Hvac Sheet Metal Gauge

A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.

Hvac sheet metal gauge.

Galvanized sheet metal ducts from the duct shop s hvac ductwork is manufactured from high quality galvanized steel in 3 foot lengths for easy handling. As the gauge number increases the material thickness decreases. Galvanized steel flat sheet can be cut to size for a tough hvac job that requires a customized fitting. One end of each piece is crimped for easy fitting of consecutive joints or to sheet metal fittings and flexible duct.

The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter. Sounds to me that the guy with the 30 gauge may be buying it from a supply house who sells it pre made i dont know to many sheet metal shops who make duct work in 30 i prefer 26 myself and think a sheet metal shop that makes it in house is much better than the pre made. Ductwork sheet metal gauges.

This sheet of 30 gauge galvanized steel has a maximum temperature rating of 390. Shop for sheet metal duct pipe fittings at ferguson. Sheet metal gauge size chart 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. Sheet metal thickness gauges for steel are based on a weight of 41 82 pounds per square foot per inch of thickness.

This is known as the manufacturers standard. The master flow 36 in. Equivalent diameter rectangular and circular hvac ducts equivalent diameter for rectangular and circular ducts air flows between 100 50000 cfm tag search en.