TL 244-2017 锌镍合金涂层表面保护要求-ENG.pdf

GroupstandardTL244

Issue2017-06

Class.No.:50204

Descriptors:zinc,nickel,passivation,sealing,chromium(VI)-free,Cr(VI)-free,corrosionprotection,surface

protection,alloycoating,Ofl-r642,Ofl-r643,Ofl-r645,Ofl-r649,Ofl-r672,Ofl-r673,Ofl-r677

Zinc/NickelAlloyCoatings

SurfaceProtectionRequirements

Previousissues

TL244:1987-10,1992-05,1993-11,1995-12,2002-05,2004-12,2006-08,2007-02,2010-12

Changes

ThefollowingchangeshavebeenmadetoTL244:2010-12:

–Ofl-r647andOfl-r648removed

–SealingwithintegratedlubricantforOfl-r645andOfl-r677(table1)added

–DegreeofchangeofsurfaceswithrespecttozinccorrosionasperDIN34804isapplicable

onlyforblackpassivatedzinc/nickelcoatingswithandwithoutsealing

–ThecoatingcorrosionisevaluatedonlyinthesaltspraytestasperDINENISO9227,neutral

saltspraytest(NSS)testmethod(section3.11.1TestmethodNSSasper

DINENISO9227.)

–IntheclimatecorrosioncycletestasperPV1209,onlythebasemetalcorrosionisevaluated

(optionallyPV1210combinedwithPV1200)(section3.11.2TestmethodasperPV1209).

–Furthertechnicalandeditorialchanges

Alwaysusethelatestversionofthisstandard.Page1of9

Thiselectronicallygeneratedstandardisauthenticandvalidwithoutsignature.

TheEnglishtranslationisbelievedtobeaccurate.Incaseofdiscrepancies,theGermanversionisaloneauthoritativeandcontrolling.

TechnicalresponsibilityTheStandardsdepartment

GQL-M/1SaschaGroße