BS EN ISO 7539-10:2020 pdf free.Corrosion of metals and alloys -Stress corrosion testing.Reverse U-bend method. BS EN ISO 7539-10 The RUB test is a particularly severe test for assessing susceptibility to stress corrosion cracking.The test is intended primarily for application to metals with high corrosion resistance, such as Ni-based alloys, with the advantage, compared to methods such as the conventional...