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This seamless steel pipe is designed for automotive chassis, machinery frames, and engineering equipment, manufactured to GB/T 8162 or ASTM A519 standards. It is produced in carbon structural steel grades 20#, 45#, and Q345, with outer diameters spanning 21mm to 630mm. The pipe maintains consistent wall thickness and dimensional accuracy, making it suitable for high-stress structural applications.
The material grades such as 20# and 45# provide balanced strength and machinability, while Q345 offers higher tensile strength for demanding mechanical uses. Standard industry practice for such pipes includes hydraulic testing for fluid-carrying variants, though this structural pipe is optimized for mechanical and automotive frameworks. Typical surface treatments include anti-rust oil or black painting, with packaging in 6m or 12m bundles for export.
Automotive manufacturers and machinery builders source this pipe for frames, supports, and hydraulic systems where reliability under load is critical. The supplier accepts annual supply orders with partial shipments, and offers free samples for quality testing. Buyers should confirm wall thickness tolerances and straightness requirements, as these are key for precision applications.
| Material | Carbon Structural Steel (Grade 20#, 45#, Q345) |
| Standards | GB/T 8162, ASTM A519 |
| Outer Diameter Range | 21mm to 630mm |
| Typical Wall Thickness | standard 2mm to 50mm, depending on diameter |
| Length | 6m or 12m |
| Surface Treatment | Anti-rust oil, black painting (as requested) |
| Packaging | Bundles for containerized export |
| Typical Tolerance for Diameter | ±0.5% (standard for GB/T 8162) |
| Typical Straightness | ≤1.5mm/m (standard for structural pipes) |
| Common Applications | Automotive chassis, machinery frames, engineering equipment |
Liaocheng Xinruyi Trading Co,. Ltd. operates from Room 2012, No. 1 Office Building, Xingmei City Plaza, in the Liaocheng Economic Development Zone, Shandong. The company specializes in seamless steel pipes for structural and mechanical applications, with a focus on automotive and industrial sectors. Its trust tier is classified as harbor, indicating a verified presence in the market.
The supplier highlights 14 years of production experience and offers both stock and made-to-order supply options to ensure timely delivery. Free samples are available for quality verification, and the company coordinates with third-party inspectors such as SGS and BV for new clients. Response rate and average response hours are not publicly available, but the supplier’s address and operational details confirm its physical base in China.
This seamless steel pipe for general structure and mechanical use is widely applied in automotive chassis, machinery frames, and engineering equipment. Manufactured to GB/T 8162 or ASTM A519 standards, it features consistent wall thickness and excellent dimensional accuracy. Available in carbon grades such as 20# and 45#, with outer diameters from 21mm to 630mm. Commonly traded in 6m or 12m bundle packaging for containerized export shipments worldwide.
| 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 ordering, verify the exact material grade and dimensional specifications, as these directly impact the pipe’s suitability for your application. Confirm whether the supplier’s mill test certificates (MTC) are provided, as these document the chemical composition and mechanical properties of the steel.
Logistics details to confirm include Incoterms (e.g., FOB or CIF), port of loading, and container type (20ft, 40ft, or 40ft HC). Lead times can vary based on stock availability or production schedules, so request a timeline for delivery to your destination port. Payment terms, such as TT or LC, should also be clarified upfront.
For quality checks, inspect the pipe’s surface for defects, measure the outer diameter and wall thickness against your specifications, and verify straightness. Request a pre-shipment inspection if your order is large or critical. Ensure all documentation, including packing lists, invoices, and certificates of origin, is complete and accurate for customs clearance.
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When sourcing Automotive And Mechanical Structure Pipe for your business, securing the right balance of quality and cost is essential. Liaocheng Xinruyi Trading Co,. Ltd., a verified supplier based in China, offers this product with key specifications including Carbon structural steel seamless pipe (Grade 20#, 45#), Carbon steel with controlled carbon content (0.17-0.45% C typical), and OD 10-530mm, WT 2-70mm (customizable per order). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $650/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7304.31, making it a staple in the Steel Pipes sector with strong demand from importing countries worldwide.
Importing Automotive And Mechanical requires careful attention to shipping logistics, customs compliance, and secure payment terms. Liaocheng Xinruyi Trading 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 7304.31 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.
Finding trustworthy partners is the foundation of successful importing. The supplier of this Automotive And Mechanical 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 online B2B marketplace. Start your sourcing journey today.
Importing Automotive And Mechanical 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 7304.31 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 Automotive And Mechanical Structure Pipe from Liaocheng Xinruyi Trading Co,. Ltd. is $650/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 Liaocheng Xinruyi Trading Co,. Ltd. through EximNext.
The supplier, Liaocheng Xinruyi Trading Co,. Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Automotive And Mechanical. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
For international shipping and customs clearance, Automotive And Mechanical Structure Pipe is classified under HS Code 7304.31. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
To import Automotive And Mechanical from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Liaocheng Xinruyi Trading Co,. Ltd.. Ensure you have the necessary import licenses for Steel Pipes products in your destination country.
Yes, Liaocheng Xinruyi Trading 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 Automotive And Mechanical Structure Pipe supplied by Liaocheng Xinruyi Trading Co,. Ltd. include Carbon structural steel seamless pipe (Grade 20#, 45#), Carbon steel with controlled carbon content (0.17-0.45% C typical), and OD 10-530mm, WT 2-70mm (customizable per order). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
Liaocheng Xinruyi Trading Co,. Ltd. offers Automotive And Mechanical with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Automotive And Mechanical is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Liaocheng Xinruyi Trading Co,. Ltd. through our platform.
Liaocheng Xinruyi Trading Co,. Ltd. maintains international quality certifications. These ensure that the Automotive And Mechanical 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. Liaocheng Xinruyi Trading 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 Liaocheng Xinruyi Trading Co,. Ltd..
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