Kynar galvalume steel for metal roofing and gutters.
G90 galvanized sheet metal weight.
The standard product is class g90 which has 0 9 oz ft 2 of sheet total both sides or about 0 76 mils 18 µm thickness per side.
48 oz 24 oz 20 oz and 16 oz.
Hot dip galvanizing is the process of coating iron or steel with a thin zinc layer by passing the steel through a molten bath of zinc at a temperature of around 860 f 460 c.
When exposed to the atmosphere pure zinc reacts with oxygen to form zinc oxide which further reacts with carbon dioxide to form zinc carbonate a dull grey fairly strong material that stops further.
Sheet steel galvanized steel stainless steel aluminum strip tubing inches gauge decimal inches weight lb ft 2 gauge decimal inches weight lb ft 2 gauge decimal inches weight lb ft 2 gauge decimal inches weight lb ft 2 gauge decimal inches 44.
24 gauge 20 gauge 18 gauge and 16 gauge.
If equally applied to both sides of the sheet there would be a minimum of 0 45 ounces on each surface.
26 gauge 24 gauge 20 gauge 18 gauge 16 gauge 14 gauge 1 8 and 1 4.
Designation system is given in terms such as g60 g90 etc.
Cold and hot rolled steel.
The galvanized sheet coating parameters relate to the total for both sides of the sheet.
These numbers refer to the weight mass in si units of zinc on the surface of the steel sheet in inch pound english or imperial units of measurement.
Batch galvanizing coating specifications are given in weight per surface area.