Ductile Iron Pipe of China DN200-DN400 EN545/ EN598/ ISO2531

Ref Price:
$460.00 - 475.00 / m.t.
Loading Port:
China main port
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
50000 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.

4) Our products have been sold to many international market,such as Middle East and South East Asia and Africa.

 

2. Main Features of the Ductile Iron Pipe:

 

·High yield strength

·High tensile Strength

·High corrosion resistance

·Pressure Resistence

·Anti-corrosion

·Installation is convenient

·Satisfy the highest hygienic standards

 

3. Ductile Iron Pipe Images:

 

Ductile Iron Pipe of China 5200 Chip Price

Ductile Iron Pipe of China 5200 Chip Price

 

4. Ductile Iron Pipe  Specification

 

Standard: API SPEC 5L  44th eidtion,ASTM A252-98(2007)

Grade:  A53 Grades A/B, ASTM A106 Grades B/C,ASTM A179

             AWWA, C200, ASTM A139, ASTM A120,   API 5L Grade B    

             X42, X52, X56, X60, X65, X70, X80, X100

Weld Alternatives:  LSAW

OD size range: 6.4~44.5mm

Wall thickness:  406.4~1422mm

Length: 3 - 12 m according to requirment

Note: Other grade can also be provided after consulting. Special design are available

for coal slurry conveyance LSAW line tube -- Service.

 

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:Luo what effect of ductile cast iron
Chromium is an anti graphitization element, which hinders the graphitization process of cast iron, increases the content of cementite (Fe3C) in the internal structure of cast iron, and stabilizes pearlite at the same time. It affects the mechanical and processing properties of nodular cast iron.
Q:What is the acceptance of cast iron pipe material?
Specific acceptance, first of all in line with national standards, followed by the provisions of the contract, and then the project requirements. General contract and drawings will have the requirements and standards of pipe. I hope I can help you.
Q:How many degrees can the ductile iron pipe be each?
Minimum tensile strength: 420/Mpa, minimum yield strength: 300/Mpa, minimum elongation 7%.
Q:What if the ductile iron pipe is broken?
Ductile iron pipe rupture can be repaired by using a cast iron defect repair machine, that is, a cast iron defect repair device. However, the general use of iron defects repair equipment can be repaired welding, and will not affect its use. Ductile iron pipes are used for water supply, so if it breaks, it will not be easy to handle. Make sure that the main valve is closed and repaired.
Q:Ductile iron pipe in the direction of it?
The use of cast iron by adding more than 18 nodularizer, after centrifugal ductile cast iron machine high speed centrifugal cast pipe, called "ductile" (Ductile Cast Iron Pipes), referred to as ball pipe, ductile iron pipe and ductile iron pipe etc..
Q:What is the difference between a cast iron pipe and a ductile iron pipe?
Nodular cast iron has high strength and strong plasticity. The tensile strength of ductile iron is twice that of gray iron, and the yield strength even exceeds that of cast steel.
Q:How much is the working pressure of ductile iron pipe used in water supply pipe and how is MPa determined?
Upstairs are positive solutions, but now outdoor buried water pipes are using steel wire mesh skeleton, plastic composite pipe instead of ductile iron pipeThe general pressure grades used for water supply pipes are 1.0MPa and 1.6Mpa
Q:How can the three pipes of ductile iron leak?
When the pipe connection of the three water leakage, first of all to see whether it is to do the pipe three links of the manufacturers, pressure did not reach, if it is. It is only the replacement, if not, with cast iron electrode welding, or socket connection half!
Q:What pipe can be used to replace the cast iron pipe in the water supply? Thank you
According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated.
Q:How does the white iron appear in the case of ductile iron?
Casting cooling, surface and thin section at often produce white. White tissue hard and brittle, poor processing performance, easy peeling. So it is necessary to use the annealing (or normalizing) method to eliminate white tissue. The annealing process: heating to 2 DEG C 550950 ~ 5 h, then 500 to 550 DEG C Furnace cooling again followed by air cooling. During high temperature insulation, high travel cementite eutectic cementite decomposition of graphite and A in the subsequent two carburizing cooling process and eutectoid cementite decomposition, graphitization process. Due to the decomposition of cementite, resulting in the decrease in hardness, thereby improving machinability.Hope to help you.

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