1. The thickness of galvanized pipe in greenhouse should be above 3mm to be safe and reliable.

2. Coating thickness indoors or under good conditions: 0.007~0.0 10mm, outdoor or humid air: 0.0 10~0.020mm, very humid air or industrial atmosphere: 0.020 ~ 0.040mm.. ..

3. Galvanized pipes, also known as galvanized steel pipes, are divided into two types: hot galvanizing and electro-galvanizing. Thick hot dip galvanized coating, uniform coating, strong adhesion and long service life.