Import Small Diameter Thin-Walled Seamless Steel — Buy in wholesale FOB from Supplier in China
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Small Diameter Thin-walled Seamless SteeL
The product is a small diameter thin‑walled seamless steel tube produced by cold drawing, offering high dimensional accuracy and a smooth surface. It is supplied in carbon steel grades 20# and 45# as well as alloy grades 35CrMo and 42CrMo, matching the specifications listed by the supplier. These tubes comply with international standards such as DIN, GB/T and ASTM, which are explicitly mentioned in the listing. The supplier describes the tubes as suitable for high‑pressure environments in export trade.
Typical outer diameters for this class of tube range from 6 mm to 50 mm, with wall thicknesses commonly between 0.5 mm and 1.5 mm. Cold drawing achieves dimensional tolerances of about ±0.02 mm and a surface roughness of Ra ≤ 0.8 µm, which are standard expectations in the industry. For alloy grades 35CrMo and 42CrMo, tensile strengths of at least 600 MPa are typical, providing the strength required for demanding applications. These characteristics make the tubes a reliable choice for precision‑engineered systems.
Common applications include hydraulic and pneumatic lines, automotive fuel conduits, instrumentation tubing and heat‑exchanger manifolds, where compact size and pressure resistance are critical. Purchasers such as OEM manufacturers and system integrators usually request custom lengths and packaging, and they should confirm minimum order quantities and payment terms directly with the supplier. All trade and logistics details, including Incoterms and lead time, need to be negotiated before finalising the order.
| Material | Carbon Steel 20#/45# and Alloy Steel 35CrMo/42CrMo |
| Grades | 20#, 45#, 35CrMo, 42CrMo |
| Manufacturing process | Cold drawn seamless tube |
| Standard compliance | DIN, GB/T, ASTM (standard) |
| Outer diameter (OD) | typical 6 mm to 50 mm |
| Wall thickness | typical 0.5 mm to 1.5 mm |
| Dimensional tolerance | typical ±0.02 mm |
| Surface roughness | typical Ra ≤ 0.8 µm |
| Tensile strength | typical ≥ 600 MPa for 35CrMo grade |
| Pressure rating | typical up to 30 bar for 20# grade |
Wuxi Longwei Precision Tube Co., Ltd. is situated in Yaxi Industrial Park, Luoshe Town, Wuxi, Jiangsu Province, China. The company holds a harbor‑tier verification, indicating that its business credentials have been validated by the platform. Although the listed response rate is 0 percent and average response time is not recorded, the firm advertises a focus on precision tube manufacturing for international trade.
The supplier’s catalogue includes custom‑specification services for small diameter thin‑walled seamless steel tubes, covering both carbon and alloy grades. It emphasizes compliance with DIN, GB/T and ASTM standards and highlights its capability to deliver tubes that meet tight tolerances required by high‑pressure applications. No additional certifications or production capacity figures are provided in the listing.
Small diameter thin-walled seamless steel tubes, also known as cold drawn seamless tubes, are manufactured through precision cold drawing processes to achieve tight dimensional tolerances and superior surface finish. These tubes are widely used in hydraulic and pneumatic systems, automotive fuel lines, instrumentation, and heat exchanger applications. Available in grades such as 20#, 45#, 35CrMo, and 42CrMo, they meet international standards including DIN, GB/T, and ASTM, making them ideal for import/export trade with reliable performance in high-pressure environments.
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Sourcing Small Diameter Thin-walled Seamless SteeL from Wuxi Longwei Precision Tube Co., Ltd. - China Import Guide
Before placing an order, the importer should verify the exact grade, outer diameter, wall thickness and tolerance required for the intended application. Request the supplier’s material test reports and certificates that reference DIN, GB/T or ASTM compliance. Confirm that the production batch can meet the specified pressure rating and tensile strength.
Logistics arrangements, including Incoterms such as FOB Wuxi or CIF Shanghai, need to be agreed in advance, as the listing does not define them. Ask the supplier for an estimated lead time based on the desired quantity and whether they can accommodate container loading or bulk shipping. Payment terms are typically negotiated per transaction and should be documented before shipment.
Importers are advised to arrange a third‑party inspection before loading, focusing on dimensional checks, surface roughness and material composition. Ensure that the supplier provides a mill test certificate and a packing list that details tube lengths and quantity. Maintaining these documentation practices reduces the risk of non‑conformity upon arrival.
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30 suppliersBuy Small Diameter Thin-Walle in Bulk — Verified Supplier in China
When sourcing Small Diameter Thin-Walled Seamless Steel for your business, securing the right balance of quality and cost is essential. Wuxi Longwei Precision Tube Co., Ltd., a verified supplier based in China, offers this product with key specifications including ST35 / ST37 / ST45 / ST52 (cold drawn seamless), 1mm - 50mm (small diameter), and 0.5mm - 2.0mm (thin-walled). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $10/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 Tubes sector with strong demand from importing countries worldwide.
Small Diameter Thin-Walle Specifications, Trade Terms & Pricing
Importing Small Diameter Thin-Walle requires careful attention to shipping logistics, customs compliance, and secure payment terms. Wuxi Longwei Precision Tube 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.
About Wuxi Longwei Precision Tube Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Small Diameter Thin-Walle 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 Tubes category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Small Diameter Thin-Walle — Shipping, Logistics & Customs
Importing Small Diameter Thin-Walle 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).
Frequently Asked Questions About Small Diameter Thin-Walle
What is the wholesale price of Small Diameter Thin-Walled Seamless Steel?
The current listed wholesale price for Small Diameter Thin-Walled Seamless Steel from Wuxi Longwei Precision Tube Co., Ltd. is $10/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 Wuxi Longwei Precision Tube Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Small Diameter Thin-Walle?
The supplier, Wuxi Longwei Precision Tube Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Small Diameter Thin-Walle. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Small Diameter Thin-Walled Seamless Steel?
For international shipping and customs clearance, Small Diameter Thin-Walled Seamless Steel is classified under HS Code 7304.31. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Small Diameter Thin-Walle from China?
To import Small Diameter Thin-Walle from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Wuxi Longwei Precision Tube Co., Ltd.. Ensure you have the necessary import licenses for Steel Tubes products in your destination country.
Is Wuxi Longwei Precision Tube Co., Ltd. a verified supplier?
Yes, Wuxi Longwei Precision Tube 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 Small Diameter Thin-Walled Seamless Steel?
The key specifications for Small Diameter Thin-Walled Seamless Steel supplied by Wuxi Longwei Precision Tube Co., Ltd. include ST35 / ST37 / ST45 / ST52 (cold drawn seamless), 1mm - 50mm (small diameter), and 0.5mm - 2.0mm (thin-walled). 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 Small Diameter Thin-Walle?
Wuxi Longwei Precision Tube Co., Ltd. offers Small Diameter Thin-Walle with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Small Diameter Thin-Walle the most?
Small Diameter Thin-Walle is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Wuxi Longwei Precision Tube Co., Ltd. through our platform.
What certifications does this Small Diameter Thin-Walle supplier hold?
Wuxi Longwei Precision Tube Co., Ltd. maintains international quality certifications. These ensure that the Small Diameter Thin-Walle meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Small Diameter Thin-Walled Seamless Steel on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Wuxi Longwei Precision Tube 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 Wuxi Longwei Precision Tube Co., Ltd..
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