Volvo Car Corporation
Established Date:
Issue:
Page:
2014-02 17
1(11)
The English language version is the original and the reference in case of dispute. Den engelskspr?kiga versionen ?r originalversion och ska ?beropas i h?ndelse av tvist.
Cathodically protective surface treatment with friction requirement Y 100
Katodiskt skyddande ytbehandling med friktionskrav Y 100
With or without top coat
Med eller utan t?cklack
Orientation
Orientering
This standard has been written to meet the requirements in the EU directive PE-CONS 3627/00 (the ELV directive).
Denna standard ?r tillkommen f?r att m?ta kraven i EU-direktivet PE-CONS 3627/00 (ELV-direktivet).
This issue differs from issue 16 in that table 1 has been updated regarding conductivity with a foot note 7).
Denna utg?va skiljer sig fr?n utg?va 16 genom att tabell 1 har uppdaterats med avseende p? konduktivitet med en fotnot 7).
Contents
Inneh?ll
1 Scope
1 Omfattning
2 Field of application 2 Till?mpning
3 Definitions
3 Definitioner
4 Surface treatment classes 4 Ytbehandlingsklasser
5 Requirements
5 Krav
5.1 General requirements 5.1 Alllm?nna krav 5.2 Appearance
5.2 Utseende
5.3 Adhesion/Cohesion 5.3 Vidh?ftning/Kohesion 5.4 High-strength steel
5.4 H?gh?llfast st?l 5.5 Environmental requirements 5.5 Milj?krav
5.6 Mechanical requirements 5.6 Mekaniska krav
5.7 Paintability
5.7 ?verm?lningsbarhet 6 Allowed surface treatments 6 Till?tna ytbehandlingar
7
Indication in design-engineering documentation
7
Angivelse i konstruktionsteknisk dokumentation
17 2(11) 1 Scope 1 Omfattning
Surface treatment Y 100 covers different surface treatment classes. The class of the treated component is established on the basis of relevant requirements concerning environment and finish. Ytbehandling Y 100 upptar olika ytbehandlings-klasser. Klassen f?r den behandlade komponenten fastst?lls beroende p? aktuella milj?- och finishkrav.
This standard covers coatings free from hexavalent chromium for corrosion protection of threaded iron and steel parts with friction requirements. Denna standard omfattar bel?ggningar fria fr?n sexv?rt krom f?r korrosionsskydd av g?ngade j?rn- och st?lartiklar med friktionskrav.
For non-threaded parts and parts without friction requirements, see VCS 5737,29. F?r icke-g?ngade detaljer och artiklar utan friktionskrav, se VCS 5737,29.
2 Application 2 Till?mpning
Cathodically protective surface treatment free from hexavalent chromium as general corrosion protection for iron and steel. Katodiskt skyddande ytbehandling fri fr?n sexv?rt krom som allm?nt korrosionsskydd f?r j?rn och
st?l.
For components where there is risk for galvanic corrosion of adjacent component, surface treatment must be chosen with special consideration and expertise with in the area of corrosion and surface treatment shall be consulted. An example might be when assembling a steel component to an aluminium component. F?r komponenter d?r risk f?r galvanisk korrosion f?religger gentemot motg?ende detalj m?ste ytbehandling v?ljas med speciell h?nsyn och expertis p? omr?det ytbehandling och korrosion r?dfr?gas. Ett exempel ?r d? en st?lkomponent monteras mot en aluminiumkomponent.
3 Definitions 3 Definitioner
For this standard, the following definitions apply: F?r denna standard g?ller f?ljande definitioner.
Significant surface: the part of the object which is covered or shall be covered with the surface coating, and for which the surface coating is necessary with respect to usability and/or appearance. Kravyta (representativ yta): den del av objektet som ?r t?ckt eller ska t?ckas av ytbel?ggningen och f?r vilken ytbel?ggningen med tanke p? anv?ndbarhet och/eller utseende ?r n?dv?ndig.
If considered necessary, significant surface shall be indicated on drawings and master samples. Om s? anses n?dv?ndigt ska kravyta anges p? ritning och likare.
Measuring area: the part of the significant surface on which a single measurement is made. M?tarea: del av kravytan p? vilken en enskild m?tning g?rs.
Reference area: the area over which a prescribed number of single measurements shall be made. For threaded parts, see figure1. Provningsarea: den area p? vilken ett
f?reskrivet antal enskilda m?tningar ska utf?ras. F?r g?ngade artiklar se figur 1.
White corrosion: white, porous corrosion product on zinc-alloyed surfaces. Vitblemma (hellre ?n vitkorrosion): vit, por?s korrosionskrusta p? zinklegerad yta.
Base metal corrosion (red corrosion): corrosion of the base metal of coated objects.Basmetallkorrosion (r?dkorrosion): korrosion av basmetallen hos f?rem?l med ytbel?ggning.
Conductivity: defines the ability of a material to conduct electric current.Konduktivitet: anger ett materials f?rm?ga att leda elektrisk str?m.
17 3(11) 4 Surface treatment classes 4 Ytbehandlingsklasser
- Y 100-1 Insignificant corrosivity
Used when the requirement for corrosion protection is less pronounced. - Y 100-1 Ringa korrosivitet
Anv?nds d? kravet p? korrosionsskyddet ?r mindre uttalat.
An example of this environment is inside a compartment. It is also used on fasteners that are mounted on untreated bodies and coated at a later stage, in e.g. EC bath (EC, electro coat). Exempel p? denna milj? ?r inv?ndigt i kupé. Anv?nds ocks? p? f?stelement som monteras i obehandlad kaross och som vid ett senare tillf?lle ?verm?las, t.ex.i ED-bad (ED, elektrodopp).
- Y 100-2 Moderate corrosivity
Used when the requirement for corrosion
protection is moderate, and the corrosion
stresses on external surfaces caused by salt or dirt are insignificant or moderate. - Y 100-2 M?ttlig korrosivitet
Anv?nds d? kravet p? korrosionsskyddet ?r
m?ttligt och korrosionsp?k?nningar p?
utv?ndiga ytor som orsakas av salt och smuts ?r ringa till m?ttliga.
Examples of this environment are parts of engine compartments, protected underbody surfaces, some interior door surfaces, door arches, pillars and roof. Exempel p? denna milj? ?r delar av motorrum, skyddade ytor av underredet, vissa ytor p?
d?rrarnas insidor, d?rrb?gar, stolpar och tak.
The surface finish must be conductive and used only on fasteners used in grounding joints. Krav p? att ytbehandlingen ?r elektriskt ledande och anv?nds endast p? f?stelement som anv?nds i jordanslutning.
- Y 100-3 Moderate corrosivity
Same corrosion requirements as for Y 100-2, but with no requirement for conductivity. - Y 100-3 M?ttlig korrosivitet
Samma korrosionskrav som f?r Y100-2 men utan krav p? att det ska vara elektriskt
ledande.
- Y 100-4 High corrosivity
Used when the requirement for corrosion
protection is high, e.g. when external
components are affected by dirt and
significant exposure to wetness and salt from road environments, and/or when there is a
risk of galvanic corrosion. - Y 100-4 H?g korrosivitet
Anv?nds d? kravet p? korrosionsskydd ?r
h?gt, som d? utv?ndiga komponenter
p?verkas av smuts och avsev?rd v?t- och
saltbelastning fr?n v?gmilj? och/eller d?r risk f?r galvanisk korrosion f?religger.
- Y 100-4B High corrosivity
Electrolytically precipitated Zn/Ni. Same
corrosion requirements as for class Y 100-4.
However, it must not be applied to light metal without special testing. - Y 100-4B H?g korrosivitet
Elektrolytiskt utf?lld zink-nickel. Samma
korrosionskrav som f?r Y 100-4. F?r dock ej utan speciell provning appliceras mot
l?ttmetall.
- Y 100-5 High corrosivity
Same corrosion requirements as for Y 100-4, but with styling requirements. - Y 100-5 H?g korrosivitet
Samma korrosionskrav som f?r Y 100-4 men med designkrav p? utseendet.
17 4(11)
Fig. 1
5 Requirements
5 Krav
5.1 General requirements
5.1 Allm?nna krav
17 5(11)
1) The maximum coating thickness for loaded
contact surfaces for each individual part in screw joints must not exceed 16 μm. 1) Maximal skikttjocklek hos belastade
kontaktytor f?r varje enskild artikel i ett skruvf?rband f?r ej ?verstiga 16 μm.
2) The chemicals to be included in the test
shall be decided by the person responsible for the design and by the testing
department in joint consultation. 2) Vilka kemikalier som ska ing? i
provningen fastst?lls i samr?d mellan konstruktionsansvarig och provande
instans.
3) The requirement applies to sun-exposed
surfaces only. To be tested on a separate test panel. 3) Kravet g?ller endast solexponerade ytor.
Provas p? separat provpanel.
4) Not relevant when there are elements
affecting friction integrated in the coating. 4) Ej relevant vid f?rekomst av
friktionsp?verkande element integrerade i ytbel?ggningen.
5) Applicable only to objects to be painted. 5) Till?mpligt endast f?r objekt som ska
?verm?las.
6) Other colours might be considered. This
shall be indicated in the technical
documentation. 6) Andra kul?rer kan f?rekomma. Anges
d? i teknisk dokumentation.
7) The requierement applies when new surface treatment systems are being developed. 7) Kravet g?ller vid utveckling av nya ytbehandlingssystem.
5.2 Appearance 5.2 Utseende
The significant surface of the surface coated part shall be free from clearly visible surface treatment defects such as blisters, pitting, rough surfaces, cracks or uncoated areas. Minor contact marks may be accepted. Den ytbehandlade artikelns kravyta ska vara fri fr?n tydligt iakttagbara ytbehandlingsfel s?som bl?sor, fr?tgropar, grov yta, sprickor eller obelagda omr?den. Mindre kontaktm?rken kan accepteras.
5.3 Adhesion/Cohesion 5.3 Vidh?ftning/Kohesion
The coating shall have good adhesion and must not display blisters or show any tendency to peel or flake when subjected to burnishing tests in accordance with STD 5712,104. Bel?ggningen ska ha god vidh?ftning och f?r ej uppvisa bl?sor eller visa ben?genhet att lossna eller flagna vid polerprovning enligt STD 5712,104.
17 6(11)
Since prevailing torque feature or micro-encapsulated locking fluid might be used, consideration to this must be taken when choosing surface treatment and/or prevailing torque
feature/locking fluid. This is to prevent shear fracture in the surface treatment and to prevent screw rupture when dismounting. Eftersom friktionsgivande element eller mikrokapslad l?sv?tska kan komma att
anv?ndas ska h?nsyn till detta tagas vid val av ytbehandling och/eller friktionsgivande element/l?sv?tska f?r att f?rebygga skjuvbrott i ytbehandlingen alt. skruvbrott vid demontering.
5.4 High-strength steel 5.4 H?gh?llfast st?l
If electrolytical treatment is applied, heat treatment in accordance with STD 5700,21 shall be carried out for the purpose of stress relief before surface treatment and for the purpose of hydrogen embrittlement relief after surface treatment on steels with a tensile strength exceeding
1040 N/mm2 (corresponding hardnesses approx. 320 HV). Om elektrolytisk behandling till?mpas ska
v?rmebehandling enligt STD 5700,21 utf?ras i sp?nningsutj?mnande syfte f?re ytbehandling och i v?teutdrivande syfte efter ytbehandling p? h?gh?llfast st?l med brotth?llfasthet ?ver 1040 N/mm2 (motsvarande h?rdhetsv?rden ca 320 HV).
5.5 Environmental requirements 5.5 Milj?krav
Substances included in surface treatment as per this standard shall be reported with regard to composition and weight in accordance with VCS 5036,5. Ing?ende ?mnen i ytbehandling enligt denna standard ska rapporteras med avseende p? sammans?ttning och vikt enligt VCS 5036,5.
Substances classified as “prohibited” in VCS 5036,5 may not occur. ?mnen som ?r klassificerade som ”f?rbjudna” i VCS 5036,5 f?r ej f?rekomma.
Electrolytic Zn/Ni coatings shall be applied using an alkaline Zn/Ni process, and the Ni content of the coating shall be 12-15 % Ni. Elektrolytiska Zn/Ni-bel?ggningar ska appliceras med en alkalisk Zn/Ni-process och nickelhalten ska vara 12-15 % nickel.
5.6 Mechanical requirements 5.6 Mekaniska krav
Unless otherwise stated, all mechanical requirements for surface treatment shall be tested on fasteners with metric threads. Samtliga mekaniska krav f?r ytbehandling ska provas p? f?stelement med metriska g?ngor om inget annat anges.
5.6.1 Coated threads 5.6.1 Ytbelagda g?ngor
The coating thickness in the threads must not prevent normal entering. This shall be checked before the surface treatment by gauging the fasteners with a NOT GO screw ring and a GO screw ring for external threads and with a NOT GO screw plug gauge and GO screw plug gauge for internal threads. Skikttjockleken i g?ngorna f?r ej f?rhindra normal ?ntring. Detta kontrolleras genom att
f?stelementen f?re ytbel?ggningen provas med stoppg?ngring och g?g?ngring f?r utv?ndig
g?nga och stoppg?ngh?ltolk och g?g?ngh?ltolk f?r inv?ndig g?nga.
After the surface treatment, the thread shall be gauged with a GO screw ring for external threads and a GO screw plug gauge for internal threads. Efter ytbel?ggningen provas med g?g?ngring f?r utv?ndig g?nga och g?g?ngh?ltolk f?r
inv?ndig g?nga.
Volvo Car Corporation
Issue:
Page:
17
7(11)
For threads to be surface treated, the tolerance value normally applied shall be used (for example 6e for screws and 6G6H for nuts, see VCS 5081,159). Surface coated threads shall be gauged using a GO screw ring gauge with
tolerance position h (external threads) and with a GO screw plug gauge in position H (internal threads). (See STD 5081,1801).
F?r g?nga som ska ytbel?ggas g?ller g?ngse toleransv?rde (till exempel 6e f?r skruv och 6G6H f?r mutter, se VCS 5081,159). Ytbelagda g?ngor ska kontrolleras med hj?lp av
g?g?ngring f?r toleransl?ge h (utv?ndig g?nga) och med g?g?ngh?ltolk f?r toleransl?ge H (inv?ndig g?nga). (Se STD 5081,1801). Irrespective of test stage, the following requirement applies with regard to entering ability:
Oavsett provstadie s? g?ller f?ljande krav p? ?ntringsbarhet:
When testing in accordance with VCS 5511,719,
the wind-on torque shall be less than 0,001d 3
Nm, where d denotes the nominal thread diameter.
Vid provning enligt VCS 5511,719 ska
?ntringsmomentet understiga 0,001d 3
Nm, d?r d anger nominell g?ngdiameter.
5.6.2 Friction properties
5.6.2 Friktionsegenskaper
5.6.2.1 Friction requirements for threaded
fasteners in accordance with VCS 5081,159 (ISO 965) 5.6.2.1 Friktionskrav f?r g?ngade
f?stelement enligt VCS 5081,159 (ISO 965) In all cases, the threaded fasteners shall be tested in accordance with VCS 5511,719. I samtliga fall provas f?stelementen enligt VCS 5511,719.
5.6.2.1.1 Introductory testing
5.6.2.1.1 Inledande provning
At introductory testing, the following requirement applies concerning the torque-tension relationship:
Vid inledande provning g?ller f?ljande kraft-utbyteskrav:
17 8(11) 5.6.2.1.2 Development testing 5.6.2.1.2 Utvecklingsprovning
At development testing, the following requirements apply with respect to resulting assembly friction (μtot):
- Target value: 0,14
- Tolerance width (3 standard deviations): 0,08 (0,10-0,18)
- Target value centring: 0,02 (0,12-0,16) For a definition of given parameters, see
VCS 5060,19. Vid utvecklingsprovning g?ller f?ljande krav med avseende p? resulterade monterings-friktion (μtot):
- M?lv?rde: 0,14
- Toleransvidd (3 standardavvikelser): 0,08 (0,10-0,18)
- M?lv?rdescentrering: 0,02 (0,12-0,16) F?r definition av givna parametrar, se
VCS 5060,19.
5.2.
6.1.3 Verification testing 5.6.2.1.3 Verifieringsprovning
At verification testing, the following requirements apply with respect to resulting assembly friction (μtot):
- Target value: 0,14
- Tolerance width (3 standard deviations): 0,12 (0,08-0,20)
- Target value centring: 0,04 (0,10-0,18) Vid verifieringsprovning ska f?ljande krav med avseende p? resulterade monteringsfriktion (μtot) uppfyllas:
- M?lv?rde: 0,14
- Toleransvidd (3 standardavvikelser): 0,12 (0,08-0,20)
- M?lv?rdescentrering: 0,04 (0,10-0,18)
For a definition of given parameters, see VCS 5060,19.F?r definition av givna parametrar, se VCS 5060,19.
5.6.2.1.4 QA testing 5.6.2.1.4 QA-provning
At QA testing, the following fracture torques shall be met: Vid QA-provning ska f?ljande brottmoment uppfyllas:
17 9(11)
For more precise QA studies, particularly in the case of screws shorter than 7d, the test shall be performed in accordance with VCS 5511,719, appendix 1, and with the following requirements concerning the assembly friction: F?r mer noggranna QA-studier, speciellt med skruv kortare ?n 7d, provas enligt VCS 5511,719 bilaga 1 och med f?ljande krav p? monteringsfriktion:
- Target value: 0,14
- Tolerance width (3 standard deviations): 0,08 (0,10-0,18)
- Target value centring: 0,02 (0,12-0,16) For a definition of given parameters, see
VCS 5060,19.
- M?lv?rde: 0,14
- Toleransvidd (3 standardavvikelser): 0,08 (0,10-0,18)
- M?lv?rdescentrering: 0,02 (0,12-0,16) F?r definition av givna parametrar, se
VCS 5060,19.
Torque requirements for fasteners with prevailing torque feature concerning maximum downrunning torque and minimum disassembly torque are specified in VCS 7121,1619. Momentkrav p? f?stelement med friktionsgivande element med avseende p? max nedg?ngningsmoment och min avskruvnings-moment ges av VCS 7121,1619.
Removal torque requirements with nut with prevailing torque action (clamped nut) are specified in STD 7141,4419. Lossmomentkrav med mutter som har friktionsgivande ?tg?rd (kl?md mutter) ges enligt STD 7141,4419.
5.6.2.2 Friction requirements for tapping
screws in accordance with
VCS 7121,281 5.6.2.2 Friktionskrav f?r g?ngformande
skruv enligt VCS 7121,281
5.6.2.2.1 Development testing 5.6.2.2.1 Utvecklingsprovning
At development testing, the following requirements apply with respect to resulting assembly friction (μtot): Vid utvecklingsprovning g?ller f?ljande krav med avseende p? resulterande monterings-friktion (μtot):
- Target value: 0,12
- Tolerance width (3 standard deviations): 0,08 (0,08-0,16)
- Target value centring: 0,02 (0,10-0,14) - M?lv?rde: 0,12
- Toleransvidd (3 standardavvikelser): 0,08 (0,08-0,16)
- M?lv?rdescentrering: 0,02 (0,10-0,14)
5.6.2.2.2 Verification testing 5.6.2.2.2 Verifieringsprovning
At verification testing, the following requirements apply with respect to resulting assembly friction (μtot): Vid verifieringsprovning ska f?ljande krav med avseende p? resulterande monteringsfriktion (μtot) uppfyllas:
- Target value: 0,12
- Tolerance width (3 standard deviations): 0,10 (0,07-0,17)
- Target value centring: 0,02 (0,10-0,14) - M?lv?rde: 0,12
- Toleransvidd (3 standardavvikelser): 0,10 (0,07-0,17)
- M?lv?rdescentrering: 0,02 (0,10-0,14)
17 10(11)
5.6.2.2.3 QA testing
5.6.2.2.3 QA-provning
At QA testing, the following fracture torques shall be met:
Vid QA-provning ska f?ljande brottmoment uppfyllas:
Irrespective of type of test, the thread-forming
torque shall in each case be evaluated against the
following requirements:
Oavsett provtyp ska g?ngformningsmoment i samtliga fall utv?rderas mot f?ljande krav.
5.7 Paintability
5.7 ?verm?lningsbarhet
Where required, the surface treatment shall permit painting with organic coatings (incl. EC paint system) exhibiting good paint adhesion. Other requirements in this standard may thereby not be changed.
Ytbehandlingen ska, d?r s? kr?vs, vara m?jlig att m?la ?ver med organiska lacker (inkl. ED-lacksystem) med god vidh?ftning. ?vriga krav i denna standard f?r d?rmed inte f?r?ndras.
17 11(11) 6 Approved surface treatments 6 Godk?nda ytbehandlingar
Different surface treatments are not allowed to be used on the same part number. Olika ytbehandlingar f?r ej anv?ndas p? samma artikelnummer.
For Y 100-1
Electrolytically applied and passivated (trivalent chromium) zinc.F?r Y 100-1
Elektrolytiskt applicerad och passiverad (trev?rd kromat) zink.
For Y 100-2
Bright passivated electrolytically precipitated zinc nickel with alternative top coat Finigard 105, Finigard 111 or MicroGLEIT DCP9000.
Used only on fasteners used in grounding joints. F?r Y 100-2
Blankpassiverad elektrolytiskt utf?lld zinknickel med alternativ top coat Finigard 105, Finigard 111 eller MicroGLEIT DCP9000.
Anv?nds endast p? f?stelement som anv?nds i jordanslutning.
For Y 100-3
Electrolytically applied zinc-iron with polysilicatebased wax containing top coat: Delta MKS 2350 or Conventec 7262B. (Delta MKS 2350 can contain zinc-iron layers from different suppliers.) F?r Y 100-3
Elektrolytiskt applicerat zink-j?rn med polysilikat-baserat vax inneh?llande t?cklack: Delta MKS 2350 eller Conventec 7262B (Delta MKS 2350 kan inneh?lla zink-j?rnskikt fr?n olika leverant?rer).
For Y 100-4
Delta Protekt 302 (2 x KL100 + 1 x VH302 GZ) (Not paintable in accordance with section 5.7). Metasu YC (2 × YC - B + 1 × YC - T).
(Not paintable in accordance with section 5.7). F?r Y 100-4
Delta Protekt 302 (2 x KL100 + 1 x VH302 GZ) (Ej ?verm?lningsbar enligt avsnitt 5.7). Metasu YC (2 × YC - B + 1 × YC - T).
(Ej ?verm?lningsbar enligt avsnitt 5.7).
For fasteners with captive washer, the following surface treatment can also be used:
Magni 565 (1 x B46 + 1 x B18)
(Not paintable in accordance with section 5.7). For fasteners where the colour black has been specified on the drawing: GEOBLACK? 500 M. (Not paintable in accordance with section 5.7). F?r f?stelement med of?rlorbar bricka kan ?ven denna ytbehandling anv?ndas:
Magni 565 (1 x B46 + 1 x B18)
(Ej ?verm?lningsbar enligt avsnitt 5.7).
F?r f?stelement med svart kul?r angiven p? ritning: GEOBLACK? 500 M.
(Ej ?verm?lningsbar enligt avsnitt 5.7).
For Y 100-4B
For thread-forming screws with metric threads, use electrolytically precipitated Zn/Ni with top coat Finigard 109. For screws with metric threads, electrolytically precipitated Zn/Ni + top coat with friction requirement, target value 0,14 when tested in accordance with 5.6.2.1, is used.F?r Y 100-4B
F?r g?ngformande skruv med metrisk g?nga anv?nds elektrolytiskt utf?lld Zn/Ni med top coat Finigard 109. F?r skruv med metrisk g?nga
anv?nds elektrolytiskt utf?lld Zn/Ni + top coat med friktionskrav, m?lv?rde 0,14, vid provning enligt 5.6.2.1.
For Y 100-5 None. F?r Y 100-5 Ingen.
7 Indication in design-
engineering documentation 7 Angivelse i
konstruktionsteknisk
dokumentation
Ex: TREATED Y 100-3 COLOUR BLACK VCS 5737,19