Class c25 c30 c40 k7 k8 k9 Ductile cast iron water pipes
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,
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
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
f) Zinc spraying (Thickness testing)
g) Lining and coating (100% visual check, thickness testing
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
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
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
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
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.