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ISO 2531 Class K9 Ductile Iron Tube With External Zinc Spaying Bitumen Coating

ISO 2531 Class K9 Ductile Iron Tube With External Zinc Spaying Bitumen Coating

Brand Name : NO

Model Number : DN80-DN2600

Certification : NO

Place of Origin : China

MOQ : 10 tons

Payment Terms : L/C, D/A, D/P, T/T

Delivery Time : 20-60 days

Packaging Details : Package in wooden pallet or cases

Material : ductile iron

Standard : ISO2531

Yield (≥ mpa) : ≥300Mpa

Hardness : ≤230HB

Joint type : Push-on Joint / K type / Restrained type

External coating : Zinc + Bitumen Painting

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ISO 2531 Class K9 Ductile iron pipe with external zinc spaying & bitumen coating

 

Description

Ductile iron pipe is a pipe made of ductile cast iron commonly used for potable water transmission and distribution. This type of pipe is a direct development of earlier cast iron pipe, which it has superseded.
Owing to our expertise in this domain, we are engaged in offering an exclusive array of Ductile Iron Pipes. Extensively used in different industrial units, these pipes are manufactured under the guidance of vendor’s skilled professionals using high grade raw materials in compliance with international standards. In order to ensure quality and durability, these pipes are stringently tested on various parameters.

 

Ductile cast iron is kind of alloy of iron, carbon and silicon, in which graphite exists in the type of spherical, generally the size of graphite is 6-7 class, and spheriodization grade of the pipe should be controlled 1-3 class(spheroidization rate is not below 80%). Thus after spheroidization, ductile cast iron possesses the nature of iron as well as the characteristic of steel. After annealing, its microstructure contains ferrite and a little pearlite possessing excellent mechanical properties.

Much of the production of ductile iron is in the form of ductile cast iron pipe, used for water and sewer lines. Ductile cast iron pipe is stronger and easier to tap, requires less support and provides greater flow area compared with pipes made from other materials like PVC, concrete, polyethylene or steel. Ductile Iron Pipe is the most widely-used pipeline product in water supply and water drain/sewage projects.

 

Quality control

The Hydraulic test pressure of the ductile iron pipes 

Nominal diameter DN(mm) Hydraulic test pressure
80≤DN≤300 5
350≤DN≤600 4
700≤DN≤1000 3.2
1100≤DN≤2000 2.5

 

Specifications:

The standard of pipe: SO 2531, EN545 , EN598. Pipe class: K9, C40, C30, C25, etc.
Pipe joint: push-on joint(Tyton joint), K type joint, self-restrained joint Effective length: in general, the pipe length is 6m for bulk shipment and 5.7m for container shipment.
Internal lining: cement mortar lining as per ISO4179 Zinc coating: at least 130g/m2 as per ISO 8179
Bitumen painting: at least 70um as per ISO 8179 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

Mechanical properties:

Tensile strength: ≥420MPa

b)Yield strength: ≥300Mpa

c) Hardness: ≤230HB

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

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)

 

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

 

Internal Lining External Coating
Internal Lining Pipes and Fittings External Coating Pipes and Fittings
Standard Coating Portland cement or Blast furnace cement mortar Standard Coating Metallic zinc + Bituminous paint
Reinforced Protections High alumina cement mortar Reinforced Protections Polyethylene sleeve applied
Special Coatings Please consult us Special Coatings Polyurethane or polyethylene coating or Ceramic

 

Weight of K9 ductile cast iron pipes with T type joint (ISO2531)

 

DN(mm) External Diameter (mm) Socket Weight (kg) Unit Weight (kg/m) Total weight (kg) Length=6000mm Total weight (kg) length=5700mm
80 98 3.4 12.2 77 73
100 118 4.3 15.1 95 91
150 170 7.1 22.8 144 138
200 222 10.3 30.6 194 185
250 274 14.2 40.2 255 244
300 326 18.6 50.8 323 309
350 378 23.7 63.2 403 384
400 429 29.3 75.5 482 460
450 480 32.2 89 575 550
500 532 42.8 104.3 669 638
600 635 59.3 137.3 882 842
700 738 79.1 173.9 1123 1071
800 842 102.6 215.2 1394 1330
900 945 129.9 260.2 1691 1613
1000 1048 161.3 309.3 2017 1925
1200 1265 237.7 420.1 2758 2632

 

ackaging Details

 
(1). We will pack your items by carton or plywood cases for exporting standard.
(2). We can also pack your items according to your requirements.
 
Our Service
 
1. Good quality and low price.
2. Good after-sale service.
3. Bring the finest goods to customer is our ultimate goal.
4. Products are exported to various countries.
 
Q: Is sample order acceptable?
A: Yes,of course.
 
Q: How to place the order?
A: You can send us email or inquiry.
 
Q: How many days for delivery?
A: Normally within 15~30 days after receipt of payment.
 
Q: How to make the payment?
A: We accept T/T, L/C.
 
Q: How will you make the shipment?
A: By sea, air or express service.

Product Tags:

concrete lined ductile iron pipe

      

cement lined pipe

      
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