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A.P.I Schedule Tube to BS4

DIMENSIONS AND WEIGHTS OF STEEL PIPE TO ANSI B 36: 10-79

Nominal Size Inches

Outside Diameter

Wall Thicknes

Weight

Identification

Inches

mm

Inches

mm

lbs/foot

kg/m

API Specifications

W.T.Std - XS XXS

No Schedule

5L
3/82

5LX
3/82

5LS
3/82

1/8

 0.405

10.3

0.068

1.73

0.24

0.37

X

STD

40

0.405

10.3

0.095

2.41

0.31

0.47

X

XS 

80

 1/4

 0.540

13.7

0.088

2.24

0.42

 0.63

X

STD

40

0.540

13.7

0.119

3.02

0.54

0.80

X

XS 

80

 3/8

0.675

17.1

0.091

2.31

0.57

0.84

X

STD

40

0.675

17.1

0.126

3.20

0.74

1.10

X

XS 

80

  1/2

 0.840

21.3

 0.109

3.73

1.09

1.27

X

STD

40

0.840

21.3

0.147

4.78

1.31

1.62

X

XS

80

0.840

21.3

0.188

7.47

1.71

1.95

0.840

21.3

0.294

2.77

0.85

2.55

X

XXS

160

3/4

1.050

26.7

0.113

2.87

1.13

1.69

X

STD

40

1.050

26.7

0.154

3.91

1.47

2.20

X

XS

80

1.050

26.7

0.219

5.56

1.94

2.90

1.050

26.7

0.308

7.82

2.44

3.64

X

XXS

160

 1

1.315

33.4

0.133

3.38

1.68

2.50

X

STD

40

1.315

33.4

0.179

4.55

2.17

3.24

X

XS

80

1.315

33.4

0.250

6.35

2.84

4.24

1.315

33.4

0.358

9.09

3.66

5.45

X

XXS

160

1 1/4

1.660

42.2

0.140

3.56

2.27

3.39

X

STD

40

1.660

42.2

0.191

4.85

3.00

4.47

X

XS

80

1.660

42.2

0.250

6.35

3.76

5.61

1.660

42.2

0.382

9.70

5.21

7.77

X

XXS

160

 1 1/2

1.900

48.3

0.145

3.68

2.72

4.05

X

STD

40

1.900

48.3

0.200

5.08

3.63

5.41

X

XS

80

1.900

48.3

0.281

7.14

4.86

7.25

1.900

48.3

0.400

10.15

6.41

9.56

X

XXS

160

Nominal Size Inches

Outside Diameter

Wall Thicknes

Weight

Identification

Inches

mm

Inches

mm

lbs/foot

kg/m

API Specifications

W.T.Std - XS XXS

No Schedule

5L
3/82

5LX
3/82

5LS
3/82

 2 

2.375

60.3

0.083

2.11

2.03

3.03

X

X

STD
XS
XXS

40
80
160

2.375

60.3

0.083

2.11

2.03

3.03

X

X

2.375

60.3

0.109

2.77

2.64

3.93

X

X

2.375

60.3

0.125

3.18

3.00

4.48

X

X

2.375

60.3

0.141

3.58

3.36

5.01

X

X

2.375

60.3

0.154

3.91

3.65

5.44

X

X

2.375

60.3

0.172

4.37

4.05

6.03

X

X

2.375

60.3

0.188

4.78

4.39

6.54

X

X

2.375

60.3

0.218

5.54

5.02

7.48

X

X

2.375

60.3

0.250

6.35

6.67

8.45

X

X

2.375

60.3

0.281

7.14

6.28

9.36

X

X

2.375

60.3

0.344

8.74

7.46

11.11

2.375

60.3

0.436

11.07

9.03

13.44

X

X

 2 1/2 

2.875

73

0.083

2.11

2.47

3.69

X

X

STD
XS
XXS

40
80
160

2.875

73

0.109

2.77

3.22

4.80

X

X

2.875

73

0.125

3.18

3.67

5.48

X

X

2.875

73

0.141

3.58

4.12

6.13

X

X

2.875

73

0.156

3.96

4.53

6.74

X

X

2.875

73

0.172

4.37

4.97

7.40

X

X

2.875

73

0.188

4.78

5.40

8.04

X

X

2.875

73

0.203

5.16

5.79

8.63

X

X

2.875

73

0.216

5.49

6.13

9.14

X

X

2.875

73

0.250

6.35

7.01

10.44

X

X

2.875

73

0.276

7.01

7.66

11.41

X

X

2.875

73

0.375

9.53

10.01

14.92

2.875

73

0.552

14.02

13.69

20.39

X

X

 3 

3.500

88.9

0.083

2.11

3.03

4.52

X

X

STD
XS
XXS

40
80
160

3.500

88.9

0.109

2.77

3.95

5.88

X

X

3.500

88.9

0.125

3.18

4.51

6.72

X

X

3.500

88.9

0.141

3.58

5.06

7.53

X

X

3.500

88.9

0.156

3.96

5.57

8.29

X

X

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