left函数-360手机助手连接不上
![qq international](/uploads/image/0454.jpg)
2023年4月6日发(作者:qtalk是什么)
SAE-AMS-QQ-A-250/8
ADOPTIONNOTICE
SAE-AMS-QQ-A-250/8,"ALUMINUMALLOY5052,PLATEANDSHEET",was
adoptedon30-JUN-98forusebytheDepartmentofDefense
(DoD).ProposedchangesbyDoDactivitiesmustbesubmittedto
theDoDAdoptingActivity:Commander,DefenseSupplyCenter
Philadelphia,ATTN:DSCP-ITAA,700RobbinsAvenue,Philadelphia,
ofthisdocumentmaybepurchasedfromthe
SocietyofAutomotiveEngineers400CommonwealthDrive
Warrendale,Pennsylvania,UnitedStates,15096-0001.
/___________________
Custodians:AdoptingActivity:
DLA-ISArmy-MR
Navy-AS
AirForce-11
DLA-IS
FSC9535
DISTRIBUTIONSTATEMENTA:
Approvedforpublicrelease;distribution
isunlimited.
CopyrightSAEInternational
ProvidedbyIHSunderlicensewithSAELicensee=MessierDowty/5905381001
NotforResale,10/19/200521:54:51MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS
-
-
`
`
`
,
`
`
`
,
,
,
`
`
`
,
`
`
`
,
`
,
,
,
`
,
,
`
,
`
`
-
`
-
`
,
,
`
,
,
`
,
`
,
,
`
-
-
-
SAETechnicalStandardsBoardRulesprovidethat:“Thisreportispofthisreportisentirely
voluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”
SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,itesyourwrittencommentsandsuggestions.
Copyright1998SocietyofAutomotiveEngineers,Inc.
dinU.S.A.
QUESTIONSREGARDINGTHISDOCUMENT:(724)772-7154FAX:(724)776-0243
TOPLACEADOCUMENTORDER:(724)776-4970FAX:(724)776-0790
AMS-QQ-A-250/8ASAEAMS-QQ-A-250/8A
-2-
ABLEDOCUMENTS:
SeeAMS-QQ-A-250.
EMENTS:
3.1ChemicalComposition:
3.1.1ThechemicalcompositionshallconformtotherequirementsspecifiedinTableI.
3.2MechanicalProperties:
3.2.1MechanicalPropertiesofMaterialasSupplied:Themechanicalpropertiesparalleltothedirection
ofthefinalrollingshallconformtotherequirementsofTableIIforthetemperspecified.
alComposition1/
Element
Percent
MinimumMaximum
Magnesium2.22.8
Chromium0.150.35
Iron-0.40
Silicon-0.25
Copper-0.10
Manganese-0.10
Zinc-0.10
OtherElements,each-0.05
OtherElements,total-0.15
AluminumRemainder
1/Analysisshallroutinelybemadeonlyfortheelements
,however,thepresenceof
otherelementsisindicatedorsuspectedinamountsgreater
thanthespecifiedlimits,furtheranalysisshallbemadeto
determinethattheseelementsarenotpresentinexcessof
specifiedlimits.
CopyrightSAEInternational
ProvidedbyIHSunderlicensewithSAELicensee=MessierDowty/5905381001
NotforResale,10/19/200521:54:51MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS
--```,```,,,```,```,`,,,`,,`,``-`-`,,`,,`,`,,`---
AMS-QQ-A-250/8ASAEAMS-QQ-A-250/8A
-3-
icalProperties(See6.4)
Elongationin2in.
TemperThicknessTensileStrengthor4timesD1/
MinMax3/,minimum
InchesksiksiPercent
O0.006thru0.00725.031.0-
0.008thru0.01225.031.014
0.013thru0.01925.031.015
0.020thru0.03125.031.016
0.032thru0.05025.031.018
0.051thru0.11325.031.019
0.114thru0.24925.031.020
0.250thru3.00025.031.018
H22orH322/0.017thru0.01931.038.04
0.020thru0.05031.038.05
0.051thru0.11331.038.07
0.114thru0.24931.038.09
0.250thru0.49931.038.011
0.500thru2.00031.038.012
H24orH342/0.009thru0.01934.041.03
0.020thru0.05034.041.04
0.051thru0.11334.041.06
0.114thru0.24934.041.07
0.250thru1.00034.041.010
H26orH362/0.006thru0.00737.044.02
0.008thru0.03137.044.03
0.032thru0.16237.044.04
H28orH380.006thru0.00739.0-2
0.008thru0.03139.0-3
0.032thru0.12839.0-4
H1120.250thru0.49928.0-7
0.500thru2.00025.0-12
2.001thru3.00025.0-16
FAll4/4/4/
1/Notrequiredformaterial1/2inchorlessinwidth.
2/FortheH2temperseries,themaximumtensilevaluesdonotapply.
3/Drepresentsspecimendiameter.
4/Norequirement.
CopyrightSAEInternational
ProvidedbyIHSunderlicensewithSAELicensee=MessierDowty/5905381001
NotforResale,10/19/200521:54:51MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS
-
-
`
`
`
,
`
`
`
,
,
,
`
`
`
,
`
`
`
,
`
,
,
,
`
,
,
`
,
`
`
-
`
-
`
,
,
`
,
,
`
,
`
,
,
`
-
-
-
AMS-QQ-A-250/8ASAEAMS-QQ-A-250/8A
-4-
3.2.2BendProperties:Bendspecimenstakenfromsheetshallbecapableofwithstanding,without
cracking,uesforbendfactorNaregivenin
TableIII.
YASSURANCEPROVISIONS:
SeeAMS-QQ-A-250.
ATIONFORDELIVERY:
SeeAMS-QQ-A-250.
:
6.1IntendedUse:
Thisalloyisintendedforusewhenmoderatestrengthinanonheat-treatablealuminumalloyplateor
sheetisdesired.
stFactor"N"
ThicknessTemper
ofH22orH24orH26or
materialOH32H34H36
Inch
0.006thru0.0080--4
0.009thru0.0160-14
0.017thru0.0190014
0.020thru0.0310124
0.032thru0.0500125
0.051thru0.1130235
0.114thru0.1620345
0.163thru0.249034-
CopyrightSAEInternational
ProvidedbyIHSunderlicensewithSAELicensee=MessierDowty/5905381001
NotforResale,10/19/200521:54:51MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS
--```,```,,,```,```,`,,,`,,`,``-`-`,,`,,`,`,,`---
AMS-QQ-A-250/8ASAEAMS-QQ-A-250/8A
-5-
6.2OrderingData:
Purchasersshouldselectthepreferredoptionspermittedhereinandincludethefollowing
informationinprocurementdocuments:
Title,number,anddateofthisspecification.
Formandtemperrequired(See1.2.1).
Dimensionsrequired.
Requirementsforsizesnotspecificallycovered(SeeAMS-QQ-A-250).
Selectionofapplicablelevelsofpreservation,packaging,andpackingrequiredifotherthanLevelC
(SeeAMS-QQ-A-250).
6.3ProductproducedandmarkedtotherequirementsofAMS-QQ-A-250/8alsomeetstherequirements
ofQQ-A-250/tproducedandmarkedtotherequirementsofQQ-A-250/8Falsomeetsthe
requirementsofAMS-QQ-A-250/8.
6.4Thepropertieslistedin3.2.1areexactlythesameaswereinQQ-A-250/8,
propertieshavenotbeensubstantiatedinaccordancewiththeAMSManualforPreparationof
AerospaceSpecifications.
6.5Thechangebar(l)locatedintheleftmarginisfortheconvenienceoftheuserinlocatingareas
wheretechnicalrevisions,noteditorialchanges,havebeenmadetothepreviousissueofthis
(R)symboltotheleftofthedocumenttitleindicatesacompleterevisionofthe
specification.
PREPAREDUNDERTHEJURISDICTIONOFAMSCOMMITTEE"D"
CopyrightSAEInternational
ProvidedbyIHSunderlicensewithSAELicensee=MessierDowty/5905381001
NotforResale,10/19/200521:54:51MDTNoreproductionornetworkingpermittedwithoutlicensefromIHS
--```,```,,,```,```,`,,,`,,`,``-`-`,,`,,`,`,,`---
更多推荐
qq international
发布评论