TL_244-2017锌镍合金涂成表面防护要求（CH）.pdfVIP

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锌镍合金涂层

表面保护要求

SurfaceProtectionRequirements

Previousissues

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

Changes

更改

ThefollowingchangeshavebeenmadetoTL244:2010-12:TL244:2010-12进行了以下更改：

–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

-删除了Ofl-r647和Ofl-r648

-添加了Ofl-r645和Ofl-r677的集成润滑剂密封（表1）

-根据DIN34804，锌腐蚀的表面变化程度仅适用于带和不带密封的黑色钝化锌/镍涂层

-涂层腐蚀仅根据DINENISO9227中性盐雾试验（NSS）试验方法（第3.11.1节“根据DINENISO9227的NSS试验方法”）在盐雾试验中进行评估

-在根据PV1209进行的气候腐蚀循环试验中，仅评估基底金属腐蚀（可选PV1210与PV1200结合）（第3.11.2节“根据PV1209.进行的试验方法”）。

-进一步的技术和编辑更改

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