Import Large Diameter Sch40 Spiral Welded Steel Pipes — Buy in wholesale FOB from Supplier in China
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Large Diameter Sch40 Spiral Welded Steel Pipes
Large Diameter Sch40 Spiral Welded Steel Pipes are heavy‑wall carbon‑steel tubes used for high‑capacity pipelines. Tianjin Xinyue Steel Pipe Group manufactures these pipes in outer diameters from 350 mm to 914 mm. The pipes are produced from carbon‑steel grades A53 and A106 and comply with ASTM and API standards, including API 5L Grade B. Wall thicknesses range between 9.53 mm and 40 mm, providing schedule 40 dimensions for low‑to‑medium pressure service.
The spiral‑welded construction offers a cost‑effective alternative to seamless pipe while maintaining structural integrity. Typical specifications include a tolerance of ±0.2 mm on wall thickness and a straightness tolerance of 0.5 % of length. Standard end treatments are plain (belved) or beveled, and the pipes are often supplied with a 3 PE external coating for corrosion protection. Production is performed in Tianjin mills, enabling daily output of up to 800 tons.
These pipes are widely applied in water transmission, structural piling, and low‑pressure oil and gas pipelines. Custom lengths from 6 m to 18 m can be fabricated according to project requirements. The listing does not disclose pricing, minimum order quantities or exact lead times; interested buyers should request this information directly from the supplier. Verification of material grade, coating type and certification is essential before confirming an order.
| Material | Carbon Steel (A53 / A106) |
| Standard | ASTM, API 5L Grade B |
| Outer Diameter | 350 mm to 914 mm |
| Wall Thickness | 9.53 mm to 40 mm |
| Schedule | Sch 40 (typical for this size range) |
| Length | 6 m to 18 m (typical) |
| Coating | 3 PE external coating |
| End Type | Plain (belved) or beveled (typical) |
| Tolerance | Wall thickness ±0.2 mm, straightness ±0.5 % of length (typical) |
| Production Capacity | 800 tons per day |
Tianjin Xinyue Steel Pipe Group is located in Daqiuzhuang Industrial Area, Jinghai County, Tianjin, China. The supplier carries a harbor trust tier, indicating a verified business entity on the platform. Its response rate is currently not recorded, and average response time is unavailable. The company sources raw steel plates from local mills and specialises in manufacturing large‑diameter spiral‑welded pipes.
The product line includes pipes from 350 mm to 914 mm outer diameter, with wall thicknesses up to 40 mm, suitable for water, structural and oil‑gas applications. Tianjin Xinyue can provide standard 3 PE coating and optional end treatments such as plain or beveled cuts. The listing does not specify minimum order quantities, export certifications or detailed lead‑time estimates, which should be clarified with the supplier before procurement.
Large diameter Sch40 spiral welded steel pipes ranging from 350mm to 914mm outer diameter are manufactured to ASTM/API standards using carbon steel grades including A53 and A106. These heavy-wall pipes with thicknesses from 9.53mm to 40mm are widely used in water transmission, structural piling, and low-to-medium pressure oil and gas applications. Sourced directly from mills in Tianjin, these pipes offer cost-effective alternatives to seamless pipes for large-scale infrastructure projects globally.
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Sourcing Large Diameter Sch40 Spiral Welded Steel Pipes from Tianjin Xinyue Steel Pipe Group - China Import Guide
Before ordering large‑diameter Sch40 pipes from Tianjin Xinyue, importers should verify the exact steel grade (A53 or A106) and confirm that the product meets API 5L Grade B requirements. Request the latest mill test report and coating certification to ensure the 3 PE layer adheres to the specified thickness. Check that the outer‑diameter, wall‑thickness and end‑type match the project design, and obtain written confirmation of any custom dimensions.
The supplier ships from Tianjin port, so buyers need to agree on an Incoterm such as FOB Tianjin or CIF the
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31 listingsTop Verified Suppliers for Large Diameter Sch40 Spiral Welded Steel Pipes
30 suppliersBuy Large Diameter Sch40 Spir in Bulk — Verified Supplier in China
When sourcing Large Diameter Sch40 Spiral Welded Steel Pipes for your business, securing the right balance of quality and cost is essential. Tianjin Xinyue Steel Pipe Group, a verified supplier based in China, offers this product with key specifications including 20#, 16Mn, A53(A,B), A106(B,C) / Sch40 Schedule, Carbon Steel and Low Alloy Steel composition per ASTM/GB standards, and Outer Diameter: 350mm - 914mm; Wall Thickness: 9.53mm - 40mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $780950./Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7305.19, making it a staple in the Steel Pipes sector with strong demand from importing countries worldwide.
Large Diameter Sch40 Spir Specifications, Trade Terms & Pricing
Importing Large Diameter Sch40 Spir requires careful attention to shipping logistics, customs compliance, and secure payment terms. Tianjin Xinyue Steel Pipe Group 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 7305.19 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Tianjin Xinyue Steel Pipe Group — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Large Diameter Sch40 Spir has been verified on our platform. 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 verified manufacturers and exporters across 200+ countries. Explore similar products in the Steel Pipes category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Large Diameter Sch40 Spir — Shipping, Logistics & Customs
Importing Large Diameter Sch40 Spir 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 7305.19 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 Large Diameter Sch40 Spir
What is the wholesale price of Large Diameter Sch40 Spiral Welded Steel Pipes?
The current listed wholesale price for Large Diameter Sch40 Spiral Welded Steel Pipes from Tianjin Xinyue Steel Pipe Group is $780950./Bags 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 Tianjin Xinyue Steel Pipe Group through EximNext.
What is the Minimum Order Quantity (MOQ) for Large Diameter Sch40 Spir?
The supplier, Tianjin Xinyue Steel Pipe Group, has set a Minimum Order Quantity (MOQ) of 1 Bags for Large Diameter Sch40 Spir. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Large Diameter Sch40 Spiral Welded Steel Pipes?
For international shipping and customs clearance, Large Diameter Sch40 Spiral Welded Steel Pipes is classified under HS Code 7305.19. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Large Diameter Sch40 Spir from China?
To import Large Diameter Sch40 Spir from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Tianjin Xinyue Steel Pipe Group. Ensure you have the necessary import licenses for Steel Pipes products in your destination country.
Is Tianjin Xinyue Steel Pipe Group a verified supplier?
Yes, Tianjin Xinyue Steel Pipe Group is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Large Diameter Sch40 Spiral Welded Steel Pipes?
The key specifications for Large Diameter Sch40 Spiral Welded Steel Pipes supplied by Tianjin Xinyue Steel Pipe Group include 20#, 16Mn, A53(A,B), A106(B,C) / Sch40 Schedule, Carbon Steel and Low Alloy Steel composition per ASTM/GB standards, and Outer Diameter: 350mm - 914mm; Wall Thickness: 9.53mm - 40mm. 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 Large Diameter Sch40 Spir?
Tianjin Xinyue Steel Pipe Group offers Large Diameter Sch40 Spir with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Large Diameter Sch40 Spir the most?
Large Diameter Sch40 Spir is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Tianjin Xinyue Steel Pipe Group through our platform.
What certifications does this Large Diameter Sch40 Spir supplier hold?
Tianjin Xinyue Steel Pipe Group maintains international quality certifications. These ensure that the Large Diameter Sch40 Spir meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Large Diameter Sch40 Spiral Welded Steel Pipes on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Tianjin Xinyue Steel Pipe Group 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 Tianjin Xinyue Steel Pipe Group.
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