ERW Steel Pipe Sizes

ERW steel tube - sizes

Dimensions

SWG

20

19

18

16

14

13

12

11

10

Inches o/d

mm

0.9

1.0

1.2

1.5

2.0

2.3

2.5

3.0

3.2

3/8

9.5

x

x

x

1/2

12.7

x

x

x

5/8

15.9

x

x

x

x

x

3/4

19.1

x

x

x

x

x

7/8

22.2

x

x

x

x

x

1

25.4

x

x

x

x

x

x

x

x

1 1/8

28.6

x

x

x

x

1 1/4

31.8

x

x

x

x

x

x

1 3/8

34.9

x

x

x

1 1/2

38.1

x

x

x

x

x

x

1 5/8

41.3

x

x

x

1 3/4

44.5

x

x

x

x

x

x

1 7/8

47.6

x

x

x

2

50.8

x

x

x

x

x

x

2 1/8

53.9

x

x

x

2 1/4

57.2

x

x

x

2 3/8

60.3

x

x

2 1/2

63.5

x

x

x

x

x

x

3

76.2

x

x

x

x

3 1/2

88.9

x

x

4

101.6

x

x

x

x

4 1/2

114.3

x

x

5

127.0

x

x

6

152.4

x

x

x

Dimensions

SWG

20

19

18

16

14

13

12

11

10

Inches

mm

0.9

1.0

1.2

1.5

2.0

2.3

2.5

3.0

3.2

1/2 x 1/2

12.7 x 12.7

x

x

5/8 x 5/8

15.9 x 15.9

x

x

3/4 x 3/4

19.1 x 19.1

x

x

x

x

x

7/8 x 7/8

22.2 x 22.2

x

x

x

x

1 x 1

25.4 x 25.4

x

x

x

x

x

1 1/8 x 1 1/8

28.5 x 28.5

x

x

1 1/4 x 1 1/4

31.8 x 31.8

x

x

x

1 1/2 x 1 1/2

38.1 x 38.1

x

x

x

x

x

2 x 2

50.8 x 50.8

x

x

Dimensions

SWG

20

19

18

16

14

13

12

11

10

Inches

mm

0.9

1.0

1.2

1.5

2.0

2.3

2.5

3.0

3.2

1 x 1/2

25.4 x 12.7

x

x

1 3/8 x 5/8

34.9 x 15.9

x

x

x

1 1/2 x 3/4

38.1 x 19.1

x

x

x

2 x 1

50.8 x 25.4

x

x

x

x

x

2 1/2 x 1 1/2

63.5 x 38.1

x