
Round Steel Pipe
Internally and externally coated spiral round steel pipe for large-diameter pressure fluid transport, water projects, oil and gas lines, and foundation casings.

Internally and externally coated spiral round steel pipe for large-diameter pressure fluid transport, water projects, oil and gas lines, and foundation casings.

Straight-seam round steel pipe with uniform wall thickness, accurate dimensions, easy fabrication, and cost-effective performance for structures and low-pressure fluid transfer.

Large-diameter thick-wall seamless round steel pipe with no weld seam, high pressure resistance, and strong performance for energy, chemical, machinery, and foundation projects.