Galvanized steel shall conform to astm a 653.
Gauge of sheet metal used for air condidtioning ductwork.
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.
Box 739 kennedale tx 76060 physical address 528 s.
M1601 1 1 above ground duct systems.
One end of each piece is crimped for easy fitting of consecutive joints or to sheet metal fittings and flexible duct.
This measurement is for around duct smaller than 12 inches in diameter and a rectangular section no bigger than 8 inches.
Above ground duct systems shall conform to the following.
Suburban sheet metal ltd mailing address p o.
Kennedale tx 76060 phone 817 478 0801 fax 817 483 6571 page 5 of 43 sheet metal standards duct guage and enforcing for 1 ess drive gauge of metal duct dimensions 5 joint 4 joint 2 5 joint 2 joint joint.
Minimum yield strength for steel sheet and reinforcements is 30 000 psi 207 kpa.
As such it needs to be effective.
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.
Your ductwork in angleton tx is the air delivery system for your air conditioner.
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.