ISO 19959:2005 specifies the acceptance criteria for the surface inspection of steel, nickel alloy and cobalt alloy investment castings by visual examination.
BS ISO 19959:2005 history
2020BS ISO 19959:2020 Steels, nickel alloys and cobalt alloys investment castings. Visual testing of surface quality
2005BS ISO 19959:2005 Visual examination of the surface condition of investment castings - Steel, nickel alloys and cobalt alloys