Qian’an Rentai Metal Products Co.,Ltd

K9 class DN300 ductile iron pipe

Group Ductile Iron Pipe
PriceUS $34-36 / meter
Min. Order 1200 meter
Terms of Payment L/C, T/T
Update Time 2019-04-17
Item specifics
130g zinc coating70μ bitumen coating
SBR rubber gasketsISO2531 K9 Class
k8,k9 classEN545 EN598 standard
ISO2531 StandardK9 Class
  • Description
  • Product review

One leading Manufacturers of C25, C30, C40 K9 Ductile Iron pipe in China

Product Description


Top quality EN545 Ductile cast iron pipe with polyurethane coating


Product Standard

Cast iron pipe
Standard: ISO9001/EN545/EN598
Range: DN80-1200mm
Class: C25/C30/C40//K8/K9
Pressure: PN10/PN16/PN25/PN40
Joint type: T type/K type/Self-restrained type

RENTAI DCI pipe comply with EN and international standards.

For Potable Water

  • ISO2531-2009:Ductile iron pipes,fittings,accessories and their joints for water applications.
  • EN545-2010: Ductile iron pipes,fittings,accessories and their joints for water pipelines requirements and test method.
  • ISO4179-2005:Ductile iron pipes and fittings for pressure and non-pressure pipelines -- Cement mortar lining.
  • ISO8179-2004:Ductile iron pipes -- External zinc-based coating -- Part 1:Metallic zinc with finishing layer.
  • BS 3416:1991:Specification for bitumen-based coatings for cold application,suitable for use in contact with potable water.
  • ISO4633-2002:Rubber seals -- Joint rings for water supply,drainage and sewerage pipelines--Specification for materials.
  • ISO8180-2006:Ductile iron pipelines--Polyethylene sleeving for site application.
  • EN681-1 :Elastomeric seals. Material requirements for pipe joint seals used in water and drainage applications Vulcanized rubber.

For sewage application

  • EN598-2007:Ductile iron pipes, fittings, accessories and their joints for sewerage applications. Requirements and test methods.
  • ISO4633-2002:Rubber seals -- Joint rings for water supply, drainage and sewerage pipelines -- Specification for materials.
  • EN681-1:Elastomeric seals. Material requirements for pipe joint seals used in water and drainage applications Vulcanized rubber.


Better Mechanical Properties:

Microstructure comparison for Ductile Iron, Steel and Grey Cast Iron,


Better mechanical properties than steel pipe and grey cast iron pipe (as following table),

Type of PipeMechanical Properties
Tensile StrengthElongation(%)Hardness(HB)
Ductile Iron Pipe≥420N/mm2(DN≤1000)≥10 (DN>1000)≥7 ≤230
Grey Cast Iron Pipe150-260N/mm2Negligible≤230
Steel Pipe≥400N/mm2≥18Approx.140


Detailed Images

Packaging & Shipping

  Packing: in bulk or container 

Our Services

1. Fast Delivery: around 20 days below 300Metric Tons after sight of Irrevocable L/C or Deposit;

2. Quality Assured: Strictly acc. To International standard ASTM & BS & EN & JIS, with System ISO certification
3. Good Service: supplied professional technical guide free of charge at anytime;
4. Reasonable Price: to be better support your business.


Production Flow

One leading Manufacturers of C25, C30, C40 K9 Ductile Iron pipe in China



Company Information

We are one of the leading manufacturers of ductile iron pipe,pipe fittings,dismantling joints,flanged adaptors, couplings, valves , 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.  Presently, we are looking forward to your inquiries and to establishing long term cooperation relationship based on mutual benefits.



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,CFR,CIF all acceptable.