This Indian Standard provides for steel tubes for cycle and cycle rickshaw purposes in sizes up to and including 44.5 mm in outside diameter and covers the following types of tubes:
Type of Steel Tube Reference
Tubes Designation
Electric resistance ERW Part II
welded and induction welded tubes
Cold finished electric CEW Part III
resistance welded and induction welded tubes
IS 2039 Pt.1-1991 history
1991IS 2039 Pt.1-1991 Steel pipes for bicycles and rickshaws—Specifications Part 1 General Requirements