What are the available steel grades?

Q235B, A36, Q345B, Q345C, Q345D, Q345E, Q355B, Q355C, Q355D, SA516 Gr.70.

What are the standard lengths available?

Standard lengths are 6m, 9m, and 12m, or customized lengths are available.

What is the delivery time for special sizes?

Special sizes will be delivered within 30 working days.

Can third-party inspection be arranged before shipment?

Accept SGS, BV or other authorized third-party witness inspection.

What is service life of ISO2531 ductile iron pipe?

Normally 50-100 years under proper buried working environment.

Can it resist ground slight settlement?

Flexible socket joint absorbs minor ground deformation to avoid leakage.

Large Diameter Ductile Cast Iron Pipe for Water Conveyance Engineering

Name: Large Diameter Ductile Cast Iron Pipe for Water Conveyance Engineering
Brand: Tianjin Zengze Steel Trading Co., Ltd.
SKU: 1952953625

Tianjin, ChinaTianjin Zengze Steel Trading Co., Ltd.

US$860.00

2-9 Tons

US$840.00

10-19 Tons

US$820.00

20-49 Tons

US$780.00

50-99 Tons

US$750.00

100+ Tons

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Quality Objection Within 10 Days Since Receiving

Warranty

Quality Object Within 10 Days Since Receiving

Model NO.

ZZ-I-043

Type

Ductile Iron Pipes

Usage

Water Supply, Gas Supply, Oil Pipe

Joint Type

Rigid Joint

Section Shape

Round

Certification

ISO2531, EN545, EN598, ISO4179, ISO8179

Shape

Round

Customized

Gasket Material

Standard Length

6 Meters Per Piece, Customizable Length

Wall Thickness Grade

K7, K8, K9, C25, C30, C40

Production Process

High Speed Centrifugal Integral Casting

Connection Type

T-Socket, Flange, Self-Anchored Joint

Inner Anti-Corrosion

High Strength Cement Mortar Lining

Outer Anti-Corrosion

Zinc Spray Coating Plus Asphalt Paint

Tensile Strength

Minimum 420MPa High Strength

MOQ

1ton

Elongation Rate

≥10% Excellent Ductility Performanc

Wall Hardness

Pipe Wall Hardness ≤230hb

Bearing Capacity

High Pressure Resistant and Explosion Proof

Sealing Parts

Aging Resistant Natural Rubber Sealing Ring

Surface

Hot Rolled Surface or Galvanized

Supporting Fittings

Full Set of Ductile Iron Pipe Fittings

Product Features

Tough, Leakproof, Corrosion and Scale Resistant

Transport Package

Standard Package

Specification

standard size

Trademark

Zengze

Origin

China

HS Code

7216321000

Production Capacity

5000tons Per Month

Key features

Large-bore design for long-distance bulk water conveyance, covers DN1200-DN2600 large diameter range

High-grade GGG50/QT500-7 ductile iron with spherical graphite structure, high toughness and impact resistance

Manufactured to ISO2531 & GB/T13295-2019 standards, meets strict water conveyance project acceptance requirements

Heavy-duty K9 / C40 wall thickness grades, sufficient safety margin for large-flow underground transmission

Flexible T-type socket-spigot joint with heavy-duty rubber gasket, tolerates foundation settlement and prevents leakage

Dual anti-corrosion system: inner cement mortar lining, outer zinc-spray plus asphalt coating for long-term burial

Multiple pressure ratings PN10-PN25, suitable for long-distance water conveyance main pipeline

Standard 6m length, custom cutting available, complete large-size supporting ductile iron pipe fittings supplied

Full-range factory inspection including hydrostatic test, MTC 3.1 material test certificate available

Long service life 50-100 years, low maintenance cost for large-scale water conveyance projects

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery

Tianjin Zengze Steel Trading Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 17 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.96h CertifiedTerms of Payment: LC, T/T, D/P, etc.

About Our Factory & Business Background

AddressBeichen District Beicang Way Names Material, Tianjin, China

Plant Area50 square meters

Number of Employees2

Registered Capital5,000,000 RMB

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity100 Kg

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsSteel And Laser Cladding Machine

R&D Engineers1 people

Our Industry Experience & Global Business Record

Year of Establishment2007-12-11

Main MarketsEurope, Domestic, Asia

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff1

Overseas Agent/BranchNo

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:Who are we?

Tianjin Zengze Steel established in 2007, Zengze Steel has developed into a large-scaled enterprise, located in the city of Tianjin, which is the largest artificial harbor in north China.

Q:How can you guarantee quality?

Always a pre-production sample before mass production; Always final Inspection before shipment;

Q:What can you buy from us?

Stainless steel, Carbon steel, Galvanized, PPGI, PPGL

Q:Why should you buy from us not from other suppliers?

Our company are specialized in steel field for over more than 14 years

Q:What is your terms of payment?

30% T/T in advance ,balance before shippment by T/T or L/C