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The seamless steel pipe offered by Tianjin Coupling Heat Treatment Co. Ltd is manufactured from carbon and alloy steel to meet API 5L, ASTM A106 and ASTM A53 grades. Outer diameters are supplied between 21.3 mm and 1 016 mm, while wall thicknesses range from 2 mm to 50 mm. The product is produced without welding seams, giving a continuous structure that resists pressure and corrosion. These dimensions align with standard pipe schedules used in industrial projects.
Carbon steel grades such as API 5L provide typical tensile strengths of 400 - 550 MPa, whereas alloy variants can achieve higher strength at elevated temperatures. In the pipe industry, standard sizes from ½ inch to 24 inch (12.7 mm - 609.6 mm) are common, and the supplied range covers most commercial requirements. Typical surface finishes include plain ends, with optional beveled or threaded ends for specific welding needs. The pipes conform to ISO 9001 quality‑management practices as indicated by the supplier’s certification claim.
These pipes are widely used in oil‑and‑gas transmission, structural frameworks, and mechanical‑engineering equipment where leak‑free flow is critical. Purchasers such as pipeline contractors, plant engineers and fabricators typically request FOB or CIF terms and may need bulk shipment on pallets or in bundles. The supplier notes flexible minimum order quantities and accepts standard payment methods including L/C and T/T, but exact terms should be confirmed directly. Importers should verify the mill test report and any applicable certifications before finalising the order.
| Material | Carbon Steel / Alloy Steel (API 5L, ASTM A106, ASTM A53) |
| Outer Diameter Range | 21.3 mm - 1 016 mm |
| Wall Thickness Range | 2 mm - 50 mm |
| Standard Size Range (inches) | 0.5 in - 24 in (typical) |
| Typical Tensile Strength | 400 - 550 MPa (typical for API 5L carbon steel) |
| Typical Pressure Rating | 150 bar for schedule 40 (typical) |
| End Finish Options | Plain end, beveled end, threaded end (optional) |
| Coating Options | Mill scale, hot‑dip galvanised (typical) |
| Packaging | Bundles or loose loading on pallets (typical) |
| Quality Management | ISO 9001 certified (as claimed) |
Tianjin Coupling Heat Treatment Co. Ltd is located in the Shuangxin Industrial Zone, Jinnan District, Tianjin, China (postal code 300585). The supplier holds a harbor‑tier verification on the marketplace and currently shows a response rate of 0 % with no recorded average response time. Its facilities specialise in heat treatment and finishing of steel pipe products for export.
The company’s current listing highlights seamless steel pipe production to API 5L, ASTM A106 and ASTM A53 standards, but does not disclose specific minimum order quantities, lead times or client references. Interested buyers should request detailed technical data sheets and confirm payment and shipping conditions directly with the supplier.
Seamless steel pipes are manufactured without welding seams, offering superior strength and pressure resistance for oil and gas transmission, structural applications, and mechanical engineering. Available in grades such as API 5L, ASTM A106, and ASTM A53, with outer diameters ranging from 21.3mm to 1016mm and wall thicknesses from 2mm to 50mm. Widely sourced from major producers in China, India, and Turkey, these pipes are competitively priced for international trade with flexible MOQs and bulk shipment options.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Before placing an order, verify the supplier’s harbour‑tier status, request the latest mill test report and confirm that the pipe dimensions match your engineering specifications. Ensure that any required certifications, such as material test certificates, are provided before payment is made.
Logistics for bulk pipe shipments typically involve container loading of bundled or loose‑loaded pallets. Confirm the Incoterm (FOB or CIF) that best fits your supply chain, and discuss expected lead times and loading schedules directly with the seller. Payment methods commonly accepted include L/C and T/T, but exact terms should be agreed in writing.
Arrange a third‑party inspection if possible, focusing on dimensional accuracy, wall thickness tolerance and surface condition. Request a certificate of conformity and a quality‑assurance statement that references ISO 9001 compliance. Maintaining clear documentation will streamline customs clearance and reduce the risk of non‑conforming material.
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When sourcing Seamless Steel Pipe for your business, securing the right balance of quality and cost is essential. Tianjin Coupling Heat Treatment Co. Ltd, a verified supplier based in China, offers this product with key specifications including API 5L Grade B / ASTM A106 Grade B / S355 / 20#, 21.3mm - 914mm (1/2" - 36"), and 2mm - 60mm (SCH 20 - XXS). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $8501,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7304.19, making it a staple in the Steel Pipes sector with strong demand from importing countries worldwide.
Importing Seamless Steel Pipe requires careful attention to shipping logistics, customs compliance, and secure payment terms. Tianjin Coupling Heat Treatment 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 7304.19 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 B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Seamless Steel Pipe 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 global B2B marketplace. Start your sourcing journey today.
Importing Seamless Steel Pipe 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 7304.19 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
The current listed wholesale price for Seamless Steel Pipe from Tianjin Coupling Heat Treatment Co. Ltd is $8501,200./Unit 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 Coupling Heat Treatment Co. Ltd through EximNext.
The supplier, Tianjin Coupling Heat Treatment Co. Ltd, has set a Minimum Order Quantity (MOQ) of 1 Unit for Seamless Steel Pipe. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Seamless Steel Pipe is classified under HS Code 7304.19. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Seamless Steel Pipe from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Tianjin Coupling Heat Treatment Co. Ltd. Ensure you have the necessary import licenses for Steel Pipes products in your destination country.
Yes, Tianjin Coupling Heat Treatment 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.
The key specifications for Seamless Steel Pipe supplied by Tianjin Coupling Heat Treatment Co. Ltd include API 5L Grade B / ASTM A106 Grade B / S355 / 20#, 21.3mm - 914mm (1/2" - 36"), and 2mm - 60mm (SCH 20 - XXS). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Tianjin Coupling Heat Treatment Co. Ltd offers Seamless Steel Pipe with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Seamless Steel Pipe is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Tianjin Coupling Heat Treatment Co. Ltd through our platform.
Tianjin Coupling Heat Treatment Co. Ltd maintains international quality certifications. These ensure that the Seamless Steel Pipe meets international quality, safety, and regulatory standards required for cross-border trade.
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Tianjin Coupling Heat Treatment Co. Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
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 Coupling Heat Treatment Co. Ltd.
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