BS ISO 19959:2020,Steels, nickel alloys and cobalt alloys investment castings – Visual testing of surface quality.
BS ISO 19959:2020 specifies the acceptance criteria for the surface examination of steel, nickel alloy and cobalt alloy investment castings by visual testing.
5.1 Qualification of personnel
Testing shall be performed by qualified personnel. Qualification of personnel shall be according to ISO 9712. The qualification level of the personnel shall be agreed between the manufacturer and the purchaser at the time of acceptance of the order.
5.2 Conditions of testing
The testing shall be carried out with no greater than 3x magnification.
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