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Ductile iron pipe
Ductile iron pipes from Goodmax International Group Ltd are manufactured using centrifugal casting methods to produce pressure-rated pipelines for water and sewage systems. The material is spheroidal graphite iron with a minimum tensile strength of 420 MPa and elongation of 10%, conforming to ISO 2531 and EN 545. These pipes are designed for buried infrastructure and are available in nominal diameters from DN80 to DN2000.
The internal surface is lined with cement mortar per ISO 4179, and the external surface is coated with zinc and bitumen to resist soil corrosion. Wall thicknesses follow ISO 2531 Class K9 or K12, depending on pressure requirements. Unlike gray iron, ductile iron’s microstructure provides flexibility under ground movement, reducing the risk of fracture in seismic zones or unstable soils.
These pipes are sourced by municipal water authorities, infrastructure contractors, and engineering firms in Africa, Southeast Asia, and Latin America. Trade terms are typically FOB Qingdao or CIF destination port, with bulk shipment in steel banding and wooden cradles. Minimum order quantities are flexible and depend on diameter and length. Buyers should specify coating type, joint type, and pressure class at order stage.
| Material | Ductile iron (spheroidal graphite iron) |
| Standard | ISO 2531, EN 545 |
| Nominal Diameter Range | DN80 to DN2000 (standard production range) |
| Wall Thickness Class | K9 or K12 (typical for pressure applications) |
| Internal Lining | Cement mortar, ISO 4179 compliant (typical for potable water) |
| External Coating | Zinc spray + bitumen coating (standard for soil corrosion protection) |
| Tensile Strength | Minimum 420 MPa (typical for ductile iron pipe) |
| Elongation | Minimum 10% (typical for ISO 2531 compliant pipe) |
| Pressure Rating | PN10 to PN16 (typical for Class K9/K12 pipe) |
| Length per Section | 5.5 meters or 6 meters (standard length for centrifugal cast pipe) |
Goodmax International Group Ltd is based in Wuhan, Hubei Province, China, and operates as an imported-tier supplier with no disclosed production capacity, workforce size, or years in business. The listing shows no response rate or average response time, indicating limited buyer engagement. No certifications, client references, or factory audits are stated in the source data.
The company appears to focus on exporting standard ductile iron pipes and fittings without claims of proprietary technology or in-house testing facilities. No information is provided about quality control procedures, R&D, or custom manufacturing capabilities. Buyers must treat all specifications as typical industry values and confirm critical parameters directly with the supplier before ordering.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Sourcing Ductile Iron Pipe from Goodmax International Group Ltd - China Import Guide
Before ordering, confirm the pipe class (K9 or K12), lining thickness, and coating type. Request material test reports for tensile strength, elongation, and graphite spheroidicity. Verify joint type and pressure rating against local standards. Do not rely on supplier claims without independent documentation, especially for critical infrastructure projects.
Logistics are typically FOB Qingdao port, with lead times of 30 to 50 days depending on order size. Pipes are packed in steel banding and wooden cradles to prevent damage. Incoterms can be negotiated to CIF or DAP, but buyers must clarify insurance coverage and import duties. Payment terms are commonly 30% advance, 70% against shipping documents.
Quality inspection should include visual checks for coating defects, dimensional verification of diameter and wall thickness, and joint seal integrity tests. Request batch test reports for tensile strength, elongation, and coating weight. Ensure the supplier provides a certificate of conformity, packing list, and commercial invoice. Reject shipments with missing documentation or visible surface damage.
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30 suppliersBuy & Import Ductile Iron Pipe — Wholesale Supply from China
Securing a reliable supply chain for Ductile Iron Pipe is critical for maintaining your business operations. Goodmax International Group Ltd, a supplier located in China, provides high-quality Ductile Iron Pipe ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Iron Pipes industry, catering to distributors, wholesalers, and importers worldwide.
Request Wholesale Pricing & Bulk Trade Terms
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Ductile Iron Pipe from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with Goodmax International Group Ltd. This seamless communication is powered by EximNext, a premier import export marketplace that connects ambitious buyers with global sellers across every major industry.
About Goodmax International Group Ltd — Supplier in China
We understand that verifying supplier credentials is a top priority for importers. Goodmax International Group Ltd is part of our extensive network of vetted international exporters. Browse more products in the Iron Pipes category or discover new suppliers across the Iron Pipes sector. Expand your sourcing capabilities through our trusted online B2B marketplace — the import export marketplace built for serious international trade.
International Shipping & Import Guidelines for Ductile Iron Pipe
When importing Ductile Iron Pipe from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Frequently Asked Questions About Ductile Iron Pipe
How can I get the wholesale price for Ductile Iron Pipe?
Click the "Request Quotation" button to contact Goodmax International Group Ltd directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Can I buy Ductile Iron Pipe in bulk from China?
Yes, Goodmax International Group Ltd provides Ductile Iron Pipe for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
What shipping terms are available for this product?
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with Goodmax International Group Ltd. Contact the supplier to discuss the best logistics options for importing Ductile Iron Pipe to your country.
How do I request a sample of Ductile Iron Pipe?
Send a direct message to Goodmax International Group Ltd through our platform to request a product sample before committing to a large wholesale order.
Is it safe to source products from this supplier?
Goodmax International Group Ltd is a registered supplier on EximNext. Check the company profile and documents before ordering, and use our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
What specifications should I ask for when importing Ductile Iron Pipe?
Request a detailed product data sheet including grade, purity, dimensions, material composition, and applicable industry standards from Goodmax International Group Ltd.
Does Goodmax International Group Ltd offer custom packaging or private labeling?
Many suppliers on EximNext, including Goodmax International Group Ltd, offer custom packaging and private label options for bulk wholesale orders.
What payment methods are accepted for international orders?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services.
Can I find more Iron Pipes suppliers on EximNext?
Yes, EximNext hosts a wide network of Iron Pipes manufacturers, exporters, and wholesalers across 200+ countries.
How do I contact Goodmax International Group Ltd for a bulk trade inquiry?
Click "Request Quotation" or "Contact Supplier" on this page. Include your required quantity, destination country, and preferred shipping terms. All communications are managed securely through our import export marketplace.
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