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| Product Name | Galvanized Steel Pipe / Square Hollow Section |
| Materials | Carbon Steel (Q195/Q235/Q345/S235JR/GR.B-D, etc.) |
| Standards | GB/T3091, BS 1387, DIN EN10025, EN10219, JIS G3444, ASTM A53 |
| Surface Treatment | Hot Dip Galvanizing / Black / Oiled |
| Zinc Coating | 30g-275g/m2 |
| Usage | Construction, Machinery, Pipeline Transport, Greenhouse, Water Systems |
| Factory Advantage | Large inventory, support customization, third-party inspection accepted |
By immersing steel products in zinc liquid, a zinc-iron alloy layer forms, greatly improving corrosion resistance and extending service life.


Widely used for plumbing, fire protection, gas pipes, petroleum industry, and chemical equipment. Excellent pressure resistance without deformation.


Advanced production lines ensure efficient output and stringent quality control. Products serve global markets including Southeast Asia, Middle East, and South America.



Terra Steel