| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CFR,CIF,EXW |
| Transportation: | Ocean,Land,Express |
| Port: | Tianjin,Qingdao,Shanghai |
Model No.: K9
Place Of Origin: China
Shape: Round
Material: Ductile Iron
Species: Seamless
Processing Service: Welding, Bending, Punching, Decoiling, Cutting
| Selling Units | : | Ton |
| Package Type | : | Standard marine packaging, or as required by the customer |
| Picture Example | : |
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Ductile Cast Iron Pipe, also known as Ductile Iron Pipe or Di pipe, is a type of piping commonly used for water and wastewater applications. It is made from cast iron with added graphite nodules, which give it increased flexibility, strength, and durability compared to traditional cast iron pipes. Ductile cast iron pipes are known for their resistance to corrosion, abrasion, and internal pressure, making them ideal for transporting water over long distances and under high pressure. With excellent mechanical properties and a long service life, ductile cast iron pipes are a reliable choice for various infrastructure projects, including water distribution systems, sewer lines, and industrial pipelines.
1. Strength and Durability: Ductile cast iron pipes have high tensile strength and are resistant to deformation, making them suitable for underground installations and withstanding external loads.
2. Corrosion Resistance: The internal lining and external coatings of ductile cast iron pipes provide excellent resistance to corrosion, prolonging the lifespan of the pipes and reducing maintenance costs.
3. Flexibility: Ductile cast iron pipes have inherent flexibility, allowing them to withstand ground movement and settle without fracturing or leaking.
4. Longevity: With proper installation and maintenance, ductile cast iron pipes can have a lifespan of over 100 years, offering long-term reliability for water distribution systems.
5. Flow Capacity: The smooth internal surface of ductile cast iron pipes minimizes friction losses and maintains consistent flow rates, ensuring efficient water distribution.
6. Environmental Sustainability: Ductile cast iron pipes are made from recycled materials and are fully recyclable at the end of their service life, contributing to environmental sustainability.
Product Specification
| All specifications products can be customized according to customer requirements | |
| Product Name | Ductile Iron Pipe |
| Size | Outside Diameter: 98mm-1255mm Inside Diameter: 80mm-1200mm Wall Thickness: 6mm-153mm Length: 6m, cut to 5.7m, or as required. |
| Grade | K8, K9, K10, K11, K12, C25, C30, C40, etc. |
| Standard | ISO2531, EN545, EN598, etc |
| Surface | External bitumen coating, or as required. |
| Internal coating | a). Portland cement mortar lining b). Sulphate Resistant cement mortar lining c). High-Aluminum cement mortar lining d). Fusion bonded epoxy coating e). Liquid epoxy painting f). Black bitumen painting |
| External coating | a). zinc+bitumen(70microns) painting b). Fusion bonded epoxy coating c). Zinc-aluminum alloy +liquid epoxy painting |
| Quality Control | 100% inspection + professional Lab test |
| Certification | ISO, CE, BSI, WRAS, SGS, etc |
| Package | Standard export package, or as required. |
| Payment | T/T, L/C, Western Union, etc. |
| Application | Water supply project, drainage, sewage, irrigation, water pipeline, etc. |
| DN(mm) | External Diameter | Socket Weight(Kg) | Unit Weight(Kg/m) | Total Weight(Kg) Length=6000mm | |||||||
| Size(mm) |
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| K8 | K9 | K10 | C Class | K8 | K9 | K10 | C Class | |
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| Class | Kg/m |
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| 80 | 98 | 3.7 | 12.2 | 12.2 | 12.2 | C40 | 9.10 | 76.8 | 76.8 | 76.8 | 58.30 |
| 100 | 118 | 4.7 | 14.9 | 15.1 | 15.1 | C40 | 11.12 | 94.1 | 95.4 | 95.4 | 71.42 |
| 150 | 170 | 8.5 | 21.8 | 22.8 | 22.8 | C40 | 16.48 | 139.4 | 145.4 | 145.4 | 107.38 |
| 200 | 222 | 10.9 | 28.7 | 30.6 | 30.6 | C40 | 22.62 | 183.6 | 194.6 | 194.6 | 146.62 |
| 250 | 274 | 15 | 35.6 | 40.2 | 44.3 | C40 | 32.63 | 228.8 | 255.8 | 280.8 | 210.78 |
| 300 | 326 | 22.2 | 45.3 | 50.8 | 56.3 | C30 | 43.90 | 393.3 | 326.3 | 326.3 | 285.60 |
| 350 | 378 | 26.5 | 55.9 | 63.2 | 69.6 | C30 | 51.88 | 361.8 | 405.8 | 443.8 | 337.78 |
| 400 | 429 | 32.5 | 80 | 75.5 | 83.7 | C30 | 60.78 | 436 | 485 | 535 | 397.18 |
| 450 | 480 | 41.6 | 80 | 89 | 99 | C30 | 73.30 | 521.6 | 575.6 | 635.6 | 481.40 |
| 500 | 532 | 50.6 | 92.8 | 104.3 | 115.6 | C30 | 87.20 | 607.8 | 676.8 | 743.8 | 573.80 |
| 600 | 635 | 71.9 | 122 | 137.3 | 152 | C30 | 120.62 | 803.6 | 894.6 | 983.6 | 795.62 |
| 700 | 738 | 85.3 | 155 | 173.9 | 193 | C25 | 142.15 | 1015.2 | 1129.2 | 1243.2 | 938.20 |
| 800 | 842 | 108.7 | 192 | 215.2 | 239 | C25 | 177.07 | 1261.1 | 1400.1 | 1543.1 | 1171.12 |
| 900 | 945 | 140.1 | 232 | 260.2 | 289 | C25 | 197.68 | 1532.1 | 1701.1 | 1874.1 | 1362.18 |
| 1000 | 1048 | 174.3 | 275 | 309.3 | 343.2 | C25 | 266.28 | 1824 | 2030 | 2234 | 1771.98 |
| 1200 | 1265 | 267.5 | 374 | 420.1 | 466.1 | C25 | 373.88 | 2511.8 | 2787.8 | 3063.8 | 2510.78 |
| Nominal diameter | Wall Thickness | ||||||
| DN |
| Pipe | Finttings | ||||
| Class C | K8 | K9 | K10 | K12 | K12 | K14 | |
| 80 | 4.4 | 6.0 | 6.0 | 7.0 | 8.1 | ||
| 100 | 4.4 | 6.1 | 7.2 | 8.4 | |||
| 125 | 4.5 | 6.3 | 7.5 | 8.8 | |||
| 150 | 4.5 | 6.3 | 7.8 | 9.1 | |||
| 200 | 4.7 | 6.4 | 8.4 | 9.8 | |||
| 250 | 5.5 | 6.8 | 7.5 | 9.0 | 9.0 | 10.5 | |
| 300 | 6.2 | 6.4 | 7.2 | 8.0 | 9.6 | 9.6 | 11.2 |
| 350 | 6.3 | 6.8 | 7.7 | 8.5 | 10.2 | 10.2 | 11.9 |
| 400 | 6.5 | 7.2 | 8.1 | 9.0 | 10.8 | 10.8 | 12.6 |
| 450 | 6.9 | 7.6 | 8.6 | 9.5 | 11.4 | 11.4 | 13.3 |
| 500 | 7.5 | 8.0 | 9.0 | 10.0 | 12.0 | 12.0 | 14.0 |
| 600 | 8.7 | 8.8 | 9.9 | 11.0 | 13.2 | 13.2 | 15.4 |
| 700 | 8.6 | 9.6 | 10.8 | 12.0 | 14.4 | 14.4 | 16.8 |
| 800 | 9.6 | 10.4 | 11.7 | 13.0 | 15.6 | 15.6 | 18.2 |
| 900 | 11.6 | 11.2 | 12.6 | 14.0 | 16.8 | 16.8 | 19.6 |
| 1000 | 12.6 | 12.0 | 13.5 | 15.0 | 18.0 | 18.0 | 21.0 |
| 1200 | 13.6 | 13.6 | 15.3 | 17.0 | 20.4 | 20.4 | 22.8 |
| 1400 | 15.7 | 15.2 | 17.1 | 19.0 | 22.8 | 22.8 | 26.6 |
| 1500 | 16.7 | 16.0 | 18.0 | 20.0 | 24.0 | 24.0 | 31.0 |
| 1600 | 17.7 | 18.8 | 18.9 | 21.0 | 25.2 | 25.2 | 29.4 |
| 1800 | 19.7 | 18.4 | 20.7 | 23.0 | 27.6 | 27.6 | 32.2 |
| 2000 | 21.8 | 20.0 | 22.5 | 25.0 | 30.0 | 30.0 | 35.0 |
Mechanical properties
| Nominal Size DN | Minimum Tensile Strength, Rm Mpa | Minimum 0.2% Proof Stress, Rp0.2 Mpa | Minimum Elongation After Fracture,A % | Hardness HB |
| 80-1000 | ≥420 | ≥300 | ≥10 | ≤230 |
| 1100-2600 | ≥7 | |||
| Note: 1. By Agreement Between Manufacture And Purchaser, The 0.2% Proof Stress (Rp0.2) May Be Measured. It Shall Be Not Less Than: · 270 MPa When A≥12% For DN 40 To DN 1000 Or A≥10% For DN ＞1000; · 300 MPa In Other Cases. 2. DN 40 To DN 1000, The Minimum Elongation After Fracture Shall Be 7% For Thickness Classes Over K12. | ||||
Packing & Delivery
DN80-DN300: Usually by bundles;
DN350-DN2000: Usually by bulk;
During transportation, the pipes are fixed by timbers, blocks, nails & steel ropes with cushions at the side in possible moving directions;
Bulk or containers for shipping, shipment, and trucks or train for inland transport.
We offer different modes of transport depending on the customer's destination: rail transport and ship transport, etc. The Shipping Mark shall consist of: Trade mark, Seller's name, Product name, Applicable standards, Specifications, Package No., Contract No., Heat No., Production date, Weighing method, Net weight, Gross Weight, Consignee and Protection symbols, etc.
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