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1、GBT1591高合金低强度结构钢GB/T1591-High-strength1.ow-a1.1.oyStructura1.Stee1.IntroductionGB/T1591isaChinesestandardthatspecifiesthetechnica1.requirementsforhigh-strength1.ow-a1.1.oystructura1.stee1.Thisdocumentprovidesanoverviewofthestandard,inc1.udingitsscope,keyfeatures,andapp1.ications.ScopeGB/T1591app1.ie
2、stohigh-strength1.ow-a1.1.oystructura1.stee1.p1.ates,stee1.strips,widef1.ats,sections,andbarsusedforgenera1.structura1.purposes.I1.coversstee1.gradesQ345B.Q345C,Q345D,Q345E,Q390B.Q390C,Q390D,Q390E.Q420B,Q420C,Q420D,Q420E,Q460C,Q460D,Q460E,Q500C,Q500D.Q500E,Q550C,Q55()D.Q550E,Q620C,Q620D,Q620E.Q690C,
3、Q690D,Q690E,etc.KeyFeatures2.GoodToughness:Thesestee1.sexhibitgoodtoughness,whicha1.1.owsthemtowithstandimpactandvibrationwithoutfai1.ure.4.WideRangeofSizes:GB,T1591coversawiderangeofstee1.products,inc1.udingp1.ates,strips,f1.ats,sections,andbars,providingf1.exibi1.ityindesignandconstruction.App1.ications- Bui1.dingstructuressuchasbridges,high-risebui1.dings,andstadiums.- Offshorestructuresandp1.atforms.- Rai1.wayandhighwayinfrastructure.- Powertransmissiontowersandpy1.ons.Conc1.usion
