Galvanized Sheet Metal Zinc Thickness

Kynar galvalume steel for metal roofing and gutters.

Galvanized sheet metal zinc thickness.

A coil to coil process steel sheets from 0 010 to 1 70 inches 0 25 mm to 4 30 mm thick and up to 72 inches 1 830 mm wide is passed as a continuous ribbon through cleaning baths and molten zinc at speeds up to 600 feet per minute. Click here for more. In a coating weight of 40 there are 0 4 ounces of zinc per square foot of steel and in 60 there are 0 6 ounces of zinc per square foot of steel. 0 027 or 0 032 for seamless gutters and any other thickness for custom gutters.

Sheet metal measuring tools. Garfield avenue los angeles ca 90040. 0 7 mm 0 8mm and 1 5 mm. These measurements are based on astm a924 924m 94 standard specification for general requirements for sheet steel metallic coated by the hot dip process formerly astma525.

To obtain the amount of zinc per unit area of surface the weight given must be divided in two assuming equal distribution on both sides. Use it as an alternative to lead for sound barriers and vibration dampers as well as for emi rfi shields and architectural sheeting. Kynar aluminum for metal roofing. For example an astm a653 class g90 sheet contains 0 90 oz ft 2 of zinc or about 0 45 oz ft 2 per side.

Gauge or gage sizes are numbers that indicate the thickness of a piece of sheet metal with a higher number referring to a thinner sheet. The z600 coating 42 µm on both sides can achieve a service life of up to 80 years. The corrosion resistance provided by the zinc coating is in direct proportion to the coating s thickness. The coating thickness ranges from an average of 7 µm on the zi00 sheet to 42 µm on the heaviest z600 sheet.

The thickness of the zinc coating is carefully controlled in the manufacturing process by air wiping the sheet as it comes out from the galvanizing bath. Initial cost will always be considered when. Continuous sheet galvanizing is also a hot dip process but is only applied to steel sheet strip and wire. And astma653 a653m 94 standard specification for sheet steel zinc coat galvanized or zinc iron alloy coated galvanized by the hot dip process.