ASTM Pipes and Fittings

SCHEDULE 40

SCHEDULE 80

Nominal

Outstand in diameter

Wall Thickness

Wall Thickness

Dia in Inch

Min

Max

Avg.

Min

Max

Avg.

Min

Max

Avg.

0.004526

1/2"

21.2

21.4

21.3

0.233

0.27

0.252

0.293

0.327

0.31

0.004526

3/4"

26.6

26.8

26.7

0.311

0.36

0.336

0.401

0.446

0.424

0.004526

1"

33.3

33.5

33.4

0.46

0.522

0.491

0.597

0.656

0.627

0.004526

1 1/4"

42

42.3

42.15

0.626

0.709

0.667

0.823

0.902

0.862

0.004526

1 1/2"

48.1

48.4

48.25

0.743

0.84

0.0792

0.992

1.102

1.047

0.004526

2"

60.2

60.5

60.35

0.994

1.117

1.056

1.362

1.524

1.443

0.004526

2 1/2"

72.8

73.2

73 1.591

1.769

1.68

2.085

2.335

2.21

0.004526

3"

88.7

89.1

88.9

2.071

2.326

2.199

2.789

3.101

2.946

0.004526

4"

114.1

114.5

114.3

2.935

3.269

3.102

4.106

4.558

4.333