關(guān)于鞍鋼生產(chǎn)高強(qiáng)螺栓鋼的研究與預(yù)測.pdf

1、東北大學(xué)碩士學(xué)位論文關(guān)于鞍鋼生產(chǎn)高強(qiáng)螺栓鋼的研究與預(yù)測姓名：張錦剛申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：趙剛2000.2.1t，_●’_0AbstractThepracticabilityoftheproductionofthehighprofitablesteelsforhighstrengthboltsinAnshanIronandsteelcorporation(AISC)hasbeenstudiedwhentheregulat

2、ionoftheproductmixtowardshightechnologicalproductsisgoingtobcdoneafterthefirstperiodoftechnological—renovatingprojectsThemetallurgicalqualityandpropertiesofA35steelmadebyAISC，whichissame嬲ML35，havebeenstudiedalsoforsolvin

3、gtheproblemswhichwillbeencounteredintheproductionofhighstrengthboltsteelsinthefutureandmakinghigllqualitysteelsforhighstrengthbolts、^ritlllowcostandwithouttheuseoftheexpensiveprocessofthemakingofsteelThroughanalysingthed

4、evelopmentofthehighstrengthboltsteelsandthetechnologicalrequirementsoffabricatinghigllstrengthbolts，thelowcarbonmartensitesteelsandsteelswithoutfinalheattreatmentareconsideredtobegoingtobecurrentAccordingtothecapacityand

5、facilityofproductionafterthefirstperiodoftechnotogicalrenovatingprojectsandtheanalysisofthepracticabilityandcommercialbenefitoftheproductionofhighstrengthboltsteels，theproductionofhighstrengthboltsteelsofclass88～129inAIS

6、CisbelievedtobepracticalandhasmuchcommercialandsocialbenefitTheresultsoftheresearchesOnthecoldheading，nonmetallicinclusion，microstructu弛andmechanicalpropertiesofA35steelforhighstrengthboltSofclass88fromAISCshow：(1)A35ste

7、elmadebyconvertertappingwithskimmerballsyntheticflauxrefiningandladleargonstizringhasasatisfiedcleanlinessandthesumma矗onofinclusioninitislessthanorequalto25gradeTheinsideofthissteelhashighqualityandcoldheadingcapacity(2)