Size
20
GA
19
GA
18
GA
17
GA
16
GA
15
GA
14
GA
13
GA
12
GA
11
GA
10
GA
9
GA
8
GA
in .035 .042 .049 .058 .065 .072 .083 .095 .109 .120 .134 .148 .165
3/8 x 1 x x x x x  
1/2 x 1 x x x x x x  
1/2 x 1 1/4 x x x x x x x
1/2 x 1 1/2 x x x x x x x x x x x  
5/8 x 1 x x x x x x
5/8 x 1 1/2 x x x x x
3/4 x 1 x x x x x x
3/4 x 1 1/2 x x x x x x x x x x  
3/4 x 2 x x x x x x x x x    
1 x 1 1/2 x x x x x x x x x x x  
1 x 2     x x x x x x x x x x  
1 x 2 1/4     x x x x x x x x
1 x 2 1/2     x x x x x x x x x  
1 x 3     x x x x x x x x x  
1 1/4 x 1 3/4     x x x x x x x x
1 1/4 x 2         x x x x x x x
1 1/4 x 2 1/4         x x x x x x  
1 1/4 x 2 1/2     x x x x x x x x x x  
1 1/4 x 2 3/4         x x x x x x x x x
1 1/4 x 3         x x x x x x x x x
1 1/4 x 3 1/2             x x x x x x x
1 3/8 x 2 1/4           x x x x x x x  
1 1/2 x 2       x x x x x x x x
1 1/2 x 2 1/4           x x x x x x
1 1/2 x 2 1/2       x x x x x x x x
1 1/2 x 3       x x x x x x x x
1 1/2 x 3 1/2               x x x x x x
1 1/2 x 4               x x x x x x
1 3/4 x 2 1/2           x x x x x x x x
1 3/4 x 2 3/4           x x x x x x x x
2 x 2 1/2           x x x x x x x x
2 x 3           x x x x x x x x
2 x 4           x x x x x x x x
2 1/2 x 3           x x x x x x x x
2 1/2 x 3 1/2           x x x x x x x x
2 1/2 x 4               x x x x x x
3 x 4               x x x x x x
Size
20
GA
19
GA
18
GA
17
GA
16
GA
15
GA
14
GA
13
GA
12
GA
11
GA
10
GA
9
GA
8
GA
in .035 .042 .049 .058 .065 .072 .083 .095 .109 .120 .134 .148 .165
Mechanical
Squares
Rectangles
Round Tubes
Coated
Air Heater Tube
Structural (HSS)
Capacity Charts
 
 
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