We will select the corresponding packaging method according to the different types of products. We will do our best to reduce the
loss in transportation.
Galvanized Steel Square Pipes Galvanized Steel Square Tube ERW weld steel pipe banding for Industrial
Galvanized Steel Square Tube
Hot dipped galvanized steel tube/gi steel pipe for greenhouse
1. Free samples can be provided as your request.
2. Before placing order,welcome to visit our factory;during producing,also welcome to inspect the goods.
3. Reasonable shipping and fast delivery.
4. Our company professional quality testing team and any third party testing.
Constituent of the material
Grade | C | Mn | Si | S | P | UTS(MPa) | YS(MPa) | EI(%) |
Q235B | 0.12-0.20 | 0.30-0.70 | 0.30 | 0.045 | 0.045 | 375-500 | 235 | 26 |
Q345B | 0.12-0.20 | 1.20-1.60 | 0.20-0.55 | ≤0.045 | ≤0.045 | 510-600 | 345 | 22 |
20#(GB) | 0.17-0.23 | 0.38-0.65 | 0.17-0.37 | ≤0.030 | ≤0.030 | 410-550 | ≥245 | ≥20 |
Production process