Slotted Steel Pipe Specification

API Casing pipe

ID
mm

Length
m

Slot Length
mm

Slot No.
No./m

Slot width 
mm

Slot 
Tolerance

Valid Filter
Area
cm/m

Max.
Strength
KN

Spec

mm

Thickness
mm

Per Weight 
kg/m

60.32

5

6.84

50.3

3

80

200

0.3

±50

48

512.54

73.02

5.5

9.15

62

240

57.6

688.55

88.9

6.5

13.22

75.9

280

67.2

995.1

101.6

6.5

15.22

88.6

300

72

1151.2

114.3

7

18.47

100.3

10

320

76.8

1400.4

127

7.52

22.13

112

340

81.6

1673.8

139.7

7.72

25.11

124.3

360

86.4

1900.2

9.17

29.48

121.4

360

86.4

2232.4

168.3

8.94

35.09

150.4

400

96

2672.95

177.8

8.05

33.68

161.7

440

105.6

2559.2

9.19

38.19

159.4

440

105.6

2940.7

Slotted pipe dimension (in)

OD(mm)

Wall thickness(mm)

ID (mm)

Stitch number of each circle

Slot width(mm)

Slot length (mm)

Length(mm)

2-3/8″

60.3

4.83

50.64

12~18

0.2~0.8

45~100

1000~12000

2-7/8″

73

5.51

61.98

20~24

45~100

3-1/2″

88.9

6.45

76

24~28

45~100

4″

101.6

6.65

88.29

24~30

45~100

4-1/2″

114.3

5.69

102.92

24~30

45~100

6.35

101.6

45~100

7.37

99.57

45~100

8.56

97.18

45~100

5″

127

5.59

115.82

28~36

0.25~0.8

45~100

6.43

114.15

45~100

7.52

111.96

45~100

9.19

108.61

45~100

5-1/2″

139.7

6.2

127.3

30~38

45~100

6.99

125.73

45~100

7.72

124.26

45~100

9.17

121.36

45~100

10.54

118.62

45~100

7″

177.8

6.91

163.98

36~50

45~100

8.05

161.7

45~100

9.19

159.41

45~100

10.36

157.07

45~100