IS 4270 : 2001 STEEL TUBES USED FOR WATER WELLS - SPECIFICATION ICS 77.140.75 MTD 19
Reaffirmed 2022
1. Scope
1.1 This standard covers the requirements for steel tuhes used for water wells, such as, casing, drive pipe and housing; having the following types of joints:
a) Screwed and socketed bull joints,
b) Screwed Dush hull join ls, and
c) Pl.tin bevelled end pipes for butt welded joints.