Gi Hollow Tubes Specification
| Name | ERW Zinc Coating Square Steel Tube GI Hollow Section Steel Pipe |
| Surface | Galvanized (200-220g/m2 usual, can be requested by customer) |
| Material |
Q195,Q215,Q235,Q345 |
| MOQ | 5 tons for normal size and material |
| WT | As customer's requests |
| Payment terms | TT deposit + the balanced against BL copy / LC or 100% LC at sight |
| Trade terms | FOB,C&F,CIF,EXW |
| Length | fixed or random, as the customer requests. |
| End Treatment | Plain(can be threaded, punched, shrink, extended... ) |
| Lead time |
within 7 days from stock with 6m length (stock pipe with our factory name in Chinese),20-25 days for customized pipe according to the qty |
Galvanized Section Data
Product Chemical Composition&Mechanical properties
| Grade | Chemical Composition | Mechanical Properties | ||||||
| C | Mn | Si | S | P | Yield | Tensile | Elongati | |
| Strength Mpa | Strenth Mpa | -on % | ||||||
| Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≤0.045 | ≤0.05 | ≥195 | 315-430 | ≥33 |
| Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≤0.05 | ≤0.045 | ≥215 | 335-450 | ≥27 |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≤0.045 | ≤0.04 | ≥235 | 375-500 | ≥26 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≤0.04 | ≤0.04 | ≥345 | 470-630 | ≥22 |


FAQ
1. Q. Can we print our logo?
A. Yes, we provide OEM service.
2. Q. Do you provide samples?
A. Yes, we provide samples, and the fee will be returned to you when the order is confirmed.
3. Q. What are your products?
A. Galvanized seamless pipes, galvanized welded pipes, alloy boiler pipes, stainless steel welded pipes, and other steel pipes.
4. Q: What is the minimum order quantity of your products?
Answer: Generally it is 30 tons.
5. Q: What is the payment method?
A: Wire transfer, 30% down payment, 70% before shipment. Paypal or Western Union are also accepted.





