OD in mm ID in mm Size in Inch
48 40 1.5"
60 50 2"
88 80 3"
113 100 4"
140 125 5"
165 150 6"
180 163 7"
200 175 7.5"
225 200 8"
Your application essay is a great opportunity to showcase who you are and why you are a great fit for a specific school. It’s also an opportunity for colleges to get a feel for who you are as a person, so read this post here. Colleges usually review applications using their own admissions standards. If they find that you’ve written an application essay that’s not aligned to their standards, they’ll contact you аnd offer you an alternate essay.

Nominal Diameter Outer Diameter of pipe Wall Thickness
CM Casing Pipes CS Casing Pipes
  Min Max Min Max Min Max
40mm 48.0 48.2 3.5 4.0 - -
50mm 60.0 60.2 4.0 4.6 - -
80mm 88.0 88.3 4.0 4.6 - -
100mm 113.0 113.3 5.0 5.7 - -
125mm 140.0 140.4 6.5 7.3 - -
150mm 165.0 165.4 7.5 8.5 5.7 6.5
175mm 200.0 200.5 8.8 9.8 7.0 7.8
200mm 225.0 225.5 10.0 11.2 7.6 8.8
250mm 280.0 280.5 12.5 14 9.6 11.0