Import Galvanized Square Steel Pipe/Tube — Buy in Bulk from Supplier in China

The product is a galvanized square steel pipe or tube supplied by Shinestar Group-Threeway Steel Co., Ltd. in China. It is manufactured from hot‑rolled carbon steel and the exterior is coated with zinc to provide corrosion resistance. The pipes conform to international standards including ASTM A500, ASTM A53, EN 10210, EN 10219 and JIS G 3466, which are commonly required for structural applications. The square cross‑section delivers high load‑bearing capacity compared with round sections.

Typical dimensions range from 25 mm to 200 mm side width with wall thicknesses between 2 mm and 6 mm, although custom sizes can be produced on request. The standard length is 6 m with a length tolerance of ±10 mm, and the zinc coating weight is usually about 275 g/m², providing a typical protection level against atmospheric corrosion. Grade B of ASTM A500 is often used for these pipes, delivering a minimum yield strength of 240 MPa. Such specifications align with industry practice for building frames, scaffolding and mechanical supports.

Primary users include construction contractors, automotive manufacturers and fabricators who need reliable structural members. Shinestar offers flexible minimum order quantities and ships under FOB or CIF terms, with payment options such as L/C or T/T, but exact MOQ and lead time should be confirmed directly. Buyers are encouraged to request mill test certificates and verify compliance with the cited standards before finalising the purchase.

Shinestar Group-Threeway Steel Co., Ltd. operates from the 22nd Floor, Royal Wing Tower Long Champ International Building No.9 Xiangfu Road, Changsha, Hunan 410004, China. The supplier is listed as an imported tier with a harbour trust tier, indicating platform verification, although the current response rate is recorded as 0.00, meaning no recent replies have been logged.

The company’s catalogue focuses on galvanized square steel pipes and tubes that meet a range of international standards. No additional claims about production capacity, certifications beyond the listed ISO compliance, or client references are provided in the listing.