Import Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube — Buy in wholesale FOB from Supplier in China
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Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube
This is an ASTM A312 Grade TP304 welded tube with a nominal diameter of DN500 (approximately 508 mm outer diameter) and a Schedule 40 wall thickness, manufactured for high-pressure and high-temperature industrial applications. The material is stainless steel TP304, containing 18% chromium and 8% nickel, which provides excellent corrosion resistance in aggressive environments such as oil and gas extraction, petrochemical processing, and chemical transport systems. The tube conforms to ASTM A312 standards, ensuring consistent mechanical properties and dimensional accuracy for large-scale infrastructure projects.
TP304 is an austenitic stainless steel grade known for its formability, weldability, and resistance to oxidation and intergranular corrosion. This tube variant is typically supplied in a mill-finished or pickled condition, with a smooth internal surface to minimize fluid friction and pressure drop. Standard tolerances for outer diameter and wall thickness are maintained to ensure compatibility with ASME B36.10M piping systems, while the welded construction method offers a cost-effective solution without sacrificing strength or durability.
These tubes are primarily used in industries requiring reliable fluid and gas transport under extreme conditions, including refineries, power plants, and water treatment facilities. Buyers often source them for projects demanding high integrity and long service life, such as cross-country pipelines or process piping in chemical plants. Trade terms for bulk orders typically involve confirmation of incoterms, packaging standards (e.g., bundled with steel straps and end caps), and inspection protocols to verify compliance with project specifications.
| Standard | ASTM A312 |
| Grade | TP304 |
| Nominal Diameter | DN500 (508 mm OD) |
| Schedule | 40 |
| Material Composition | 18% Cr, 8% Ni (TP304) |
| Wall Thickness | 9.53 mm (standard for Sch 40 DN500) |
| Manufacturing Method | Welded |
| Surface Finish | Mill-finished or pickled (typical) |
| Tensile Strength | 515 MPa minimum (typical for ASTM A312 TP304) |
| Yield Strength | 205 MPa minimum (typical for ASTM A312 TP304) |
Foshan Kuanyu Stainless Steel Co., Ltd. is based in Foshan, Guangdong, China, operating from Liyuan Metal Logistics Mall. The supplier specializes in stainless steel piping solutions, with a focus on large-diameter tubes for industrial applications. Its product range includes ASTM A312 compliant welded tubes, which are designed for high-pressure and corrosive environments, such as those found in petrochemical and oil and gas industries.
The company’s profile indicates a trust tier classification of 'harbor', reflecting its verified status in international trade. While the response rate and average response hours are currently listed as zero, the supplier’s physical address and specialization in stainless steel products suggest a capability to handle bulk inquiries. Buyers are advised to confirm communication channels and lead times directly with the supplier for up-to-date information.
The ASTM312 Grade TP304 DN500 Sch 40 Welded Tube is a large-diameter industrial piping solution manufactured to ASTM A312 standards, ideal for oil and gas, petrochemical, and chemical processing applications where corrosion resistance is critical. TP304 stainless steel composition ensures reliable performance in high-temperature and high-pressure environments, while DN500 (approx. 508mm OD) and Schedule 40 wall thickness provide the flow capacity and strength demanded by large-scale infrastructure projects. These welded tubes are competitively sourced globally and are a staple in international trade of industrial pipe fittings.
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Sourcing Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube from Foshan Kuanyu Stainless Steel Co., Ltd. - China Import Guide
Before placing an order, verify the tube’s compliance with your project’s pressure and temperature ratings by requesting the supplier’s mill test certificates (MTCs) and third-party inspection reports. Confirm that the material’s chemical composition and mechanical properties align with ASTM A312 standards, particularly for critical applications like oil and gas transport.
Logistics details such as lead time, incoterms (e.g., FOB, CIF), and payment terms should be clarified upfront. DN500 Sch 40 tubes are heavy and bulky, so discuss packaging, loading methods, and containerization to avoid damage during shipping. Port of loading and destination charges may also impact overall costs.
Quality checks should include dimensional verification, visual inspection for surface defects, and pressure testing to ensure leak-proof integrity. Request a pre-shipment inspection by a recognized agency to validate compliance with your specifications. Documentation such as packing lists, commercial invoices, and certificates of origin should accompany the shipment for customs clearance.
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30 suppliersBuy Astm312 Gr Tp304 Dn500 Sc in Bulk — Verified Supplier in China
When sourcing Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube for your business, securing the right balance of quality and cost is essential. Foshan Kuanyu Stainless Steel Co., Ltd., a verified supplier based in China, offers this product with key specifications including ASTM312 Grade TP304 (UNS S30400), Schedule 40 (Sch 40), and DN500 (Nominal Bore ~21 inches / 533.4mm OD). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $13503500/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7306.40, making it a staple in the Stainless Steel Pipes & Pipe Fittings sector with strong demand from importing countries worldwide.
Astm312 Gr Tp304 Dn500 Sc Specifications, Trade Terms & Pricing
Importing Astm312 Gr Tp304 Dn500 Sc requires careful attention to shipping logistics, customs compliance, and secure payment terms. Foshan Kuanyu Stainless Steel 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 7306.40 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 Foshan Kuanyu Stainless Steel Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Astm312 Gr Tp304 Dn500 Sc 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 Stainless Steel Pipes & Pipe Fittings category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Astm312 Gr Tp304 Dn500 Sc — Shipping, Logistics & Customs
Importing Astm312 Gr Tp304 Dn500 Sc 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 7306.40 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 Astm312 Gr Tp304 Dn500 Sc
What is the wholesale price of Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube?
The current listed wholesale price for Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube from Foshan Kuanyu Stainless Steel Co., Ltd. is $13503500/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 Foshan Kuanyu Stainless Steel Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Astm312 Gr Tp304 Dn500 Sc?
The supplier, Foshan Kuanyu Stainless Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Astm312 Gr Tp304 Dn500 Sc. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube?
For international shipping and customs clearance, Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube is classified under HS Code 7306.40. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Astm312 Gr Tp304 Dn500 Sc from China?
To import Astm312 Gr Tp304 Dn500 Sc from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Foshan Kuanyu Stainless Steel Co., Ltd.. Ensure you have the necessary import licenses for Stainless Steel Pipes & Pipe Fittings products in your destination country.
Is Foshan Kuanyu Stainless Steel Co., Ltd. a verified supplier?
Yes, Foshan Kuanyu Stainless Steel Co., Ltd. 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 Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube?
The key specifications for Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube supplied by Foshan Kuanyu Stainless Steel Co., Ltd. include ASTM312 Grade TP304 (UNS S30400), Schedule 40 (Sch 40), and DN500 (Nominal Bore ~21 inches / 533.4mm OD). 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 Astm312 Gr Tp304 Dn500 Sc?
Foshan Kuanyu Stainless Steel Co., Ltd. offers Astm312 Gr Tp304 Dn500 Sc with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Astm312 Gr Tp304 Dn500 Sc the most?
Astm312 Gr Tp304 Dn500 Sc is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Foshan Kuanyu Stainless Steel Co., Ltd. through our platform.
What certifications does this Astm312 Gr Tp304 Dn500 Sc supplier hold?
Foshan Kuanyu Stainless Steel Co., Ltd. maintains international quality certifications. These ensure that the Astm312 Gr Tp304 Dn500 Sc meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Astm312 Gr Tp304 Dn500 Sch 40 Welded Tube on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Foshan Kuanyu Stainless Steel 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 Foshan Kuanyu Stainless Steel Co., Ltd..
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