Pipe
/ Drop Pipe /Riser 
Dimensions of Casing Pipe
Dimensions of Casing Pipe
| Nominal Diameter (DN) |
Mean Outer Diameter (d) of Pipe (mm) | Mean Outer Diameter over Connection, (ds) (mm) | Wall Thickness, (s) (mm) | ||||||
| Type-CM | Type-CS | ||||||||
|
Inches
|
mm
|
Min.
|
Max.
|
CM
|
CS
|
Min.
|
Max.
|
Min.
|
Max.
|
|
1½
|
40
|
48.00
|
48.20
|
52.00
|
-
|
3.50
|
4.00
|
-
|
-
|
|
2
|
50
|
60.00
|
60.206
|
6.00
|
-
|
4.00
|
4.60
|
-
|
-
|
|
3
|
80
|
88.00
|
88.30
|
94.00
|
-
|
4.00
|
4.60
|
-
|
-
|
|
4
|
100
|
113.00
|
113.30
|
120.00
|
-
|
5.00
|
5.70
|
-
|
-
|
|
*4½
|
115
|
125.00
|
125.40
|
132.00
|
-
|
5.00
|
5.70
|
-
|
-
|
|
5
|
125
|
140.00
|
140.40
|
150.00
|
*148.00
|
6.50
|
7.30
|
*5.00
|
5.70
|
|
6
|
150
|
165.00
|
165.40
|
178.00
|
174.00
|
7.50
|
8.50
|
5.70
|
6.50
|
|
*6½
|
165
|
180.00
|
180.50
|
193.00
|
189.00
|
7.50
|
8.50
|
5.70
|
6.50
|
|
7
|
175
|
200.00
|
200.50
|
215.00
|
211.00
|
8.80
|
9.80
|
7.00
|
7.80
|
|
8
|
200
|
225.00
|
225.50
|
243.00
|
238.00
|
10.00
|
11.20
|
7.60
|
8.80
|
|
10
|
250
|
280.00
|
280.50
|
298.00
|
292.00
|
12.50
|
14.00
|
9.60
|
11.00
|
Dimensions As per IS - 12818 - 1992 recommendations
* Mark Sizes are not coming under IS specification
CS - Suitable for depth upto 80 mtrs
CM - Suitable for depth upto 250 mtrs
