UL 32:2004 pdf download.Metal Waste Cans.
5.7 Stnp steel used for legs and reinforcements shall be painted or plated to retard corrosion.
6 Seams and Joints
6.1 All seams or joints In the bottom and in the body shall be welded, brazed, or seamed and shall not
depend on soft solder alone for strength.
6.2 Acceptable types of formed seams are illustrated in Figures 4.1. 4.2. and 4.3.
6.3 Formed seams shall be not less than 114 inch (6.4 mm) in width and shall have a metal overlap of not less than 118 inch (3.2 mm).
6.4 The bottom and the lower 6 inches (152 mm) of the body shall prevent ol leakage. If the bottom and verhcal body joints are formed seams, they shall be sweated and soldered unless the can is galvanized after forming.
7 Rivets and Spot Welds
7.1 A rivet shall have a shank diameter of not less than 1/8 inch (3.2 mm), and shall not be headed over against sheet metal, If a can is galvanized after forming, an uncoated rivet may be used.
7.2 A rivet shall have a close hi in the rivet hole.
7.3 The head of a rivet on the Inside of a waste can withIn 6 inches (152 mm) of the bottom shall be sweated with solder unless the can is galvanized after the rivet is installed.
7.4 When spot welding is used for the attachment of any part, at least twice the number of welds shall be used as is required for a rivet. Spot welding shall not burn through sheet metal.
8 Body Reinforcements
8.1 The upper edge of the body shall be reinforced by hemming, rolling, wiring, or by some other method that provides stiffness.
8.2 If a waste can is supported by a sheet metal base, the bottom edge of the base shall be reinforced as required for the upper edge of the body.
6 Seams and Joints
6.1 All seams or joints In the bottom and in the body shall be welded, brazed, or seamed and shall not
depend on soft solder alone for strength.
6.2 Acceptable types of formed seams are illustrated in Figures 4.1. 4.2. and 4.3.
6.3 Formed seams shall be not less than 114 inch (6.4 mm) in width and shall have a metal overlap of not less than 118 inch (3.2 mm).
6.4 The bottom and the lower 6 inches (152 mm) of the body shall prevent ol leakage. If the bottom and verhcal body joints are formed seams, they shall be sweated and soldered unless the can is galvanized after forming.
7 Rivets and Spot Welds
7.1 A rivet shall have a shank diameter of not less than 1/8 inch (3.2 mm), and shall not be headed over against sheet metal, If a can is galvanized after forming, an uncoated rivet may be used.
7.2 A rivet shall have a close hi in the rivet hole.
7.3 The head of a rivet on the Inside of a waste can withIn 6 inches (152 mm) of the bottom shall be sweated with solder unless the can is galvanized after the rivet is installed.
7.4 When spot welding is used for the attachment of any part, at least twice the number of welds shall be used as is required for a rivet. Spot welding shall not burn through sheet metal.
8 Body Reinforcements
8.1 The upper edge of the body shall be reinforced by hemming, rolling, wiring, or by some other method that provides stiffness.
8.2 If a waste can is supported by a sheet metal base, the bottom edge of the base shall be reinforced as required for the upper edge of the body.
