ASTM A510(材料)(2)

TABLE1SteelWireGageA

DecimalDecimalGageNo.Equivalent,

GageNo.Equivalent,

in.in.7/00.49090.148*6/00.462*91 20.1425/00.430*100.1354/00.394*101 20.1283/00.362*110.120*2/00.331111 20.1131/00.306120.106*10.283121 20.09911 20.272130.092*20.262*131 20.08621 20.253140.08030.244*141 20.07631 20.234150.07240.225*151 20.06741 20.216160.062*50.207161 20.05851 20.200170.05460.192171 20.05161 20.184180.048*70.177181 20.04471 20.170190.04180.162191 20.03881 2

0.155

20

0.035*

A

ThesteelwiregageoutlinedinthistablehasbeentakenfromtheoriginalWashburnandMoenGagechart.In20gageandcoarser,sizesoriginallyquotedto4decimalequivalentplaceshavebeenroundedto3decimalplacesinaccordancewithroundingproceduresofPracticeE29.AllroundedU.S.custom-aryvaluesareindicatedbyanasterisk.

3.1.6straightenedandcutwire—wirethatisproducedfromcoilsofwirebymeansofspecialmachinerywhichstraightensthewireandcutsittoaspeci edlength.

3.1.7Discussion—Thestraighteningoperationmayalterthemechanicalpropertiesofthewireespeciallythetensilestrength.Thestraighteningoperationmayalsoinducechangesinthediameterofthewire.Theextentofthechangesinthepropertiesofthewireaftercoldstraighteningdependsuponthekindofwireandalsoonthenormalvariationsintheadjust-mentsofthestraighteningequipment.Itisthereforenotpossibletoforecastthepropertiesofstraightenedandcutwireandeachkindofwireneedsindividualconsideration.Inmostcases,theenduseofstraightenedandcutwireisnotseriouslyin uencedbythesechanges.

3.1.8wirerods—rodsthatarehotrolledfrombilletstoanapproximateroundcrosssectionintocoilsofonecontinuouslength.Rodsarenotcomparabletohot-rolledbarsinaccuracyofcrosssectionorsurface nishandasasemi nishedproductareintendedprimarilyforthemanufactureofwire.

3.1.9Discussion—Rodsizesfrom7 32to47 64in.indiam-eter,inclusive,aredesignatedbyfractionsordecimalpartsofaninchasshowninTable2.

4.OrderingInformation

4.1Ordersforhot-rolledwirerodsunderthisspeci cationshouldincludethefollowinginformation:4.1.1Quantity(pounds),

4.1.2Nameofmaterial(wirerods),4.1.3Diameter(Table2),

4.1.4Chemicalcompositiongradeno.(Table3,Table4,Table5,andTable6),

TABLE2SizesofWireRodsA

InchDecimalInchDecimalFraction

Equivalent,

FractionEquivalent,

in.in.7 320.21931 640.48415

640.2341 20.5001

4

0.25033 64

0.51617 640.26617 320.5319

320.28135

640.54719

64

0.2979

16

0.5625

160.31237 640.57821 640.32819 32

0.59411 32

0.34439 64

0.60923 640.3595 80.6253

80.37541 64

0.64125

64

0.39121 32

0.65613 320.40643 640.67227 640.42211 160.6887 16

0.43845 64

0.70329 640.45323 320.71915 32

0.469

47

64

0.734

A

Roundedoffto3decimalplacesindecimal

equivalentsinaccordancewithproceduresoutlinedinPracticeE29.

4.1.5Packaging,

4.1.6ASTMdesignationanddateofissue,and4.1.7Specialrequirements,ifany.

NOTE2—Atypicalorderingdescriptionisasfollows:100000lbWireRods,7 32in.,Grade1010inapproximately1000lbCoilstoASTMA510dated_______.

4.2Ordersforcoarseroundwireunderthisspeci cationshouldincludethefollowinginformation:4.2.1Quantity(poundsorpieces),

4.2.2Nameofmaterial(uncoatedcarbonsteelwire),4.2.3Diameter(see3.1.5),

4.2.4Length(straightenedandcutonly),

4.2.5Chemicalcomposition(Table3,Table4,Table5,andTable6),

4.2.6Packaging,

4.2.7ASTMdesignationanddateofissue,and4.2.8Specialrequirements,ifany.

NOTE3—Atypicalorderingdescriptionisasfollows:40000lbUncoatedCarbonSteelWire,0.148in.(9ga.)diameter,Grade1008in500lbCoilsonTubularCarrierstoASTMA510-XX,or

2500Pieces,CarbonSteelWire,0.375in.diameter,StraightenedandCut291 2in.,Grade1015,in25PieceBundlesonPalletstoASTMA510-XX.

5.Manufacture

5.1Thesteelshallbemadebytheopen-hearth,electric-furnace,orbasic-oxygenprocess.Thesteelmaybeeitheringotcastorstrandcast.

6.ChemicalComposition

6.1Thechemicalcompositionforsteelunderthisspeci -cationshallconformtotherequirementssetforthinthepurchaseorder.Chemicalcompositionsarespeci edbyrangesorlimitsforcarbonandotherelements.Thegradescommonly