24 gauge 20 gauge 18 gauge and 16 gauge.
G90 galvanized sheet metal weight.
That is for g90 the coating on one square foot of sheet total coating both sides of the sheet weighs a minimum of 0 90 ounces.
Kynar galvalume steel for metal roofing and gutters.
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.
16 gauge 14 gauge 1 8 and 1 4.
Taking g90 as an example the coating weight on one square foot of sheet total both sides of the sheet shall have a triple spot test tst average minimum of 0 90 ounces.
The galvanized sheet coating parameters relate to the total for both sides of the sheet.
Designation system is given in terms such as g60 g90 etc.
48 oz 24 oz 20 oz and 16 oz.
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.
Batch galvanizing coating specifications are given in weight per surface area.
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.
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.