24/04/2026
🔥 Factory Direct Carbon Steel Square Pipe – Premium Quality for Industrial & Construction Projects
Looking for a reliable supplier of carbon steel square pipe for your next project?
We supply high-quality carbon steel square tubes with complete ISO 9001 certification and official mill test reports.
✅ Grades: Q195, Q235, Q355, SS400, SPHC
✅ Size: 10×10mm – 400×400mm
✅ Wall thickness: 0.6mm – 12.0mm
✅ Surface: Black finish, pickled & oiled, galvanized available
✅ Export seaworthy packing, suitable for long-distance shipping
We support bulk orders, customized sizes and stable supply for distributors, importers, construction and engineering projects worldwide.
🚀 Get your quotation and FREE sample today — direct factory supply, no middle agents, competitive price.
📩 Contact Now
🟢 WhatsApp: +86 133 7147 0473
Email: [email protected]