BS PD ISO/TR 13086-3:2018 addresses the topic of calculation of stress ratios when analyzing filament wound composite cylinders. This document is applicable to cylinders of Types 2, 3, and 4. The calculation of stress ratios supports the development and revision of standards for fibre reinforced composite pressurized cylinders.Cross References:ISO 11439:2013ISO/TR 13086-1All current amendments available at time of purchase are included with the purchase of this document.