This standard specifies the metal and alloys. This standard is applicable to the removal of metal and chrome alloys and foreign matter that exists in the form of surface contamination. Surface descaling and cleaning methods. Oxides and dirt on the surface of products (hereinafter referred to as external materials) during production and use 2 General rules
GB/T 38986-2020 history
2020GB/T 38986-2020 Methods of descaling and cleaning for zirconium and zirconium alloy surfaces