Corrugated steel roofing sheet
1. Breif introduction of roofing sheet:
Color steel plates are made by cold rolled galvanized steel sheet, then treated by degressing,phosphating, chromated and others. coated with organic fluorine resin coating..
They are manufactured through a continuous baking and a variety of profiling machine.
2. The specification of the roofing sheet:
1. Length: 1m to 12m
2.Effective width: 665mm to 980mm
3.Color: navy blue,white grey or any RAL colors
4.Thickness: 0.2 mm to 0.6 mm
5.Hardness: 60HRB to 90HRB
6.Strength Tensile: 400mpa to 550mpa
7.Zinc coating: 60g/m2 to 275g/m2
8.Standard: ASTM A653, JIS G3312
9.Top coating: 18um to 25um Back coating:5um to 10um
10.Certification:ISO9001:2000
11.HS code:7210700000
3.The advantages of the roofing sheet:
a:waterproof and fireproof: it is made by color steel and can be applicative in 500
b:anticorrosion:it is made by zinc or aluzinc coating hot dippped steel
c:its coating has good adhesion,high tenacity,can use more than 30 years
4.Application of the roofing sheet :
They are used as the roofing sheet of the factory,residential house,steel structure...
5. Packing