Plate Gauge Thickness

Standard sheet and plate iron and steel decimal inch mm seem somewhat arbitrary.

Plate gauge thickness.

Corresponds to the standard steel thickness of 0 0329 inches 0 84mm. For other materials such as aluminum and brass the thicknesses will be different. Miscellaneous engineering related topics like beaufort wind scale ce marking drawing standards and more. Approximate thickness in decimal parts of an inch.

Approximate thickness in fractions of an inch. The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material. For 18 ga crs the weight is 2 0 pounds per square foot and for 20 ga crs the weight is 1 5 pounds per square foot. Gauge to thickness chart click here for a printable pdf chart gauge.

Because of the varying thicknesses a gauge chart should be used to ensure the metal meets the required dimensions. Originally used in the fields of medicine and jewellery the larger the number the smaller the diameter and now it is also used to indicate the thickness. The gauge thicknesses shown in column 2 u s. Even when the non ferrous metal plate and the steel plate are the same ga the thickness is actually different.

Gauge to thickness chart gauge stainless galvanized sheet steel aluminum fraction inches mm inches mm inches mm inches mm 30 0 0125 0 33 0 0157 0 40 0 0120 0 30 0 0100 0 25. This is known as the manufacturers standard gage for sheet steel. For the purpose of securing uniformity the following is established as the only standard gauge for sheet and plate iron and steel in the united states of america namely. The progression of thicknesses is clear in column 3 u s.

Thus a 10 gauge steel sheet which has a thickness of 0 1345 inches will weigh 41 82 0 1345 5 625 pounds per square foot. Number the thickness is actually different. The corresponding galvanized steel thickness is 0 0366 inches 0 93mm and the corresponding aluminum thickness is 0 028 inches 0 71mm. Weight per square foot.

Awg american wire gauge and circular mils awg diameter mil circular mil diameter in mm and area in mm 2. It should be noted that when the non ferrous metal plate and the steel plate are both at a certain ga. 16 ga crs is 2 5 pounds per square foot. Approximate thickness in millimeters.

Is different from inches there is no conversion formula. For example in one gauge system 18 gauge steel measures 0 0478 inches thick but 18 gauge aluminum is 0 0403 inches thick. 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.