DIN 50979 vs ISO 19598 vs ISO 2081 1. Designation & Syntax Comparison This table highlights exactly how the “code string” (designation) differs on a blueprint. Note the use of double slashes // versus single slashes /. Feature DIN 50979 ISO 19598 ISO 2081 Standard Title Electroplated Zn & Zn-Alloys (Cr(VI)-free) Electroplated Zn & Zn-Alloys … Continue reading DIN 50979 vs ISO 19598 vs ISO 2081