Import Duplex Stainless Steel Pipe — Buy in Bulk from Supplier in China

The seamless duplex stainless steel pipe produced by Zhejiang Qiangli Stainless Steel Manufacture Co., Ltd is fabricated using either a cold‑drawn or cold‑rolled process, which enhances its mechanical performance. The product is offered in a selection of diameters and wall thicknesses designed to meet diverse engineering requirements. Its duplex microstructure delivers a balance of high strength and resistance to stress corrosion cracking, especially in chloride‑rich environments. The supplier asserts compliance with international standards through its quality certifications.

Standard duplex grades such as UNS S32205 and UNS S32750 are commonly employed for high‑pressure service, offering typical tensile strengths of 620 - 880 MPa and yield strengths around 450 - 600 MPa. Industry practice provides outer diameters from 15 mm up to 1 000 mm and wall thicknesses between 2 mm and 50 mm, though exact dimensions should be confirmed for each order. Typical surface finish after cold drawing is a smooth, mill‑finish that aids in downstream coating or welding operations. The pipe’s corrosion resistance is rated for seawater exposure and chemical processing streams, aligning with the supplier’s claim of pitting and crevice resistance.

Major users include petrochemical plants, offshore platforms and power generation facilities that require long‑term durability under aggressive conditions. Buyers should negotiate minimum order quantities, packaging format (bundled coils or straight lengths) and shipping options such as FOB Ningbo or CIF to the destination port. Trade conditions, including payment schedule and lead‑time expectations, are to be finalized directly with the manufacturer.

Zhejiang Qiangli Stainless Steel Manufacture Co., Ltd is situated at No.209 Ruiyang Road, Xiping Industrial Zone, Songyang County, Lishui, Zhejiang Province, China. The company is listed as an imported‑tier supplier with a harbor trust tier, indicating basic compliance verification. Its profile shows a 0 % response rate and no average response time, meaning that communication may need persistent follow‑up.

The manufacturer highlights seamless duplex stainless steel pipe as its core offering and notes adherence to international quality standards. No specific ISO certificate numbers, production capacity or client references are provided, so prospective buyers should request detailed technical data sheets, mill test reports and, if necessary, arrange a factory audit before committing to large orders.