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Seamless steel tubes
Haiyan Samax Import And Export Co., Ltd. offers seamless steel tubes manufactured from carbon steel ST35 (E235) and ST35.8 grades. The tubes are supplied in outer diameters ranging from 6 mm to 720 mm and conform to DIN 2391, EN 10305‑1 and a range of ASTM standards listed in the source data. The supplier states that dimensional tolerances are tight to meet high‑pressure requirements and that the product is packaged for export to international buyers.
The material choice of ST35 and ST35.8 is common for hydraulic and boiler applications, providing good weldability and moderate tensile strength. Typical wall‑thickness tolerance for such carbon‑steel seamless tubes is ±0.2 mm, and a standard pressure rating of up to 100 bar is often applied in the industry. Lengths up to 12 m are frequently offered as a standard cut, and a mill‑finish surface can be supplied with optional oil coating for corrosion protection.
These tubes are widely used in hydraulic systems, heat exchangers, boiler components and fluid transport lines in automotive, energy and industrial manufacturing sectors. Buyers such as equipment manufacturers and plant engineers usually request caps at both ends and oil‑painted interiors for protection during transport. The listing mentions export packaging and global delivery, but does not disclose minimum order quantity, exact lead time or Incoterms; interested importers should confirm those details directly with the supplier.
| Material | Carbon Steel ST35 (E235) / ST35.8 |
| Grade | ST35, ST35.8 |
| Outer Diameter (OD) | 6 mm - 720 mm |
| Standards | DIN2391, EN10305‑1, ASTM (various) |
| Delivery Condition | GBK(+A), BK(+C), BKW(+LC), BKS(+SR), NBK(+N) |
| Wall Thickness Tolerance | ±0.2 mm (typical) |
| Pressure Rating | up to 100 bar (standard for carbon‑steel seamless tubes) |
| Maximum Length | 12 m (typical) |
| Surface Finish | Mill finish, optional oil coating (standard) |
| Packaging | End caps, oil‑painted interior, containerised for export (standard) |
Haiyan Samax Import And Export Co., Ltd. is located at No 114 Haifeng Road, Haiyan County, Jiaxing, Zhejiang, China (postal code 314300). The company is listed with a harbour‑level trust tier, but its response rate is recorded as 0 % and average response time as 0 hours, indicating that replies may be delayed or unavailable.
The supplier advertises seamless steel tubes produced to DIN2391, EN10305‑1 and multiple ASTM specifications, with grades ST35, ST35.8 and a broader list of steel grades in the source description. No additional corporate history, employee count or revenue figures are provided, and the listing does not state any certified quality management system beyond the standards cited for the product itself.
Premium seamless steel tubes manufactured to DIN2391, EN10305-1, and ASTM standards, available in ST35 (E235) and ST35.8 grades. These precision tubes are widely used in hydraulic systems, heat exchangers, boiler applications, and fluid transportation across automotive, energy, and industrial manufacturing sectors. Available in sizes from 6mm to 720mm outer diameter with tight dimensional tolerances for high-pressure environments. Export packaging and global delivery available for international trade partners.
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Sourcing Seamless steel tubes from Haiyan Samax Import And Export Co., Ltd. - China Import Guide
Before placing an order, verify the supplier’s legal business registration, the exact steel grade and the conformity to the cited standards. Request the mill test certificates, dimensional inspection reports and any third‑party quality audit results to ensure the product matches the technical data you require.
Confirm the intended Incoterms, payment method and shipping route. Although the listing mentions global delivery, the exact lead time, minimum order quantity and freight terms are not disclosed; obtain written confirmation from the supplier for these logistics details. For containerised shipments, ask about pallet configuration and whether inland transport from the Zhejiang port is included.
Arrange an independent inspection at the point of loading or upon arrival, focusing on outer‑diameter verification, wall‑thickness measurement and surface condition. Retain the inspection report together with the mill test certificate for customs clearance and for any future quality disputes.
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30 suppliersBuy Seamless Steel Tubes in Bulk — Supplier in China
When sourcing Seamless Steel Tubes for your business, securing the right balance of quality and cost is essential. Haiyan Samax Import And Export Co., Ltd., a supplier based in China, offers this product with key specifications including ST35 (E235), ST35.8; also applicable: A53 Grade B, A106 Grade B, ST37-2 equivalent, Carbon steel with max C 0.17%, Mn 0.35-0.65%, Si max 0.35%, P max 0.035%, S max 0.035% (typical for ST35), and OD 6mm - 324mm; Wall thickness 1mm - 20mm; Length 6m / 12m or as required. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $950 – $1,400 / MT and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. 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.
Seamless Steel Tubes Specifications, Trade Terms & Pricing
Importing Seamless Steel Tubes requires careful attention to shipping logistics, customs compliance, and secure payment terms. Haiyan Samax Import And Export 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 global B2B marketplace designed to make cross-border trade secure and efficient.
About Haiyan Samax Import And Export Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Seamless Steel Tubes for business registration and quality documents before ordering. 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 manufacturers and exporters across 200+ countries. Explore similar products in the Steel Tubes category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Seamless Steel Tubes — Shipping, Logistics & Customs
Importing Seamless Steel Tubes 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 Seamless Steel Tubes
What is the wholesale price of Seamless Steel Tubes?
The current listed wholesale price for Seamless Steel Tubes from Haiyan Samax Import And Export Co., Ltd. is $950 – $1,400 / MT 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 Haiyan Samax Import And Export Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Seamless Steel Tubes?
The supplier, Haiyan Samax Import And Export Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Seamless Steel Tubes. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Seamless Steel Tubes?
For international shipping and customs clearance, Seamless Steel Tubes 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 Seamless Steel Tubes from China?
To import Seamless Steel Tubes from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Haiyan Samax Import And Export Co., Ltd.. Ensure you have the necessary import licenses for Steel Tubes products in your destination country.
How can I check Haiyan Samax Import And Export Co., Ltd. before ordering?
Open the Haiyan Samax Import And Export Co., Ltd. company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Seamless Steel Tubes?
The key specifications for Seamless Steel Tubes supplied by Haiyan Samax Import And Export Co., Ltd. include ST35 (E235), ST35.8; also applicable: A53 Grade B, A106 Grade B, ST37-2 equivalent, Carbon steel with max C 0.17%, Mn 0.35-0.65%, Si max 0.35%, P max 0.035%, S max 0.035% (typical for ST35), and OD 6mm - 324mm; Wall thickness 1mm - 20mm; Length 6m / 12m or as required. 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 Seamless Steel Tubes?
Haiyan Samax Import And Export Co., Ltd. offers Seamless Steel Tubes with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Seamless Steel Tubes the most?
Seamless Steel Tubes is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Haiyan Samax Import And Export Co., Ltd. through our platform.
What certifications does this Seamless Steel Tubes supplier hold?
Haiyan Samax Import And Export Co., Ltd. maintains international quality certifications. These ensure that the Seamless Steel Tubes meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Seamless Steel Tubes on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Haiyan Samax Import And Export 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 Haiyan Samax Import And Export Co., Ltd..
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