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C25, C30, C40 K9 ductile iron pipes

Product Description

C25, C30,C40, K9 Ductile iron pipes

Product Description



1)  The standard of Pipe : ISO 2531, EN545 , EN598.

2)  Pipe class: K9, C40, C30, C25, etc.

3)  Pipe joint: push-on joint(Tyton joint), K type joint, self-restrained joint

4)  Effective length: in general, the pipe length is 6m for bulk shipment and  5.7m for container shipment.

5)  Internal lining: cement mortar lining as per ISO4179 

6)  Zinc coating: at least 130g/m2 as per ISO 8179 

7)  Bitumen painting: at least 70um as per ISO 8179 

8)  Gaskets are NBR rubber, natural rubber, SBR rubber or EPDM rubber ring as per ISO4633 

9)   DN 80 - 2,600 mm 

10)   High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life time 

11)   Checked by automatic inspection equipment

12)  Chemical composition: (%)

a)  C: 3.5 - 4.0 

b)  Si: 1.9 - 2.6

c)  Mn:0.15 - 0.45

c)  P: <0.06

d)  S: <0.02

13) Mechanical properties

a)  Tensile strength: ≥420MPa 

b)  Yield strength: ≥300Mpa 

c)  Hardness: ≤230HB 

d)  Elongation%: DN80 - 1000 ≥10  DN1200 - 2200 ≥7

14)  Process and testing: 

a) Induction furnace and treated metal (Chemical analysis of raw material, spheroidizing & Nodularity) 

b) Casting (Visual check and weight check)

c) Heat treatment (Micro structure) 

d) Hydrostatic test (Pressure test) 

e) Dimensional checks (Checking pipe length and joint, OD, wall thickness, appearance) 

f) Zinc spraying (Thickness testing) 

g) Lining and coating (100% visual check, thickness testing randomly) 

i) Marking and packing (100% visual check)

15) The pipe coating can be customized, such as, zinc-aluminum alloy, PU, etc.


Packing: bundled with steel belts or in bulk

Shipment: in bulk or container


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C25, C30, C40 K9 ductile iron pipes

C25, C30, C40 K9 ductile iron pipesC25, C30, C40 K9 ductile iron pipesC25, C30, C40 K9 ductile iron pipesC25, C30, C40 K9 ductile iron pipes


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C25, C30, C40 K9 ductile iron pipes

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C25, C30, C40 K9 ductile iron pipes

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 C25, C30, C40 K9 ductile iron pipes

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C25, C30, C40 K9 ductile iron pipes

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C25, C30, C40 K9 ductile iron pipesOur CertificateC25, C30, C40 K9 ductile iron pipes 

Company Information

We are one of the leading manufacturers of ductile iron pipe,Pipe Fittings,dismantling Joints ,flanged adaptors, couplings, valves, water meter,Manhole Covers,steel Flanges , steel pipe,steel pipe fitting, PVC pipe ,PVC Pipe Fitting, PE pipe ,PE pipe fitting,rubber O-rings, , Fasteners , pumps, motor shells and other Castings and Forgings. Our products are made according to different standards, such as ISO2531, EN545, EN14525, ISO4422, ISO7005, DIN3352, BS5163, DIN3202, BS2494, BS4504, EN124 and other relevant ISO, EN, BS, DIN and ANSI standards. Moreover, our products have been selling well in European, Middle East, Southeast Asian, South African and South American countries for more than 10 years. We can also make the castings and forgings according to customers' drawings or samples. Presently, we are looking forward to your inquiries and to establishing long term cooperation relationship based on mutual benefits.


C25, C30, C40 K9 ductile iron pipes


1. Can I get free samples?
A: Yes, we can provide you the free samples, but you need to bear their own delivery costs.

2. Can I request to change the form of packaging and transportation?
A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.

3. Can I request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.

4. Can I have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.

5. Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.


6. Which price terms could accepted?
A: FOB,CIF all acceptable.

C25, C30, C40 K9 ductile iron pipes

Contact us if you need more details on Ductile Iron Pipes K9. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Ductile Iron Pipes C25、Ductile Iron Pipes C30. If these products fail to match your need, please contact us and we would like to provide relevant information.

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