Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›
Agriculture›
Apparel and fashion accessories›
Construction & real estate›💡Electronic & Electrical›🍎Food & Beverages›🛋️Home furnishing & supplies›⚗️Industrial goods & chemical›🪨Minerals & metals›📦Miscellaneous›

Line pipe from Dongying Lake Petroleum Technology Co., Ltd is manufactured to API 5L standards, covering grades from B to X80 in both seamless and welded configurations. Designed for long-distance transport of petroleum, natural gas, oil, and water, these pipes feature diameters from 2 to 48 inches with wall thicknesses compliant with PSL1 and PSL2 specifications. The material is carbon steel, meeting the mechanical and chemical property requirements for cross-country and offshore pipeline applications.
The product is built to withstand high-pressure environments typical of energy infrastructure projects. Standard industry practice for line pipe includes rigorous testing for tensile strength, yield strength, and elongation, with typical values for Grade B including 414 MPa minimum yield and 517 MPa minimum tensile strength. Surface finish and dimensional tolerances are controlled to ensure compatibility with pipeline fittings and welding procedures, with standard outer diameter tolerances of ±0.5% for seamless pipes.
Primary buyers include oil and gas exploration companies, pipeline contractors, and municipal water utilities. The pipe is traded globally in metric tons, with typical bulk orders specifying exact grade, diameter, and wall thickness to match project requirements. Logistics often involve containerized or break-bulk shipping, with ports in China serving as key export hubs for international energy projects. Buyers should confirm coating options, as external coatings like FBE or 3PE are standard for corrosion protection in buried or submerged applications.
| Standard | API 5L |
| Grade | B to X80 |
| Material | Carbon Steel |
| Configuration | Seamless and Welded |
| Outer Diameter Range | 2 to 48 inches |
| Wall Thickness | PSL1 and PSL2 compliant |
| Yield Strength (Grade B, typical) | 414 MPa minimum |
| Tensile Strength (Grade B, typical) | 517 MPa minimum |
| Surface Finish | Standard mill finish, external coating optional |
| Length | Standard random lengths (typically 5-12 meters) |
| Dimensional Tolerance (seamless, typical) | ±0.5% outer diameter |
| Application | Petroleum, natural gas, oil, and water transmission |
Dongying Lake Petroleum Technology Co., Ltd is based in Huanghe Road, Dongying, Shandong Province, China, with a postal code of 257000. The company operates as a supplier of API 5L line pipe, focusing on energy sector infrastructure. Its address places it in a region known for petroleum technology and manufacturing, aligning with its product specialisation in line pipe for oil and gas transport.
The supplier is categorised under the imported tier with a harbor trust tier, indicating it has met baseline verification standards for international trade. While its response rate and average response hours are currently unrecorded, the company’s profile confirms its role as a provider of standard and custom line pipe solutions. Buyers are advised to verify specific capabilities, such as coating options or custom sizing, directly with the supplier.
API 5L line pipe is manufactured in grades B through X80, available in both seamless and welded configurations, and is the industry standard for transporting petroleum, natural gas, oil, and water across long distances. With diameters ranging from 2 to 48 inches and wall thicknesses conforming to API 5L/PSL1 and PSL2 specifications, these pipes meet the rigorous demands of cross-country pipelines and offshore applications. Widely sourced from mills in China, Turkey, and India, line pipe is traded globally in metric tons and is a critical component of energy infrastructure projects worldwide.
| 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 |
Before ordering line pipe from Dongying Lake Petroleum Technology Co., Ltd, verify the exact grade, diameter, and wall thickness required for your project. Confirm whether the pipe will be seamless or welded, as this affects its application in high-pressure or corrosive environments. Request mill test certificates and third-party inspection reports to ensure the material meets API 5L standards and your project specifications.
For logistics, discuss Incoterms such as FOB or CIF to clarify responsibility for shipping costs and insurance. Lead times can vary based on order size and customisation, so confirm production and delivery schedules upfront. Ports in China, such as Tianjin or Qingdao, are typical export points for line pipe, and buyers should coordinate with freight forwarders familiar with handling heavy steel products.
Quality checks should include dimensional verification, visual inspection for surface defects, and review of coating integrity if applicable. For buried or offshore pipelines, non-destructive testing (NDT) methods like ultrasonic testing (UT) or magnetic particle inspection (MPI) may be required. Ensure all documentation, including MTCs and compliance certificates, is provided and matches the ordered specifications to avoid delays during customs or project installation.
Active buying requirements from importers looking for Similar products
Compare alternatives, find similar products and connect with verified suppliers
When sourcing Line Pipe for your business, securing the right balance of quality and cost is essential. Dongying Lake Petroleum Technology Co., Ltd, a verified supplier based in China, offers this product with key specifications including API 5L PSL1/PSL2, Grade B through X70; ASTM A53 Grade B, Carbon steel with trace amounts of Mn, Si, P, S (max C: 0.30%, max Mn: 1.40%), and NPS 2" to NPS 48" (DN 50 to DN 1200); Wall thickness: 3.18mm to 30mm; Length: 6m, 12m, or random length. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $8001,200./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7304.11, making it a staple in the Steel Pipes sector with strong demand from importing countries worldwide.
Importing Line Pipe requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongying Lake Petroleum Technology 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 7304.11 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 online B2B marketplace designed to make cross-border trade secure and efficient.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Line 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 B2B marketplace. Start your sourcing journey today.
Importing Line 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 7304.11 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 Line Pipe from Dongying Lake Petroleum Technology Co., Ltd is $8001,200./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 Dongying Lake Petroleum Technology Co., Ltd through EximNext.
The supplier, Dongying Lake Petroleum Technology Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Unit for Line Pipe. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Line Pipe is classified under HS Code 7304.11. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Line Pipe from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongying Lake Petroleum Technology Co., Ltd. Ensure you have the necessary import licenses for Steel Pipes products in your destination country.
Yes, Dongying Lake Petroleum Technology 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 Line Pipe supplied by Dongying Lake Petroleum Technology Co., Ltd include API 5L PSL1/PSL2, Grade B through X70; ASTM A53 Grade B, Carbon steel with trace amounts of Mn, Si, P, S (max C: 0.30%, max Mn: 1.40%), and NPS 2" to NPS 48" (DN 50 to DN 1200); Wall thickness: 3.18mm to 30mm; Length: 6m, 12m, or random length. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Dongying Lake Petroleum Technology Co., Ltd offers Line Pipe with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Line Pipe is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongying Lake Petroleum Technology Co., Ltd through our platform.
Dongying Lake Petroleum Technology Co., Ltd maintains international quality certifications. These ensure that the Line 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. Dongying Lake Petroleum Technology 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 Dongying Lake Petroleum Technology Co., Ltd.
Discover more products in Steel Pipes from verified suppliers worldwide.