TL 240-201706_EN锌系磷化薄膜-表面保护要求.pdf

GroupstandardTL240

Issue2017-06

Class.No.:50204

Descriptors:zinc,phosphating,zincphosphating,thin-layerphosphating,thin-layerzincphosphating,nut,surface

protection,Ofl-b140,Ofl-b149,bolt,screw,fasteners

Thin-LayerZincPhosphating

SurfaceProtectionRequirements

Previousissues

TL240:1986-01,1991-11,2004-01,2008-01,2012-12

Changes

ThefollowingchangeshavebeenmadetoTL240:2012-12:

–Section1Scoperevised

–Section3.2Basicrequirements:Requirementsforcoefficientsoffrictionadded

–Section3.3Appearanceandstructureupdated

–Section3.4Transportprotectionrevised

–AppendixAdeleted

–Additionaltechnicalandeditorialchanges

1Scope

ThisTechnicalSupplySpecification(TL)definesthesurfaceprotectionrequirementsforfilm-form‐

ing,thin-layerzincphosphatingonfasteners.Thisstandardalsoappliestocalcium-modifiedvar‐

iants.

2Designation

AsperVolkswagenstandardVW13750,sectionDesignation

Alwaysusethelatestversionofthisstandard.Page1of5

Thiselectronicallygeneratedstandardisauthenticandvalidwithoutsignature.

TheEnglishtranslationisbelievedtobeaccurate.Incaseofdiscrepancies,theGermanversionisaloneauthoritativeandcontrolling.

TechnicalresponsibilityTheStandardsdepartment

GQL-M/1MatthiasAckermannTel.:+495361938255

GQL-M/1TobiasSchillingTel.:+495361937641K-ILI/5UteHager-SüßK-ILI

GQL-MDr.FrankRöper