Q:

# What are some different sheet metal gauges?

A:

A gauge of three, the lowest for most standard sheet metals, represents one-quarter-inch thick (6.35 millimeters) stainless steel, or 0.23 inch (5.82 millimeters) thick aluminum, while a gauge of 36 equals 0.007 inch (0.18 millimeter) thick stainless steel. Higher gauges indicate thinner sheet metal.

## Keep Learning

The gauge, also spelled gage, is a set standard for the thickness and weight of sheet metals. Gauges differ between iron and iron-based metals like steel and other metals like aluminum or brass. A sheet of steel is slightly thicker than a sheet of aluminum of the same gauge, while the same gauge of zinc is much thinner than either. Zinc sheet metal of a gauge of three is only 0.006 inches (0.15 millimeter) thick. The lowest gauges, zero to 0000000, are only used for heavy steel sheets and iron plates between 0.31 to 0.50 inch thick, while the highest standard gauge of 38 refers to steel that is 0.006 inches (0.15 millimeter) thick.

According to standards organizations such as the American Society for Testing and Materials, designating sheet metal thickness by gauge is an outdated and discouraged system, as different manufacturers have different standards for how many decimal points to use when calculating the gauge. For this reason, manufacturers now prefer to define sheet metal thicknesses by exact measurements in millimeters.

Sources:

## Related Questions

• A: Since 1 inch equals 2.54 centimeters and 12 inches equals 1 foot, then 1 foot is equal to 30.48 centimeters. Conversely, 1 centimeters is equal to 0.3937 i... Full Answer >
Filed Under:
• A: According to the CSG Network, 1 centimeter equals 0.39 inches, meaning that there are exactly 2.56 centimeters in an inch. An easy method of conversion is ... Full Answer >
Filed Under:
• A: One inch of water, as measured using a pressure gauge at four degrees Celsius, is equivalent to 0.036127291827 pounds per square inch (PSI). This conversio... Full Answer >
Filed Under:
• A: The thickness of standard 10 gauge steel is 0.1345 inches. The gauge numbers of alloys such as steel refer to the thickness of a sheet piece. However, the ... Full Answer >
Filed Under:
PEOPLE SEARCH FOR