About Zhejiang Nanhua Steel Tube Manufacturing Co., Ltd - Stainless Steel Pipes & Pipe Fittings Supplier in China

Based in China, Zhejiang Nanhua Steel Tube Manufacturing Co., Ltd lists five active products in its catalogue. The company focuses on stainless steel pipes and pipe fittings as well as carbon steel pipes. Its product titles include seamless stainless steel pipe, stainless steel pipe, steel pipe, steel pipes and stainless steel seamless tube. These items fall under the HS chapter 73 for iron and steel products, specifically the HS code family 7304 for steel tubes and pipes. The catalogue does not specify additional certifications, so buyers typically verify standard industry certifications during procurement.

The stainless steel entries are generally produced to standards such as ASTM A312 or EN 10216, which cover seamless and welded tubes for pressure applications. Carbon steel pipe offerings are commonly supplied to ASTM A53 or API 5L specifications for structural and pipeline use. Typical dimensions range from 6 mm to 508 mm nominal diameter with wall thicknesses matching standard schedules. Products are usually supplied in bundled coil or cut‑to‑length form, ready for loading into 20‑ft or 40‑ft containers. Export documentation generally includes a mill test report and a commercial invoice.

Product Range and Specialties of Zhejiang Nanhua Steel Tube Manufacturing Co., Ltd

The catalogue covers seamless stainless steel pipe, stainless steel pipe, stainless steel seamless tube, steel pipe and steel pipes. In the stainless steel segment, buyers frequently select grades 304, 316 or 321, which provide corrosion resistance for water, chemical and food processing lines. These tubes are supplied in both welded and seamless conditions, meeting ASTM A312 TP 304/316 standards and often conform to EN 10220 for dimensions. Carbon steel pipe listings are typically produced from grades such as A53 Gr B, API 5L X42 or X52, suitable for oil‑gas transport and structural frameworks. Industry buyers also look for compliance with pressure class ratings (e.g., PN10‑PN40) and may request surface treatments like galvanizing or epoxy coating.

Trade and Export Information - Zhejiang Nanhua Steel Tube Manufacturing Co., Ltd

China is a major exporter of steel tubes and pipes, with the HS code 7304 covering most of the products listed by Zhejiang Nanhua. Major import destinations include Southeast Asian countries, the Middle East, Eastern Europe and Africa, where the construction, water‑distribution and oil‑and‑gas sectors drive demand. Buyers usually require documentation such as an ISO 9001 quality management certificate, a CE Declaration of Conformity for EU markets, and compliance with the PED directive where pressure equipment is involved.

Standard shipping arrangements involve loading the coils or cut‑length bundles into 20‑ft or 40‑ft containers, with freight terms often expressed as FOB Shanghai or CIF destination port. Inspection agencies like SGS or Bureau Veritas may be engaged to perform pre‑shipment verification of dimensions, chemical composition and mechanical properties. Export licences for steel products are generally not required in China, but customs declarations must reference the correct HS code and include the commercial invoice, packing list and mill test report.

Sourcing from Zhejiang Nanhua Steel Tube Manufacturing Co., Ltd - Buyer Guidance

When sourcing from Zhejiang Nanhua, buyers should request the latest mill test report that details chemical analysis, tensile strength, yield strength and hardness for each grade. Verification of compliance with ASTM A312 for stainless steel or ASTM A53/API 5L for carbon steel helps confirm suitability for pressure or structural applications.

Samples cut to the required length and diameter are advisable before confirming bulk orders, especially to assess surface finish and dimensional tolerance. Buyers should also confirm the supplier’s ability to meet packaging requirements such as wooden crates, steel drums or bulk coil wrapping, and clarify the minimum order quantity, which typically starts at one 20‑ft container for standard pipe sizes.

What product codes or HS codes apply to the pipes listed by Zhejiang Nanhua?

The pipes fall under HS chapter 73, specifically HS code 7304 which covers steel tubes, pipes and hollow profiles. This code is used in customs declarations for both seamless and welded steel pipe exports.

Which stainless steel grades are commonly available for the seamless pipe products?

Typical grades include SS304, SS316 and SS321, supplied to ASTM A312 or EN 10216 specifications. These grades provide corrosion resistance for water, chemical and food‑processing applications.

What certifications should a buyer request for these steel pipe products?

Buyers usually ask for an ISO 9001 quality management certificate and a mill test report that details chemical composition and mechanical properties. For shipments to the European Union, a CE Declaration of Conformity or PED compliance is also commonly required.

What are the typical dimensions and wall thicknesses offered?

Standard nominal diameters range from 6 mm to 508 mm with wall thicknesses matching standard schedules such as Schedule 40 or pressure classes PN10‑PN40. Lengths are typically offered in 6 m or 12 m cuts, but custom lengths can be arranged.

What is the usual minimum order quantity and container loading?

Most exporters ship in full 20‑ft or 40‑ft containers, and the minimum order often corresponds to one full container load for standard pipe sizes. Smaller quantities may be consolidated if the buyer agrees to a mixed‑load shipment.

What lead times are typical for production and shipment?

Lead times generally range from 30 to 45 days from order confirmation, depending on the grade, dimensions and any required surface treatment. Expedited production may be possible for an additional surcharge, which should be discussed directly with the supplier.

How are the pipes packaged for export?

Packaging options include bundling coils on wooden pallets, crating cut‑to‑length sections with steel straps, and protective wrapping to prevent corrosion during transit. Export packs are designed to fit standard 20‑ft or 40‑ft containers and comply with international shipping regulations.