DIN50979_EN锌及锌合金涂层

GERMAN STANDARD July 2008 A&I Standards Subscription - KNORR-BREMSE Systeme für Schienenfahrzeuge GmbH - Cust. no. 4987428 - Subs. no. 00849501/002/001 - 2008-06-24 10:34:55 Metallic coatings – Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(VI)-free treatment Document comsists of 13 pages Standards Committee on Material Testing (NMP) within DIN DIN 50979:2008-07 2 A&I Standards Subscription - KNORR-BREMSE Systeme für Schienenfahrzeuge GmbH - Cust. no. 4987428 - Subs. no. 00849501/002/001 - 2008-06-24 10:34:55 Contents Page Foreword................................................................................................................................................ 3 1. Field of application.................................................................................................................3 2. Normative references.............................................................................................................3 3. Designation: ............................................................................................................................ 4 3.1. Electroplated coatings........................................................................................................... 4 3.2. Passivating ............................................................................................................................. 4 3.3. Sealing..................................................................................................................................... 4 3.4. Essential areas (functional area).......................................................................................... 5 3.5. Examples of designations..................................................................................................... 5 4. Order data...................................