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Ductile Cast Iron Pipe Fittings
These ductile cast iron pipe fittings are manufactured from GGG 40 ductile cast iron, equivalent to EN-GJS-400-15 and ASTM A536 60-42-10, with a spheroidal graphite microstructure that enhances tensile strength and impact resistance compared to gray iron. The fittings are designed for flanged connections and comply with ISO 2531 and EN 545 standards, ensuring dimensional consistency and pressure integrity for water and sewage systems. All products are produced in-house at the Qingdao facility using sand casting and heat treatment processes verified for repeatable mechanical properties.
The material composition typically includes 3.2% to 3.8% carbon, 2.0% to 2.8% silicon, and trace magnesium for graphite nodulization. Wall thicknesses follow standard tolerances per ISO 2531, with pressure ratings up to PN10 and PN16 depending on size. Surface finish is typically cleaned of sand and scale, with internal and external coatings applied as standard: cement mortar lining for water contact and bituminous paint for external corrosion protection. These are not decorative fittings but engineered components for pressurized fluid transport under ground or in conduits.
Primary buyers include municipal utilities in Southeast Asia, the Middle East, and Eastern Europe that require durable, corrosion-resistant infrastructure for potable water and wastewater networks. Orders are typically placed in container loads of 20ft or 40ft, with minimum order quantities negotiated per project size. Packaging is in wooden crates or bulk pallets with protective wrapping, and export documentation includes mill test reports, material certificates, and packing lists. Lead times are typically 30 to 45 days after deposit confirmation.
| Material | GGG 40 ductile cast iron (EN-GJS-400-15, ASTM A536 60-42-10) |
| Pressure Rating | PN10 and PN16, per ISO 2531 |
| Tensile Strength | Minimum 400 MPa, typical elongation 15% |
| Graphite Structure | Spheroidal, per EN 1563 requirements |
| Internal Lining | Cement mortar lining, standard for potable water applications |
| External Coating | Bituminous paint, typical for underground exposure |
| Connection Type | Flanged, with bolt hole patterns conforming to ISO 2531 |
| Size Range | DN50 to DN1200, typical for municipal systems |
| Certification Standard | Complies with ISO 2531 and EN 545; no third-party certification claimed |
| Surface Preparation | Sandblasted to remove casting scale; no painting or plating beyond standard coatings |
Qingdao Valtech Manufacturing Co., Ltd. is a producer of ductile iron pipe fittings based in Jihongtan Town, Chengyang District, Qingdao, Shandong Province. The company has operated in this location for at least 15 years, as stated in supplier communications, and focuses exclusively on cast iron fittings for water and sewage infrastructure. No claims are made about company size, revenue, or export volume beyond the capacity implied by container-level shipments. The supplier's trust tier is listed as 'harbor', indicating verified physical presence and logistics capability in a major port region.
The listing does not confirm certifications such as ISO 9001, third-party inspection reports, or client references. There is no indication of engineering staff, R&D capacity, or in-house testing labs. Response rate and average response time are not recorded, suggesting limited or no active sales support on the platform. Buyers should treat this as a manufacturer-direct sourcing option with documented production experience but no public verification beyond location and product alignment.
Manufactured from GGG 40 ductile cast iron with spheroidal graphite structure for superior strength and flexibility. These flanged ductile iron pipe fittings conform to ISO 2531 and EN 545 standards, widely used in municipal water supply, sewage systems, and industrial fluid transmission. China manufacturer with 15 years of production experience offering competitive pricing for container-load export orders.
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Sourcing Ductile Cast Iron Pipe Fittings from Qingdao Valtech Manufacturing Co., Ltd. - China Import Guide
Before placing an order, verify the material certification matches EN-GJS-400-15 or ASTM A536 60-42-10, and request a copy of the mill test report for each batch. Confirm the internal cement lining thickness and external coating type, as these directly affect service life in water and soil conditions. Do not accept fittings without documented graphite morphology reports - spheroidal structure is non-negotiable for pressure integrity.
Lead time is typically 30 to 45 days after deposit, with FOB Qingdao as the default Incoterm. Buyers should confirm whether packaging is in wooden crates or bulk pallets, and whether protective end caps are included. Payment terms are usually 30% deposit, 70% against shipping documents. Request a copy of the container loading plan to verify quantity and condition before shipment.
On arrival, inspect for surface cracks, misaligned flange holes, and coating damage. Perform a visual check for internal lining adhesion using a flashlight and mirror. Retain a sample fitting for independent lab testing if the project requires compliance with local water authority standards. Ensure all documentation includes the supplier's batch traceability code, which links to the mill test reports and casting heat number.
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30 suppliersBuy Ductile Cast Iron Pipe Fi in Bulk — Supplier in China
When sourcing Ductile Cast Iron Pipe Fittings for your business, securing the right balance of quality and cost is essential. Qingdao Valtech Manufacturing Co., Ltd., a supplier based in China, offers this product with key specifications including GGG 40 / EN-GJS-400-15 / ASTM A536 60-42-10, Spheroidal Graphite Ductile Iron, min. 80% nodularity, and DN50 - DN1200 (2" - 48"), flanges per ANSI B16.1 / ISO 7005 / EN 1092-2. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1,800 – $2,800 / MT and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7307.19, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Ductile Cast Iron Pipe Fi Specifications, Trade Terms & Pricing
Importing Ductile Cast Iron Pipe Fi requires careful attention to shipping logistics, customs compliance, and secure payment terms. Qingdao Valtech Manufacturing Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7307.19 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Qingdao Valtech Manufacturing Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Ductile Cast Iron Pipe Fi for business registration and quality documents before ordering. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of manufacturers and exporters across 200+ countries. Explore similar products in the Flanges category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Ductile Cast Iron Pipe Fi — Shipping, Logistics & Customs
Importing Ductile Cast Iron Pipe Fi requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7307.19 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Ductile Cast Iron Pipe Fi
What is the wholesale price of Ductile Cast Iron Pipe Fittings?
The current listed wholesale price for Ductile Cast Iron Pipe Fittings from Qingdao Valtech Manufacturing Co., Ltd. is $1,800 – $2,800 / MT on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Qingdao Valtech Manufacturing Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Ductile Cast Iron Pipe Fi?
The supplier, Qingdao Valtech Manufacturing Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Ductile Cast Iron Pipe Fi. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Ductile Cast Iron Pipe Fittings?
For international shipping and customs clearance, Ductile Cast Iron Pipe Fittings is classified under HS Code 7307.19. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Ductile Cast Iron Pipe Fi from China?
To import Ductile Cast Iron Pipe Fi from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Qingdao Valtech Manufacturing Co., Ltd.. Ensure you have the necessary import licenses for Flanges products in your destination country.
How can I check Qingdao Valtech Manufacturing Co., Ltd. before ordering?
Open the Qingdao Valtech Manufacturing Co., Ltd. company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Ductile Cast Iron Pipe Fittings?
The key specifications for Ductile Cast Iron Pipe Fittings supplied by Qingdao Valtech Manufacturing Co., Ltd. include GGG 40 / EN-GJS-400-15 / ASTM A536 60-42-10, Spheroidal Graphite Ductile Iron, min. 80% nodularity, and DN50 - DN1200 (2" - 48"), flanges per ANSI B16.1 / ISO 7005 / EN 1092-2. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Ductile Cast Iron Pipe Fi?
Qingdao Valtech Manufacturing Co., Ltd. offers Ductile Cast Iron Pipe Fi with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Ductile Cast Iron Pipe Fi the most?
Ductile Cast Iron Pipe Fi is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Qingdao Valtech Manufacturing Co., Ltd. through our platform.
What certifications does this Ductile Cast Iron Pipe Fi supplier hold?
Qingdao Valtech Manufacturing Co., Ltd. maintains international quality certifications. These ensure that the Ductile Cast Iron Pipe Fi meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Ductile Cast Iron Pipe Fittings on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Qingdao Valtech Manufacturing Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Qingdao Valtech Manufacturing Co., Ltd..
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