Download our PDF Catalog of Tubing Sizes
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ASTM A-554 Specifications
Tubing Size Range
Round
Squares
Rectangles
Elliptical
Flat Oval
Special Shapes
Round
Size
22ga
20ga
18ga
16ga
14ga
12ga
11ga
.500"
.619"
.625"
.687"
.750"
.840"
.854"
.866"
.875"
.937"
.940"
1.000"
1.030"
1.035"
1.060"
1.062"
1.070"
1.080"
1.121"
1.125"
1.187"
1.250"
1.312"
1.375"
1.490"
1.500"
1.625"
1.750"
1.875"
1.900"
2.000"
2.080"
2.250"
2.375"
2.500"
2.562"
3.000"
4.000"
5.000"
Squares
Size
22ga
20ga
18ga
16ga
14ga
12ga
11ga
.375"
.496"
.500"
.625"
.725"
.730"
.750"
.835"
.860"
.875"
1.000"
1.125"
1.250"
1.375"
1.500"
1.625"
1.750"
1.875"
2.000"
3 "
4 "
Rectangles
Size
22ga
20ga
18ga
16ga
14ga
12ga
11ga
.244" x .944"
.250" x .500"
.250" x 1.000"
.250" x 2.000"
.308" x .995"
.308" x 1.497"
.312" x .500"
.312" x 1.500"
.315" x 1.382"
.322" x .885"
.370" x 1.365"
.375" x .500"
.375" x .625"
.375" x .750"
.375" x .875"
.375" x 1.000"
.375" x 1.125"
.375" x 1.375"
.375" x 1.500"
.375" x 2.000"
.385" x .885"
.390" x 1.015"
.394" x .984"
.394" x 1.185"
.500" x .375"
.500" x .625"
.500" x .750"
.500" x .875"
.500" x 1.000"
.500"
