Material
Prime newly produced ERW Square and Rectangular tubing according to
ASTM A 500, Grade A and B, Black or Galvanized Plain End

Square Size (IN)	Thickness (Ga.)	Rectangular Size (IN)	Thickness (Ga.)
Black
½ x ½	16	1 x ½	16
½ x ½	14	1 ½ x ¾	16
5/8 x 5/8	16	1 ½ x ¾	14
¾ x ¾	16	1 ½ x ¾	13
¾ x ¾	14	1 ½ x ¾	11
¾ x ¾	11	1 ½ x ¾	1/8
1 x 1	16	1 ½ x 1	16
1 x 1	14	1 ½ x 1	14
1 x 1	13	1 ½ x 1	13
1 x 1	11	1 ½ x 1	11
1 x 1	1/8	1 ½ x 1	1/8
1 ¼ x 1 ¼	16	1 ½ x 3	11
1 ¼ x 1 ¼	14	1 ½ x 3	3/16
1 ¼ x 1 ¼	13	1 x 2	16
1 ¼ x 1 ¼	11	1 x 2	14
1 ¼ x 1 ¼	1/8	1 x 2	13
1 ½ x 1 ½	16	1 x 2	11
1 ½ x 1 ½	14	1 x 2	1/8
1 ½ x 1 ½	13	2 x 4	13
1 ½ x 1 ½	11	2 x 4	1/8
1 ½ x 1 ½	1/8	2 x 4	8
1 ½ x 1 ½	3/16	2 x 4	3/16
2 x 2	16	2 x 4	11
2 x 2	14	2 x 4	1/4
2 x 2	13	3 x 2	11
2 x 2	11	3 x 2	1/8
2 x 2	1/8	3 x 2	8
2 x 2	8	3 x 2	3/16
2 x 2	3/16	3 x 2	1/4
2 x 2	¼	3 x 4	13
2 ½ x 2 ½	14	3 x 4	11
2 ½ x 2 ½	13	3 x 4	1/8
2 ½ x 2 ½	11	3 x 4	8
2 ½ x 2 ½	1/8	3 x 4	3/16
2 ½ x 2 ½	8	3 x 4	1/4
2 ½ x 2 ½	3/16	5 x 2	11
2 ½ x 2 ½	¼	5 x 3	3/16
3 x 3	14	3 x 6	3/16
3 x 3	13	3 x 6	1/4
3 x 3	11	4 x 8	3/16
3 x 3	1/8	4 x 8	1/4
3 x 3	8	4 x 8	5/16
3 x 3	3/16	4 x 8	3/8
3 x 3	¼	6 x 2	11
3 ½ x 3 ½	11	6 x 2	1/8
3 ½ x 3 ½	1/8	6 x 2	8
3 ½ x 3 ½	8	6 x 2	3/16
3 ½ x 3 ½	3/16	6 x 2	1/4
3 ½ x 3 ½	¼	4 x 6	8
4 x 4	14	4 x 6	3/16
4 x 4	11	4 x 6	1/4
4 x 4	1/8	4 x 6	5/16
4 x 4	8	4 x 6	3/8
4 x 4	3/16	4 x 10	3/8
4 x 4	¼	4 x 10	3/8
4 x 4	5/16	6 x 8	1/4
4 x 4	3/8	6 x 8	3/8
5 x 5	8	4 x 12	3/8
5 x 5	3/16	10 x 6	1/4
5 x 5	¼	10 x 6	5/16
5 x 5	5/16	10 x 6	3/8
5 x 5	3/8
6 x 6	3/16
6 x 6	¼
6 x 6	3/8
6 x 6	5/16
7 x 7	¼
7 x 7	3/8
7 x 7	5/16
8 x 8	¼
8 x 8	3/8
8 x 8	5/16
10 x 10	¼
10 x 10	3/8
10 x 10	5/16
12 x 12	3/8
12 x 12	5/16

Square Size (IN)	Thickness (Ga.)	Rectangular Size (IN)	Thickness (Ga.)
Galvanized		2 x 1	14
1 x 1	14	2 x 1	13
1 x 1	13	2 x 1	11
1 x 1	11	2 x 4	13
1 x 1	1/8	2 x 4	11
1 1/4 x 1 1/4	14	2 x 4	8
1 1/4 x 1 1/4	13	2 x 4	3/16
1 1/4 x 1 1/4	11
1 1/4 x 1 1/4	1/8
1 1/2 x 1 1/2	14
1 1/2 x 1 1/2	13
1 1/2 x 1 1/2	11
1 1/2 x 1 1/2	1/8
2 x 2	14
2 x 2	13
2 x 2	11
2 x 2	1/8
2 x 2	8
2 x 2	3/16
2 x 2	1/4
2 1/2 x 2 1/2	13
2 1/2 x 2 1/2	11
2 1/2 x 2 1/2	1/8
2 1/2 x 2 1/2	8
2 1/2 x 2 1/2	3/16
2 1/2 x 2 1/2	1/4
3 x 3	13
3 x 3	11
3 x 3	1/8
3 x 3	8
3 x 3	3/16
3 x 3	1/4