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K8 Ductile iron pipe
The ductile iron materia features similar mechanical properties with carbon steel such as highmechanical strength,good ductility,and the same anti-corrosion performance as cast iron.Therefore,it has gradually become the world's most safe and reliable pipes and fittings in the field of watersupply and drainage.
Keywords:
K8 Ductile iron pipe
Category:
Ductile iron pipe
Product Details
Ductile iron pipes refer to pipes that are cast by high-speed centrifugal casting using a centrifugal ductile iron machine after adding nodulizing agent to cast molten iron above No. 18. They are referred to as ductile iron pipes, ductile iron pipes and ductile cast pipes. It is mainly used for the transportation of tap water and is an ideal material for tap water pipelines.
Technical Specification of Ductile lron Pipes and Fittings
The ductile iron materia features similar mechanical properties with carbon steel such as highmechanical strength,good ductility,and the same anti-corrosion performance as cast iron. Thereforeit has gradually become the world’s most safe and reliable pipes and fittings in the field of watersupply and drainage. Sinuoer Casting Pipe Co., Ltd. provides ductile iron pipes and fittings ranging fromDN80mm-DN2600mmin accordance with ISO2531/EN545/598 or GB13295.
Product parameters
| Standard | Product | Nominal Diameter DN(mm) | Tensile Strength N/mm2 | Yield Strength N/mm2 | Elongation% | Hardness HB |
| ISO2531/EN545/GB13295 | Ductile lron Pipes | DN80-1000mm | ≥420 | ≥300 | 10 | ≤230 |
| DN1100-2600mm | ≥300 | 7 | ||||
| Ductile lron Fittings | DN80-2600mm | ≥420 | ≥300 | 5 | ≤250 |
Standard of Hydrostatic Testing Pressure (Class K9)
| Specification DN | Minimum pressure at K = 7 (MPa) | Minimum pressure at K = 8 (MPa) | Minimum pressure at K = 9 (MPa) | Minimum test pressure of class C pipe (MPa) Recommended pressure rating | Minimum test pressure of class C pipe (MPa) Pressure |
|---|---|---|---|---|---|
| DN80-DN300 | 3.2 | 4.0 | 5.0 | C40 | 4 |
| DN350-DN600 | 2.5 | 3.2 | 4.0 | C30 | 3 |
| DN700-DN1000 | 1.8 | 2.5 | 3.2 | C25 | 2.5 |
| DN1100-DN2000 | 1.3 | 1.8 | 2.5 | ||
| DN2200-DN2600 | 0.8 | 1.3 | 1.8 |
Transaction screenshot and Packing and shipping
Sinuoer Casting Pipe Co., Ltd.Specializing in the production of centrifugal ductile iron pipes and supporting fittings. The annual output of ductile iron pipe is 300,000 tons,
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Product advantage
Excellent mechanical properties
Spheroidizing treatment provides ductile iron with the excellent mechanical properties and also inherits the long- term service life of traditional gray cast iron.The perfect combination of elasticity and rigidity of ductile iron makes it unique in the field of water supply and drainage, and has been widely recognized for its excellent performance.
Perfect corrosion resistance
The main chemical components of ductile iron pipe are carbon, silicon, manganese, phosphorus, sulfur and magnesium, which are determined by their own material composition, and their resistance is large, so it is not easy to produce electric corrosion; After graphite becomes spherical, the compactness of the material is improved,and effectively prevents the invasion of external oxidizing gas, and further improves the corrosion resistance of ductile iron pipes，and the external corrosion protection of nodular cast iron pipe adopts zinc coating and bituminous coating,thus it can effectively prevent the electrochemical corrosion.In contact with soil, the metal zinc will gradually transform into a compact, cohesive and continuous zinc salt layer.
The contact pressure of sealing
Apron increases with the increase of internal water pressure, which makes the sealing effect better and less prone to water leakage. And has a certain range of angular deflection, which can well adapt to the settlement of the foundation and resist a certain earthquake environment.95% of the pipe material of water pipeline in developed European and American countries is made of ductile iron pipes
Convenient construction
Push in junction basically has little influence on rain and snow weather and the installation personnel can carry out the installation work with simple training,and it is easy to complete soil backfilling and compaction,which is suitable for long pipelines.
Long service life
Under appropriate conditions,the service life of ductile iron pipes can reach more than 100 years.
Packaging and shipping
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SINUOER CASTING PIPE
Sinuoer Casting Pipe Co., Ltd. specializes in the production of centrifugal ductile iron pipes and matching pipe fittings.
Contact us:
E-mail:ivan.li@snrcasting.com
WhatsApp: +86-15261689915
Tel:+86-15261689915
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