Gauge Sizes Of Sheet Metal

Kynar galvalume steel for metal roofing and gutters.

Gauge sizes of sheet metal.

26 gauge 24 gauge 20 gauge 18 gauge 16 gauge 14 gauge 1 8 and 1 4. The gauge number 18 holds no relevance to the actual measurements. 0 027 or 0 032 for seamless gutters and any other thickness for custom gutters. 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.

0 7 mm 0 8mm and 1 5 mm. Charts for aluminum steel stainless steel and galvanized steel sheet are presented here with thicknesses ranging from 1 64 to 1 4 inch. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. 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. If the plain metal sheet is glued to a solid substrate such as steel heavy plywood or particle board then 20 gauge 0 040 or 1 00 mm stainless steel is sufficient. For an identical application in brass alloys which are softer materials we recommend to specify nothing less than 18 or 16 gauge 0 050 or 0 060 1 20 mm or 1 50 mm. Kynar aluminum for metal roofing.

The charts include fractional decimal and metric dimensions for reference.