Duct Sheet Metal Thickness

The thinnest acceptable sheet metal for ductwork used in a single dwelling is 28 gage or 0 013 and 0 018 inches for galvanized and aluminum respectively. As per smacna the gauges of ducting sheet varies and depends upon the width of the duct and type of application of a particular project. Hvac systems dictate specific industry standards of thickness for various parts of the ductwork but the majority of dictates fall into the 6 mm range.

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Hvac Duct Construction Standards

Section I Sheet Metal Ducting Etc 1 Scope This Section

Hvac Duct Hvac Duct Sheet Metal Gauge

Shop Procedures

Rectangular Singlewall Duct Fittings Smc

Duct Construction 050507

Flange insert box with gasket.

Duct sheet metal thickness.

Leaf foil very thin 0 4 mm to 6 mm sheet metal and greater than 6 mm stock plate. Gauge of metal duct dimensions 5 joint 4 joint 2 5 joint 2 joint joint construction reinforcing 0 12 24 24 24 24 hemmed s drive none 13 26 24 24 24 24 tdf none 27 30 22 24. Minimum thickness of metal duct material shall be as listed in table m1601 1 1 2. M1601 1 1 above ground duct systems.

Click here for more. Galvanized steel shall conform to astm a 653. To see availability for this product personlog in or get online access. 20 in x 25 in x 16 in duct square to round.

Above ground duct systems shall conform to the following. Sheet metal duct pipe fittings. Sheet metal also comes in varying degrees of thickness. Corners sealed or whole joint sealed corners frame and seams longitudinal seams folded end connection with frame.

Kynar galvalume steel for metal roofing and gutters. 0 7 mm 0 8mm and 1 5 mm. Here are the few gauge system as per smacna standards. Round ducts and enclosed rectangular ducts 14 inches or less minimum thickness 0 0157 equivalent galvanized gauge size 28.

Sheet metal ducts and fittings with rectangular cross section similar to en 1505 1507 and din 18379 folded sheet metal ducts and fittings made of aluminium almg3 sheet thickness 1 0 mm and 1 2 mm. Sheet metal standards duct guage and enforcing for 3 w. Galvanized sheet thickness tolerance a 2 manufactures standard gage thickness uncoated steel a 3 stainless steel sheet thickness a 4 aluminum sheet thickness alloy 3003 h14 a 5 metric conversion chart a 6 duct surface area in square feet per lineal foot a 7 galvanized sheet weight a 8 approximate weight round duct in pounds per lineal foot a 10. Sheet metal measuring tools.

Search is the most efficient way to navigate the engineering toolbox. Low and medium velocity duct system. 26 gauge is use for the duct size below 300 mm 12 and thickness 0 5 mm. This measurement is for around duct smaller than 12 inches in diameter and a rectangular section no bigger than 8 inches.

Kynar aluminum for metal roofing. 0 027 or 0 032 for seamless gutters and any other thickness for custom gutters. Royal metal products 8 x 4 x 4 in. Sheet metal gauges used in ductwork engineering toolbox resources tools and basic information for engineering and design of technical applications.