Henan Wein Industry Co., Ltd.
| 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 |
| Brand Name | NO |
| Model Number | DN80-DN2600 |
| Certification | NO |
| Place of Origin | China |
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Product Specification
| 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 | Brand Name | NO |
| Model Number | DN80-DN2600 | Certification | NO |
| Place of Origin | China | ||
| High Light | concrete lined ductile iron pipe ，cement lined pipe | ||
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 This type of pipe is a direct development of earlier cast iron pipe, which it has superseded.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
Company Details
Business Type:
Manufacturer,Importer,Exporter,Seller
Year Established:
2004
Total Annual:
5000000-10000000
Employee Number:
>100
Ecer Certification：
Active Member
HENAN WEIN INDUSTRY CO.,LTD. is located in the famous commercial and historical city—Zhengzhou, and its registered capital is RMB 5,000,000 Yuan.WEIN is a joint-stock company, which focuses on ductile iron pipes & fittings both in domestic and overseas market. Our company offers h... HENAN WEIN INDUSTRY CO.,LTD. is located in the famous commercial and historical city—Zhengzhou, and its registered capital is RMB 5,000,000 Yuan.WEIN is a joint-stock company, which focuses on ductile iron pipes & fittings both in domestic and overseas market. Our company offers h...
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