Reaffirmed 2019

1. SCOPE

1.1 This standard covers the requirements of three types of seamless and welded carbon steel ripes for hydraulic purposes employing working Buids such as water and oi in sizes from 135 mm to 127 mm outside diameter, suitable for the following design pressures:

a) Up to and including 9-8 N/mm²,

b) Above 9S N/mm² up to and including 17 N/mm², and

c) Above 17 N/mm² up to and including M N/mm².