WSS-M1P95-A2-20050203-电镀锌镍合金-chs.pdf
WSS-M1P95-A1/A4
PLATING,TIN/ZINCALLOY,ELECTROPLATED,OVER
FERROUSBASEMETAL共5页第1页
在铁基金属上电镀,锡/锌合金,电镀福特标准-其他
1.SCOPE
Thesespecificationsdefinethephysicalandchemicalpropertiesrequiredofaneutralelectroplatedtinzincalloyand
itsassociatedhexavalentchromiumfreepassivateinordertoprovidetherequirementsofcorrosionresistanceand
electricalconductivity.
Allprocessesarefreefromhexavalentchromium,lead,andcadmium.
2.APPLICATION
Thesespecificationswerereleasedtoprovidecorrosionprotectiveandelectricallyconductivecoatingsoversteel
fastenersandsmallparts.Thesecoatingsarealsosuitableforfastenersthatareformedduringinstallation(e.g.blind
rivets,blindanchornuts)andsmallnon-electricalcomponents.
2.1SERVICETEMPERATURE
Duetothelowmeltingpointoftin-zincalloy(197°C),themaximumservicetemperatureis190°C.
Thesecoatingsarenotrecommendedforbody-in-whiteparts,partsthatwillbesubsequentlyelectrocoated,orparts
subjectedtohighservicetemperaturesforextendedperiods.
3.REQUIREMENTS
3.0STANDARDREQUIREMENTSFORPRODUCTIONMATERIALS
MaterialsuppliersandpartproducersmustconformtotheCompanysStandardRequirementsforProduction
Materials(WSS-M99P1111-A).
3.0.1ApprovedApplicatorQualityRequirements
Applicatorsmustfollowcoatingmanufacturerproceduresandrecommendationsforchemicalusage,equipment,
analysisandprocessing.
1.范围
这些规范定义了中性电镀锡锌合金及其相关的六价铬无钝化剂所需的物理和化学性质,以提供耐腐蚀性和导电性的要
求。
所有工艺均不含六价铬,铅和镉。
2.应用
发布这些规范是为了在钢制紧固件和小零件上提供防腐蚀和导电涂层。这些涂层也适用于在安装过程中形成的紧固件
(例如盲铆钉,盲锚螺母)和小型非电气部件。
2.1.操作温度
由于锡锌合金的熔点低(197°C),最高使用温度为190°C。
这些涂层不推荐用于白车身部件,随后将进行电涂覆的部件,或长时间承受高