Bao Steel (Qingdao) Co., Ltd.

Ductile Iron Pipe · Water Supply · Drainage · Municipal Pipeline · Supplementary Pipe Supply

Ductile Iron Pipe Supplier

Ductile iron pipe is supplied as a supplementary pipe product for water supply, drainage, municipal pipeline and infrastructure projects. You can send project drawings, BOQ, DN size, pressure class, joint type, lining, coating, accessory requirement and destination details for quotation review.

Socket Pipe Flanged Pipe Cement Lined Pipe Project Supply ISO 2531 / EN 545 / EN 598 / AWWA C151
Product Entry

Choose the Ductile Iron Pipe Type You Need

Your quotation should begin with pipe type, standard, DN size, pressure class, joint type, lining, coating and project use. Clear drawings or a BOQ help reduce repeated specification checks before pricing.

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Socket

Socket Ductile Iron Pipe

You can choose socket ductile iron pipe for water supply, drainage, municipal pipeline and underground infrastructure projects.

Confirm before quote: DN size, pressure class, joint type, pipe length, gasket and coating requirement
  • Suitable for push-on rubber gasket joint systems
  • Commonly used in water transmission and municipal pipeline projects
  • Project standard and pressure class should be confirmed clearly
Send Socket Pipe Specs →
Flanged

Flanged Ductile Iron Pipe

You can use flanged ductile iron pipe for pump stations, valves, equipment connections and pipeline sections requiring bolted connection.

Confirm before quote: flange standard, pressure rating, bolt holes, length, lining and coating
  • Suitable for pump station and valve chamber connections
  • Project drawings are recommended for accurate quotation
  • Flange details must match the connection equipment
Send Flanged Pipe Specs →
Lining

Cement Lined Ductile Iron Pipe

You can request cement mortar lining when the project requires internal surface protection for potable water or water transmission use.

Confirm before quote: lining type, lining thickness, external coating and project acceptance standard
  • Common for water supply and water transmission projects
  • Internal lining and external coating should follow project documents
  • Coating and lining inspection details can be discussed before shipment
Send Lined Pipe Specs →
Project

Project Ductile Iron Pipe Supply

You can send a BOQ or drawing list when your project includes multiple DN sizes, fittings, gaskets, flanges or accessories.

Confirm before quote: standard, DN list, quantity, accessories, inspection documents and destination
  • Suitable for water supply, drainage and municipal infrastructure projects
  • Multi-size inquiry review and shipment coordination can be discussed
  • Documents, marking and loading photos can be arranged by order
Send Project Pipe List →
RFQ Details

What You Should Confirm Before Ductile Iron Pipe Quotation

Ductile iron pipe quotation must follow project documents. DN size, pressure class, joint type, lining, external coating, accessories and inspection requirements should be confirmed before price calculation.

Core Project Specification Details

  • Product TypeSocket ductile iron pipe, flanged ductile iron pipe, cement lined pipe or project pipe supply
  • StandardISO 2531, EN 545, EN 598, AWWA C151 or project-specified standard
  • Nominal DiameterDN size list, pipe length, quantity and project schedule
  • Pressure ClassK class, C class, pressure rating or project-specified pressure requirement
  • Joint TypePush-on socket joint, mechanical joint, flanged joint or project-specified connection type
  • AccessoriesRubber gasket, flange, bolts, fittings or other accessories if required

Lining, Coating and Export Details

  • Internal LiningCement mortar lining, epoxy lining or buyer-specified lining requirement
  • External CoatingZinc plus bitumen, bitumen coating, epoxy coating, PE sleeve or project-specified protection
  • ApplicationWater supply, drainage, municipal pipeline, underground pipeline or infrastructure project
  • InspectionDimension check, coating check, lining check, marking check and packing inspection
  • DocumentsInspection certificate, quality documents, packing list, commercial invoice and certificate of origin
  • DestinationDestination country or port, trade term and shipment schedule
Standards

Common Standards for Ductile Iron Pipe Projects

Final standard selection should follow your project specification, local engineering requirement, pressure class, joint system, water quality and installation environment.

ISO 2531

Common reference for ductile iron pipes, fittings and accessories used in pressure pipeline systems.

EN 545

Commonly used for ductile iron pipe systems for water pipelines, especially in European-related project specifications.

EN 598

Common reference for ductile iron pipe systems used in sewerage and drainage applications.

AWWA C151

Often referenced for ductile iron pipe requirements in water transmission and distribution projects.

Lining, Inspection and Shipment

Confirm Lining, Marking, Inspection and Export Loading Before Shipment

You can review lining condition, external coating, pipe marking, gasket compatibility, inspection details and loading protection before confirming shipment. These details are important for installation, project acceptance and site delivery.

Send Project Specs
Lining

Cement Mortar Lining

You can confirm internal lining condition, pipe end lining details, coating compatibility and project acceptance requirements before delivery.

Inspection

Pipe Marking and Inspection

You can check DN size, pressure class, standard marking, coating condition, inspection records and project labels before shipment.

Loading

Export Loading and Protection

You can confirm pipe loading method, wooden dunnage, pipe protection, accessory packing, shipping marks and loading photos.

Applications

Common Applications of Ductile Iron Pipe

Ductile iron pipe is mainly used in water and municipal infrastructure projects where strength, pressure performance, joint reliability and corrosion protection are important.

Water Supply Projects

You can use ductile iron pipe for potable water transmission, municipal water distribution and water treatment plant pipeline systems.

Drainage and Sewerage

You can select ductile iron pipe for drainage, sewerage and wastewater pipeline projects when required by project standards.

Municipal Pipeline

You can use ductile iron pipe for urban infrastructure, pipeline replacement, underground utility pipelines and municipal engineering projects.

Pump Station Connections

You can request flanged pipe sections for valves, pump stations, pressure equipment interfaces and connection areas.

Buyer Support

Project Specification Review, Lining, Coating and Export Support

Ductile iron pipe orders usually require project documents, pressure class review, lining and coating details, inspection records and shipment coordination before final order.

Project Specification Review

You can send DN size, pressure class, standard, joint type, lining, coating and accessory requirements from project documents.

Lining and Coating Support

You can confirm cement mortar lining, zinc plus bitumen coating, epoxy coating or buyer-specified protection.

Inspection Documents

You can request quality documents, inspection certificate, packing list, commercial invoice, certificate of origin and loading records.

Export Loading Support

You can confirm pipe loading, protection, accessories packing, shipping marks, loading photos and shipment coordination.

FAQs

Common Questions from Ductile Iron Pipe Buyers

What information should I send for a ductile iron pipe quotation?

You should send standard, DN size, pressure class, pipe length, joint type, lining, coating, quantity, accessories, inspection requirements, destination and project schedule. Drawings or BOQ are recommended.

Can you supply socket and flanged ductile iron pipe?

Yes. Socket ductile iron pipe and flanged ductile iron pipe can be discussed according to project specification, pressure class, joint type and quantity.

What lining and coating options are commonly required?

Cement mortar lining is common for water supply projects. External coating may include zinc plus bitumen, bitumen coating, epoxy coating or buyer-specified protection according to project requirements.

Which standards can be discussed?

Common references include ISO 2531, EN 545, EN 598 and AWWA C151. Final quotation should follow the project documents and local engineering requirements.

Is ductile iron pipe your main product?

No. Our main product direction remains steel products. Ductile iron pipe is supplied as a supplementary pipe category for water supply, drainage and municipal infrastructure projects.

Related Products

Related Steel Pipe and Project Supply Pages

If you are comparing pipe products or checking project supply options, these pages can help you enter the main steel pipe and export support sections faster.

Request Quote

Send Your Ductile Iron Pipe Inquiry

Send standard, DN size, pressure class, joint type, lining, coating, pipe length, quantity, accessories, inspection requirements and destination details. Project drawings or BOQ will help us review the quotation more accurately.

Direct Contact

WhatsApp: +86 19026837868
Company: Bao Steel (Qingdao) Co., Ltd.

For Faster Quotation, Please Include

  • Standard: ISO 2531, EN 545, EN 598, AWWA C151 or project specification.
  • DN size, pressure class, pipe length, joint type and required quantity.
  • Lining, coating, accessories, gasket, flange or fitting requirements.
  • Destination country or port, inspection documents and shipment schedule.

Document Support

  • Quality certificate
  • Inspection report
  • Packing list
  • Commercial invoice
  • Certificate of origin
  • Coating record
  • Loading photos
  • Shipping marks

Steel Inquiry Form

Send this form for ductile iron pipe, steel pipe, galvanized pipe, stainless pipe and other steel product inquiries.

    WhatsApp +86 19026837868 Email Us manager2@zgbgmetal.com