What Does G60 Mean?
G60 coating grade galvanized coil is the coating grade for steel sheets that went through the continuous hot-dip coating process. G stands for “galvanized” or zinc-coating of the product. The number 60 refers to the zinc thickness surrounding the steel sheet or the total dual-sided coating. To get the amount of zinc coating on one side, you need to divide the number by two.
Other coating grades in ASTM A653 are G30, G90, G115, G140, G165, G185, G210, G235, G300, and G360.
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