Characteristics of hot dip galvanized steel pipe
What is hot dip galvanized steel pipe?
Hot dip galvanized steel pipe is a new kind of steel pipe with good corrosion resistance. Compared with the ordinary steel pipe, it has a layer of zinc as a good outer protective film, which can effectively prevent pipe rust and corrosion, and extend the service life.
Generally speaking, after zinc plating, the outer layer of the pipe will form a very smooth outer protective film. However, the surface of the hot dip galvanized steel pipe is not smooth, but this does not affect its performance.
description
| Product | galvanized pipe, galvanized steel pipe, hot dipped galvanized steel pipe |
| Size | OD: 21.3mm ~ 406.4mm |
| Wall Thickness | 0.5mm ~ 20mm |
| Length Range | 0.3mtr ~ 18mtr, Ramdon Length, Fixed Length, SRL, DRL |
| Standard | GB/T 3091 Q195/Q215/Q235/Q345, BS 1387, EN 39, EN 1139 S235JR/S275JR, ASTM A53 GR. A/B/C, JIS G3444 STK 400/STK 500 |
| Zinc Coating | 120~500 g/m2 （30um~70um） |
Characteristics of hot dip galvanized steel pipe：
- The pure zinc layer has a dense and thick cover on the surface of the steel, which can avoid any corrosion solution from contacting the steel matrix and protect the corrosion of the steel matrix.
- It has the characteristics of thick and dense layer of iron zinc alloy and resistance to Marine salt spray atmosphere and industrial atmosphere corrosion.
- The strong combination, zinc-iron miscibility and strong wear resistance.
- Because the zinc coating has excellent ductility, so it can be formed by cold stamping, rolling, stretching, bending, etc., without damaging the coating.
- Hot dip galvanized, equivalent to annealing treatment. It can effectively improve the mechanical properties of steel matrix and eliminate the forming and welding stress of steel parts.
- The pure zinc layer of hot dip galvanized steel pipes is plastic. For pure zinc, it is basically close to the malleability of nature, so it is flexible..
- The zinc coating is passivated by chromic acid to form white, colorful, military green, etc., beautiful and generous, with certain decorative properties;
application:
- Transporting low pressure liquid, gas and heating
- Chemical and petroleum industry
- Building and structural material
- Mechanical and general engineering purposes
- Manufacturing of Bus Body, Railway Boogies
