Hot Dip Galvanized Steel Pipe 114mm
Outer Diameter:13-266.6mm
Thickness:0.5-2.5mm
Length:1-12m
Description
Product Specification：
Specification | Outer Diameter | 13-266.6mm |
Thickness | 0.5-2.5mm | |
Length | 1-12m | |
Technique | Pre-galvanized or hot-dipped galvanized | |
Steel grades | Q195, Q235, Q355 | |
Application | Used For Structure, Accessorize And Construction | |
Package | in the bundle, or wrapped with waterproof cloth as per the customers' requirement | |
Delivery Time | 10 days if stock is available; 30 days for new production | |
Loading Port | Xingang, Tianjin, China | |
MOQ | 25 tons | |
Others | 1. All the pipes are high-frequency welded. | |
2. Both inner and outer welded stabs can be removed. | ||
3. Special design available according to requirements. | ||
4. Pipe can be necked down and punched holes. | ||
5. Supplying BV or SGS Inspection if the client needs it. | ||
What is the difference between a galvanized steel pipe and a hot-dip galvanized steel pipe?
1. Different working methods
(1) Galvanized steel pipe: The zinc in cold-dip galvanized steel pipe is zinc obtained through electroplating at room temperature.
(2) Hot-dip galvanized steel pipe: The zinc in hot-dip galvanizing is obtained at 450 degrees Celsius to 480 degrees Celsius.
2. Different adhesion
The adhesion of cold-dip galvanized steel pipes is much worse than that of hot-dip galvanized steel pipes because the steel pipe matrix and zinc layer of cold-dip galvanized steel pipes exist independently. The zinc layer is very thin and is simply attached. On top of the steel pipe base, the cold-dip galvanized steel pipe can easily fall off.
3. Different processes
(1) Galvanized steel pipe: Using the electroplating process, only the outer wall of the steel pipe is galvanized, and the inner wall of the steel pipe is not galvanized.
(2) Hot-dip galvanized steel pipes: Hot-dip galvanized steel pipes use the hot-dip galvanizing process. The inner and outer walls of the steel pipes have zinc layers. The state has made relevant regulations that cold-dip galvanized steel pipes cannot be used as gas pipes and water pipes. The corrosion resistance of galvanized steel is too poor, and the zinc layer can easily fall off. Its use has been banned by the country due to potential safety hazards.
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