Gauge Of Sheet Metal Used For Air Condidtioning Ductwork

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Gauge of sheet metal used for air condidtioning ductwork.

Galvanized steel shall conform to astm a 653. M1601 1 1 above ground duct systems. As such it needs to be effective. While sheet metal has been one of the most commonly used materials for ductwork advances have opened the door to several other types of material that are also used to create ductwork.

Minimum yield strength for steel sheet and reinforcements is 30 000 psi 207 kpa. Your ductwork in angleton tx is the air delivery system for your air conditioner. 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. This measurement is for around duct smaller than 12 inches in diameter and a rectangular section no bigger than 8 inches.

One end of each piece is crimped for easy fitting of consecutive joints or to sheet metal fittings and flexible duct. 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. Suburban sheet metal ltd mailing address p o. 1 inch 25 4 mm 1 smacna sheet metal and air conditioning contractors national association recommended gages for circular ducts for heating and general ventilation work recommended gages for circular ducts for industrial exhaust work.

Round ducts and enclosed rectangular ducts 14 inches or less minimum thickness 0 0157 equivalent galvanized gauge size 28. Minimum thickness of metal duct material shall be as listed in table m1601 1 1 2.