Transmissions hydrauliques — Tubes de précision en acier, soudés ou non, à extrémités lisses — Dimensions et pressions nominales de travail

This document specifies sizes and nominal working pressures for seamless and welded precision steel tubes with outside diameters in accordance with ISO 4397, and wall thicknesses and mechanical properties in accordance with ISO 3305. The nominal working pressures included in this document reflect a design factor ratio of 4 to 1 applied to the calculated burst pressures.