes is controlled to be 1-3 (spheroidization rate 80%), so the mechanical properties of the material have been better improved, with the nature of iron and the properties of steel. Ductile cast iron pipe after annealing, the microstructure is ferrite and pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..
Q:Ductile iron pipe connection mode
Jack painted on the outer surface and rubber lubricant: lubricant evenly installed ring inner surface, outer surface coating in the socket to socket socket parts lubricant line all the brush in the socket.
Q:How to choose a ductile cast iron pipe with guaranteed quality
1, first of all choose the regular manufacturers of ductile iron pipe products.2, the choice of ductile iron pipe, should be based on the specific circumstances of the construction site, select the pipe and fittings corresponding to the form of interface.3, rubber rings recommend the use of three yuan ethylene propylene rubber ring and so on.4, listen to the voice, knocking the iron: short duration. The iron ball: crisp sound, echo, short duration5, the cutting surface is gray: gray, shiny surface seems very dark, very rough. Ductile iron: gray, gray luster is bright, like gray surface roughness.
Q:QT400-10 nodular cast iron requires hardness of HRC47~51. Why can't quench hardness be reached?
Quenching temperature: when the silicon content of nodular cast iron is 2.0-3.0%, the quenching temperature is 860-900 DEG C, the silicon content is low, and the upper limit is taken when the lower limit is high.2. holding time: because of the consideration of diffusion graphite cast iron, alloy steel is therefore the holding time, holding time longer than carbon steel.3. oil quenching.
Q:What is the difference between a PE fire hose and a ductile iron pipe?
Seamless steel pipe: a pipe with a hollow cross section, used as a conduit for transporting fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.
Q:Method for cutting large diameter ductile iron pipe
When the volume ratio of oxygen and acetylene is less than 1, a carbonized flame is obtained. Because of less oxygen and incomplete combustion, the flame is longer than the neutral flame and the temperature is lower. Acetylene in the carbide flame is suitable for welding high carbon steel, cast iron and cemented carbide materials. When welding other materials with a carbide flame, the weld metal becomes hard and brittle.

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