The product description
| 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 |
25days after receive ur deposits |
| Package |
- Through a bundle
- According to customer’s requirement
|
| Loading port |
Tianjin/Xingang |
Customer's benefit
What benefits do customers get：
- We are factory. (Our price will have an advantage over trading companies.)
- Don't worry about the delivery date. We are sure to deliver the goods in time and quality to achieve customer satisfaction.
Product detail
Thickness
Length
Diameter
gi pipe zinc coating
HDG pipe Zinc coating
diameter detail
Different from other factories
- We applied for and received 3 patents (Groove pipe, Shoulder pipe, Victaulic pipe).
- Port: Our factory is just 40 kilometers from Xingang port, the biggest port in the north of China.
- Our manufacturing equipment includes 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 3 hot-dipped galvanized process lines.
Packing and transport
Customer case
Australian customer purchase powder coating pre galvanized steel square tube. After customers receives the goods for the first time . Customer tests adhesive strength between the powder and the surface of the square tube .Customers test powder and square surface adhesion is small . We have meetings with customers to discuss this problem and we do tests all the time . we polished the surface of the square tube . Send the polished square tube to the heating furnace for heating . We tests all the time and discuss with customer all the time . We keep finding ways . After many tests, the final customer is very satisfied with the products. Now customer purchase a large number of products from factory every month.
Customer photos
The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection.
Frequently Asked Questions
What types of galvanized steel pipes do you offer?
We manufacture both Hot Dip Galvanized Steel Pipes and Pre-Galvanized Steel Pipes.
What are the range specifications for wall thickness and outer diameter?
Our steel pipes are available in wall thicknesses from 0.6mm up to 20mm, and outer diameters ranging from 1/2’’ (21.3mm) to 16’’ (406.4mm). Custom lengths from 1 to 14 meters are also supported.
What is the difference in zinc coating between your pre-galvanized and hot-dip galvanized pipes?
Pre-galvanized steel pipes feature a zinc coating of 40–220 G/M², while our hot dip galvanized steel pipes provide a thicker layer ranging from 220–350 G/M² for higher corrosion resistance.
What certifications and production standards do your steel pipes meet?
Our products comply with global standards including ASTM, DIN, JIS, and BS. We also hold ISO, BV, CE, and SGS certifications to ensure premium quality.
What are your standard payment terms and delivery time?
Our delivery time is typically 25 days after receiving the deposit. We accept 30% T/T deposit in advance with the remaining 70% balance due after receiving the B/L copy, as well as 100% irrevocable L/C at sight or within 20–30 days after B/L copy receipt.
Where is your factory located and what is your port of loading?
Our loading port is Tianjin/Xingang. Our factory is conveniently located just 40 kilometers from Xingang port, the largest port in Northern China, facilitating rapid shipping and transport.
Minjie Steel
