Reliable Ductile Iron Pipeline for Water Supply, Municipal & Infrastructure Projects
Outstanding Structural Strength and Wear‑Resistant Performance
Outperforming conventional grey cast‑iron tubing in tensile property and shock tolerance, our ductile iron pipes hold up well under heavy‑buried ground loads for underground works.
Reliable Anti‑Corrosion Performance
Multiple surface treatment selections including outer zinc plating, epoxy finishes and cement‑mortar inner linings are on offer. These tailored safeguards keep pipes stable amid varied soil compositions and complex surroundings.
Extended Working Lifespan
Proper surface protection plus standard‑compliant mounting lets ductile‑iron pipelines run steadily for decades. Routine upkeep expenses stay minimal throughout usage cycles.
Straightforward On‑Site Assembly
Flexible push‑fit sockets and mechanical‑type connectors speed up field fitting. It effectively cuts down construction cycles and onsite labor spending.
✔ Manufactured Following Global Specifications
All our ductile iron pipeline satisfy ISO 2531, EN 545 and EN 598 industry‑wide standards.
✔ Tailored‑Made Service
We supply a broad selection of bore sizes, pressure grades, joint configurations and anti‑corrosion coating schemes.
✔ Rigorous‑run Quality Oversight
Hydrostatic pressure checks, dimension calibration and raw‑material analysis are implemented to guarantee dependable field‑use performance.
✔ One‑stop Export Support
We prepare full sets of shipping paperwork such as material test certificates, inspection records and packing documents.
✔ Rich Overseas Project Supply Know‑how
We serve overseas wholesalers, construction contractors and large‑scale civil‑infrastructure assignments across the globe.
Ductile Iron Pipe Factory|ISO 2531 & EN545 Certified Pipeline Provider
Royal Steel Group-cast iron pipe manufacturer, delivers premium‑grade ductile iron pipes tailored for potable‑water networks, sewer installations and civil‑infrastructure builds. All goods conform to ISO 2531 and EN545 norms. We support bespoke dimension adjustments, surface finishing solutions and worldwide shipment services.
| Item | Details |
| Product Name | Ductile Cast Iron Pipe / Ductile Iron Pipe |
| Material | Ductile Cast Iron (Ductile Iron) |
| Standards | ISO 2531 / EN 545 / EN 598 |
| Diameter Range | DN80 – DN2000 (Customized Available) |
| Length | Standard 6m, Customized Length Available |
| Pressure Class | C25 – C100 / Customized |
| Pipe Type | T-Type Push-On Joint, Flanged Joint, Mechanical Joint |
| Coating | Zinc Coating + Bitumen/Epoxy Coating |
| Internal Lining | Cement Mortar Lining / Epoxy Lining |
| Applications | Water Supply, Sewage, Industrial Pipeline |
Zinc Coat With Top Finish
This composite surface treatment boosts underground anti‑corrosion capacity for buried pipeline layouts.
Cement‑Mortar Inner Lining
The internal mortar lining optimizes water flow efficiency while shielding the pipe inner wall from abrasion and erosion.
Epoxy Surface Treatment
Epoxy‑based covering stands up to harsh surroundings and works perfectly for industrial pipeline assignments.
Municipal Potable‑Water Networks
Our dependable piping solutions carry drinking‑water flows and support varied urban public‑works builds.
Sewer and Wastewater Disposal
Well‑suited for urban drainage layouts and long‑distance sewage transfer assignments.
Industrial‑Grade Pipeline Works
Ideal for circulating factory process water, medium delivery and factory auxiliary piping setups.
Fire‑Fighting Water Infrastructure
Great pressure‑bearing capacity fits large‑scale municipal fire‑service water piping networks.
Civil Construction Developments
Frequently deployed for highway, bridge, residential zone and comprehensive urban‑construction initiatives
Raw‑material Screening
We source premium‑grade spheroidal graphite cast iron. Strict checks keep its chemical makeup and mechanical attributes consistent.
Centrifugal Casting Process
Modern centrifugal casting techniques create finished pipes with even wall thickness and sturdy structural integrity.
Thermal Processing and Quality Checks
Every tube goes through heat treatment, dimension verification, hydrostatic pressure tests and mechanical‑property assessments.
Custom Anti‑Corrosion Surface Treatment
Protective coatings are applied based on onsite‑project specifications to prolong the pipeline’s working lifespan.
Final‑stage Audit and Packaging
Comprehensive pre‑shipment examinations are carried out for every pipe, making certain all products meet global manufacturing benchmarks.
Steel straps fasten every bundle to secure goods throughout transit
Detachable end caps shield pipe openings against scratches and debris
Our packages adapt well to container‑loaded cargo and bulk ocean shipments
Packaging plans can be adjusted based on your destination’s shipping demands
Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)
Q1. Which specifications govern your ductile iron pipes?
A. Our production adheres to widely‑recognized international benchmarks covering ISO 2531, EN 545 and EN 598.
Q2. What range of pipe inner diameters can you provide?
A. Stock sizes span DN80 to DN2000. Non‑standard dimensions can be arranged to match your project specifications.
Q3. What surface‑protection treatments can I pick from?
A. Zinc outer coats, bitumen finishes, epoxy covering and cement‑mortar inner liners are offered to fit diverse working conditions.
Q4. Can these pipes be buried for underground layouts?
A. Absolutely. High mechanical robustness, solid anti‑corrosion traits and long operational life render them perfect for buried drinking‑water and sewer pipelines.
ROYAL GROUP
Address
Kangsheng development industry zone,
Wuqing district, Tianjin city, China.
Phone
Hours
Monday-Sunday: 24-hour Service












