ISO2531 K9, C40, C30, C25 6m High Quality DI Pipe Ductile Cast Iron Socket Spigot Pipes

  • 1 - 99 Tons
  • 100 - 999 Tons
  • >=1000 Tons
DN80mm - DN2600mm
Lead Time:
Quantity(Tons) 1 - 1 >1
Est. Time(days) 30 Negotiable
Customized logo (Min. Order: 1 Tons)
Customized packaging (Min. Order: 1 Tons)


Graphic customization (Min. Order: 1 Tons) Less
Report Suspicious Activity
Quick Details
Place of Origin:
Shanxi, China
Brand Name:
Model Number:
Ductile iron pipes
pipeline, Water supply pipes, drainage pipes,etc.
Pipe Wall Thickness:
K9, C40, C30, C25, etc
Pull Strength:
Pull Strength: >420MPa
Yield (≥ MPa):
300 MPa
Ductile Iron
Water Systerm
Joint Type:
T-type (Push-on), K-type, Self-Restrained
Internal coating:
Portland, Sulphate Resistant, High-Aluminum cement mortar lining,etc
External Coating:
Zinc + bitumen painting,Fusion bonded epoxy coating,etc
Metallic zinc coating + Bitumen complying with ISO8179
Black Painted
Bulk vessel or container
100% Water Pressure Test
Product Certification certification
WRAS Certified.
Valid from 2017-04-01 until 2022-04-01
Supply Ability
Supply Ability:
12000 Ton/Tons per Month Ductile iron pipe
Packaging & Delivery
Packaging Details
packet with steel belt
Lead Time :
Quantity(Tons) 1 - 1 >1
Est. Time(days) 30 To be negotiated
Video Description

ISO2531 K9, C40, C30, C25 6m High Quality DI Pipe Ductile Cast Iron Socket Spigot 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)  The coating of pipes can be

15)  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)

16) 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   


Detailed Images


Production Flow


Related products



Factory Overview


Our Services

------SAMPLE ROOM------



Company Information

------ABOUT US------


------OUR EXHIBITION------



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. What's your terms of payment?
A: T/T, L/C , Alibaba Trade Assurance available, full protection for your orders.


7.Do you accept custom design on size?
A: Yes, if the size is reasonable


Transported by DHL, UPS, EMS, Fedex, SF, by Air, by Sea.