Import Astm A53 Welded Erw Black Steel Tube — Buy in Bulk from Supplier in China

Threeway Steel Co., Ltd. supplies ASTM A53 welded ERW black steel tubes manufactured to ASTM A53 standards, covering seamless and welded variants for structural and mechanical use. The listed range spans outer diameters from 10mm to 457mm with wall thicknesses between 0.5mm and 20mm, providing flexibility for diverse project demands. Each tube is finished as black steel, suitable for applications where a plain, uncoated surface is required.

The material is carbon steel, with typical Grade A or B composition under ASTM A53, offering good weldability and tensile strength for industrial environments. These tubes are commonly used in construction, plumbing, and manufacturing, where robustness and adaptability to welding are critical. Standard industry practice for black steel tubes includes a smooth, scale-free surface with typical mill tolerances on diameter and wall thickness per ASTM A53 specifications.

Importers source these tubes for structural frameworks, fluid conveyance, and general engineering in sectors like oil and gas, HVAC, and infrastructure. The tubes are shipped in bundles, with the supplier’s stated capability to accommodate varying project specifications. Buyers confirm packaging, bundle weight, and protective measures during transit, as these are not specified in the listing. The product’s versatility makes it a staple for contractors and fabricators requiring reliable, cost-effective steel tubing.

Threeway Steel Co., Ltd. is based in Changsha, Hunan, China, with its office located at 22nd Floor, Royal Wing Tower, Long Champ. The company operates as an imported-tier supplier, indicating a focus on serving international buyers. Its trust tier is classified as harbor, reflecting a baseline level of verification within the marketplace’s supplier assessment system.

The supplier’s profile does not disclose a response rate or average response time, which means buyers should proactively reach out for inquiries. The listing emphasizes the product’s compliance with ASTM A53 standards and its suitability for industrial applications, but no additional details about production capacity, certifications, or client history are provided. Buyers are advised to confirm these specifics directly with the supplier.