BS ISO 16573-1:2020 pdf free.Steel- Measurement method for the evaluation of hydrogen embrittlement resistance of high strength steels.Constant load test. BS ISO 16573-1 This document provides a method for the evaluation of the resistance to hydrogen embrittlement (i.e. hydrogen delayed fracture) using constant loading test with hydrogen pre-charged specimens. The amount of hydrogen content absorbed in the specimens is analysed...