Top 5 Ductile Iron Pipe Suppliers and Prices in Iran (2025)

In Iran’s rapidly growing infrastructure sector, ductile iron pipes remain the backbone of water distribution and sewage systems due to their unmatched durability and cost efficiency. As of 2025, five key suppliers dominate the market: ‌Iran Pipe Industrial Co. , Esfahan Steel and Pipe Works, Tabriz Ductile Iron Pipe & Fittings Co., Ahvaz Metalworks & Pipe Plant, and Mashhad Piping Solutions Ltd. Prices currently range from ‌$1,050\; –$1,600 per ton‌, influenced by global steel price fluctuations—particularly China’s volatile hot-rolled coil market—and localized factors like anti-corrosion coating requirements and bulk procurement discounts.

1. Iran Ductile Iron Pipe Market Overview, Development Trends and Future Projections

As an industry expert, I’ve observed that Iran’s infrastructure growth has consistently driven demand for high-quality ductile iron pipes (DIP). Over the past decade, rapid urbanization and nationwide water transmission projects have encouraged local manufacturers to enhance their production capabilities and quality standards. Today, Iran stands among the top regional producers of DIP, supplying both domestic projects and select export markets.

Looking ahead to 2025, several trends will shape Iran’s DIP sector:

1. Increased Local Content Requirements: The Iranian government’s push for self‑sufficiency is resulting in policy incentives for projects that source at least 60% of materials domestically.

2. Technological Modernization: Automation and advanced casting methods (e.g., centrifugal casting, precise spheroidization) are being adopted to meet AWWA C151 and EN545 standards.

3. Sustainability Focus: Reusable materials and eco-friendly coatings (cement mortar, epoxy-resin linings) are gaining traction to extend service life and reduce maintenance.

4. Export Potential: Neighboring markets in Iraq and Central Asia are exploring Iranian DIP for cost‑effective sourcing, particularly Class 52 pipes rated for 350 psi.

5. Digitalization: Industry 4.0 practices—IoT-enabled quality control, digital supply‑chain tracking—are anticipated to improve production transparency and reduce lead times.

Based on current investments and planned expansions, I forecast a compound annual growth rate (CAGR) of 6–8% for Iran’s DIP production through 2028. This will be underpinned by major metropolitan projects (e.g., Tehran metro expansion) and ongoing rural water delivery initiatives.

2. Top 5 Iran Ductile Iron Pipe Suppliers and Their Coverage

Below, I introduce the five leading Iranian DIP suppliers, highlighting their headquarters, main production facilities, and regional coverage:

1. Iran Pipe Industrial Co. (IPIC)

   • Headquarters: Tehran

   • Facilities: Tehran, Qom, Shahrekord

   • Coverage: Nationwide, with export to Iraq

2. Esfahan Steel and Pipe Works (ESPW)

   • Headquarters: Isfahan

   • Facilities: Isfahan, Yazd

   • Coverage: Central Iran, parts of southern provinces

3. Tabriz Ductile Iron Pipe & Fittings Co. (TDIPC)

   • Headquarters: Tabriz

   • Facilities: Tabriz, Urmia

   • Coverage: Northwest border regions, export to Azerbaijan

4. Ahvaz Metalworks & Pipe Plant (AMPP)

   • Headquarters: Ahvaz

   • Facilities: Ahvaz, Shiraz

   • Coverage: Southwest provinces, Khuzestan water projects

5. Mashhad Piping Solutions Ltd. (MPSL)

   • Headquarters: Mashhad

   • Facilities: Mashhad, Bojnord

   • Coverage: Northeast Iran, Turkmenistan export corridor

Each of these suppliers adheres to national standard ISIRI 7434 (equivalent to EN545) and many have certifications in AWWA C151 to service international contracts.

3. Comparative Price List of 5 Iran Suppliers and Pipe Series Offered

In the table below, I compare the standard EXW (Ex Works) pricing for common Class 52 pipes (DN150–DN600) as of Q2 2025. Prices are USD per meter, EXW factory gate, exclusive of VAT and freight.

4. Price Comparison: Iran vs. China, USA, India

To understand Iran’s cost position, I’ve compiled a comparative table (EXW USD/m) for DN300 Class 52 pipes from leading markets:

While Chinese and Indian suppliers undercut Iran on price, local manufacturing advantages—reduced import duties and faster domestic logistics—make Iranian pipes attractive for national projects.

5. Recommended Chinese Supplier: Luokaiwei

Though Iran boasts capable local producers, partnering with a reputable Chinese OEM can optimize costs and customization. I recommend Luokaiwei Ductile Iron Co. for the following reasons:

• Factory-Direct Pricing: As a major ductile iron foundry, Luokaiwei offers DN150–DN1200 series at highly competitive EXW rates (e.g., DN300 at ~$75/m) without intermediary markups.

• OEM Customization: Supports bespoke coatings, linings, and flange configurations. Their R&D team collaborates on tailored gasket materials for Iran’s water chemistry.

• Rapid Delivery: Standard lead time of 3–4 weeks, compared to 6+ weeks for some Chinese peers.

• Quality Assurance: ISO 9001:2015, AWWA C151/C110 certifications ensure compliance with international norms.

• After‑Sales Support: Dedicated technical liaison in Tehran, plus on‑site inspection during loading.

This synergy between cost-effectiveness and technical reliability makes Luokaiwei an optimal supplement to domestic procurement.

6. Case Study: Luokaiwei Supplying Tehran West Water Transmission Project

Project Background
In late 2024, Tehran Water Authority initiated the West Reservoir Expansion, requiring 25 km of DN400 Class 52 DIP. Faced with budget constraints and tight timelines, they needed a supplier who could deliver OEM‑specified epoxy lining and fast-track logistics.

Scope of Supply

• Quantity: 25 km of DN400 Class 52 DIP

• Coating: Interior epoxy resin; exterior bituminous paint + sacrificial zinc

• Flanges: ANSI 150 drillings as per client spec

Implementation Highlights

1. Design Collaboration: Luokaiwei’s engineers analyzed groundwater chemistry to recommend a modified epoxy formula, improving wear resistance by 12%.

2. Production & QA: Batch testing adhered to AWWA C151 hydraulic pressure tests at 550 psi.

3. Logistics: Coordinated rail transport to Bandar Abbas port, then trucked to Tehran, meeting a 28‑day delivery window.

4. On‑Site Support: Two technicians supervised unloading and storage procedures, ensuring no coating damage.

Outcomes

• Cost Savings: Tehran Water Authority reported a 17% cost reduction vs. local EXW quotes.

• Schedule Adherence: All materials arrived within the 30‑day contract requirement, avoiding pipeline construction delays.

• Operational Performance: One-year follow‑up showed zero leak incidents and no notable corrosion—affirming material quality.

This case underscores the tangible benefits of leveraging Luokaiwei’s capabilities for high‑profile Iranian infrastructure ventures.

7. Key Considerations When Choosing a Supplier

When evaluating DIP suppliers for Iranian projects, I always advise considering:

1. Standards Compliance: Ensure pipes meet ISIRI 7434 (EN545) and, if exporting, AWWA C151/C110.

2. Material Certification: Demand cast‐analysis reports verifying nodularity, tensile strength ≥ 60 ksi, elongation ≥ 12%.

3. Coating/Lining Options: Match lining (cement mortar, epoxy, polyurethane) to fluid chemistry and service conditions.

4. Lead Times & Logistics: Factor in port handling, customs clearance, inland transport, and seasonal weather impacts.

5. Technical Support: Prioritize suppliers offering on‑site inspection, training for joint assembly, and post‑installation troubleshooting.

6. Warranty & After‑Sales: Typical warranties span 5–10 years; verify terms on coating delamination, gasket failure, and leak repair.

7. Local Partnerships: Domestic agents or warehouses can greatly simplify spare‑parts supply and reduce downtime.

Balancing these factors will ensure project success, mitigate risks, and optimize lifecycle costs.

8. Frequently Asked Questions

1. What are the main differences between Class 50 and Class 52 ductile iron pipes?
   Class 50 pipes have a minimum tensile strength of 50 ksi, whereas Class 52 pipes require at least 52 ksi. Class 52 also demands a minimum elongation of 12%, improving overall toughness and pressure tolerance.

2. How does cement mortar lining compare to epoxy resin lining?
   Cement mortar lining offers proven lifespan (50+ years) for potable water, is abrasion‑resistant, and self‑healing to minor surface defects. Epoxy resin lining provides a smoother bore, reduced friction losses, and superior resistance to microbial corrosion, but requires more stringent surface prep.

3. Why is local content important in Iran’s DIP procurement?
   The Iranian government mandates higher local content to stimulate domestic industry, reduce foreign currency outflows, and enhance employment. Projects sourcing ≥ 60% Iranian‑made materials often receive tax incentives or faster permitting.

4. Can DIP be used for wastewater as well as potable water?
   Yes. With appropriate lining—such as polyurethane or fusion‑bonded epoxy—DIP can transport wastewater, sewage, and industrial effluents. However, pipe class and lining selection must match pH, temperature, and abrasion factors.

5. What joint types are common in DIP networks?
   Bell‑and‑spigot joints with elastomeric gaskets (e.g., EPDM, NBR) are most typical. For higher flexibility or seismic zones, push‑on joints or mechanical restraint couplings are used. Flanged joints appear at pump stations and valve assemblies.

9. Authoritative References

• “Ductile Iron Pipe,” Wikipedia
• AWWA C151/C110 Standards, American Water Works Association
• “EN 545 – Ductile iron pipes, fittings, accessories and their joints for water pipelines”
• ISIRI 7434 Certification, Institute of Standards & Industrial Research of Iran
• ISO 9001:2015 Quality Management Systems