| Product name | Hot Dip Galvanized Steel Pipe/Pre-Galvanized Steel Pipe |
| Wall Thickness | 0.6mm--20mm |
| Length | 1--14m According to customer requirements ... |
| Outer Diameter | 1/2’’(21.3mm)---16’’(406.4mm) |
| Tolerance | Tolerance based on Thickness: ±5~±8% |
| Shape | Round |
| Material | Q195---Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387...... |
| Surface treatment | Galvanized |
| Zinc coating | Pre-galvanized steel pipe: 40--220G/M2; Hot dip galvanized steel pipe: 220--350G/M2 |
| Standard | ASTM, DIN, JIS, BS |
| Certificate | ISO, BV, CE, SGS |
| Payment terms | 30% T/T deposit in advance, 70% balance after B/L copy; 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L copy 20--30days |
| Delivery times | 25 days after receive ur deposits |
| Package |
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| Loading port | Tianjin/Xingang |
Thickness
Length
Diameter
gi pipe zinc coating
HDG pipe Zinc coating
diameter detail
Pre-galvanized steel pipes feature a zinc coating layer of 40 to 220 G/M², while Hot Dip Galvanized (HDG) steel pipes offer a heavier protective zinc layer ranging from 220 to 350 G/M² for enhanced corrosion resistance.
We offer outer diameters ranging from 1/2’’ (21.3mm) to 16’’ (406.4mm) with wall thicknesses from 0.6mm up to 20mm. Custom pipe lengths from 1 to 14 meters are available upon request.
Our standard terms are a 30% T/T deposit in advance, with the remaining 70% balance due after receiving the B/L copy. We also accept 100% Irrevocable L/C at sight, or 100% Irrevocable L/C 20-30 days after the B/L copy receipt.
We load shipments at Tianjin/Xingang port. The standard delivery timeline is within 25 days after we receive your deposit payment.
As a direct factory, we offer highly competitive pricing compared to trading companies. Additionally, we regularly coordinate with clients regarding steel market prices, helping them purchase strategically when market rates drop.
Yes, our steel pipes hold ISO, BV, CE, and SGS certifications. We welcome customers to visit our factory for on-site quality inspection after the production process is finished.