| After-sales Service: | Bending,Welding,Cutting,Decoiling |
|---|---|
| Type: | Cast Iron Pipes |
| Usage: | Water Supply, Pressure Pipelines |
|
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| Standard: | ISO 2531 (Ductile iron pipes, fittings and accessories for pressure pipelines) |
| EN545 (Ductile iron pipes, fittings and accessories and their joints for water pipelines) | |
| EN598 (Ductile iron pipes, fittings, accessories and their joints for sewerage applications) | |
| Pipe class | K9, C40, C30, C25, etc. |
| Pipe joint | push-on joint(T-type), K-type, self-restrained joint |
| Effective length | 6m for bulk shipment;5.7m for container shipment. |
| Packing | DN100-DN300 in bundles; DN350-DN2600 in bulk ship |
| Internal lining | 1. Portland cement mortar lining |
| 2. Sulphate Resistant cement mortar lining | |
| 3. High-Aluminum cement mortar lining | |
| 4. Epoxy Resin Lining | |
| 5. Epoxy Ceramic Lining | |
| External Coating | 1. zinc+bitumen(70microns) painting |
| 2. Fusion bonded epoxy coating | |
| 3.Zinc-aluminum alloy +liquid epoxy painting | |
| Bitumen painting | ISO 8179-at least 70um |
| Gaskets type( ISO4633) | NBR rubber, natural rubber, SBR rubber, EPDM rubber ring |
| Size | DN 80 - 2,600 mm |
| Advantages | High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life time |
| inspection | Checked by automatic inspection equipment |
| Chemical composition (%): | C: 3.5 - 4.0;Si: 1.9 - 2.6;P: <0.06;Mn:0.15 - 0.45;S: <0.02 |
| Mechanical properties | Tensile strength: ≥420MPa |
| Yield strength: ≥300Mpa | |
| Hardness: ≤230HB | |
| Elongation%: DN80 - 1000 ≥10 DN1200 - 2200 ≥7 | |
| Process and testing: | Induction furnace and treated metallic (Chemical analysis of raw material, spheroidizing & Nodularity) |
| Casting (Visual check and weight check) | |
| Heat treatment (Micro structure) | |
| Hydrostatic test (Pressure test) | |
| Dimensional checks (Checking pipe length and joint, OD, wall thickness, appearance) | |
| Zinc spraying (Thickness testing) | |
| Lining and coating (100% visual check, thickness testing randomly) | |
| Marking and packing (100% visual check) | |
| pipe coating | pipe coating can be customized, such as, zinc-aluminum alloy, PU, etc. |
| DN | OD | thickness | weight | weight | Length | weight |
| mm | mm | kg/meter | kg/pcs | m/pcs | tonne/km | |
| DN80 | 98 | 6.0 | 12.2 | 76.5 | 6 | 12.77 |
| DN100 | 118 | 6.1 | 15.1 | 95 | 6 | 15.87 |
| DN150 | 170 | 6.3 | 22.8 | 144 | 6 | 20.15 |
| DN200 | 220 | 6.4 | 30.6 | 194 | 6 | 32.40 |
| DN250 | 274 | 6.8 | 40.2 | 255 | 6 | 42.59 |
| DN300 | 326 | 7.2 | 50.8 | 323 | 6 | 53.94 |
| DN350 | 378 | 7.7 | 63.24 | 403 | 6 | 67.30 |
| DN400 | 429 | 8 | 75.5 | 482 | 6 | 80.48 |
| DN450 | 480 | 8.6 | 89.3 | 575 | 6 | 95.86 |
| DN500 | 532 | 9.0 | 104.3 | 669 | 6 | 111.72 |
| DN600 | 635 | 9.9 | 137.3 | 882 | 6 | 147.29 |
| DN700 | 738 | 10. 8 | 173.9 | 1123 | 6 | 187.54 |
| DN800 | 842 | 11.74 | 215.2 | 1394 | 6 | 231.80 |
| DN900 | 945 | 12.6 | 260.2 | 1691 | 6 | 282.40 |
| DN1000 | 1048 | 13.5 | 309.3 | 2017 | 6 | 336.84 |
| DN1200 | 1255 | 15.3 | 420.14 | 2758 | 6 | 460.59 |
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