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1、2FundamentalsofIronandSteelMaking2.1VocabularyPreparation〔Study,translateandmemorizethefollowingwordsandexpressionsbeforeclass.〕alloysteels合金钢chromium['krəumjəm]n.[化学]铬hardnessstrengthwearresistance耐磨性heatresistancecorrosionresistanceaxles轴['æksəl]bolts螺栓springsstuds[s
2、tʌd]双头螺柱chisels凿子['tʃizəl]dies模具drills[drilz]钻头filesnickel['nikəl]yieldpoint【力学】屈服点ductility[dʌk'tiləti]延展性depthofhardening淬火深度硬化深层；硬化深度；淬硬深度；淬火深度hardnesspenetration·heavydutyproducts重型；重载；heavytype,heavytax·molybdenum[mɔ'libdinəm]钼hardenability[,hɑ:dənə'biləti]n.可硬化性；
3、淬硬性forged锻造的vanadium[və'neidiəm]钒fatiguestrength疲劳强度tungsten['tʌŋstən]钨high-speedtoolsteel工具钢titanium[tai'teiniəm,ti-]钛coppermachinability.切削性；机械[mə,i:nə'biləti]manganese['mæŋɡə,ni:s,,mæŋɡə'ni:z]锰silicon硅上游资源Upstreamresources铁矿石ironore焦煤焦炭Cokingcoalcoke铁合金ferroalloy·废钢
4、steelscrap全球配置globalallocation·统筹规划overallplanning·布局overallarrangementspongyiron海绵铁bellows'beləuz]波纹管·coke焦炭asteeprise急升hearth[hɑ:θ]炉边；炉床blastvolume鼓风量·regenerative[ri'dʒenəreitiv再生的hotblaststove热风炉；热鼓风炉热风炉；热鼓风炉airheatingfurnacecokeratio焦比；焦炭比；煤焦比·castiron铸铁，生铁，锻铁wrou
5、ghtiron锻铁，熟铁HenryBessemer亨利·贝西默hotmetal铁水impurities杂质mainstay支柱·pigiron生铁scrap碎片open-hearthprocess【冶金学】平炉炼钢法武汉钢铁集团·矿山采掘mining炼焦coking烧结firing·炼铁puddling·炼钢steelmaking·轧钢steelrolling配套公辅设施Supportingandauxiliaryfacilities《财富》世界500强FortuneGlobal500·普碳钢carbonsteel不锈钢stainl
6、esssteel特钢SpecialSteel2.2SkillPractice&KnowledgeBuild-up2.2.1Memory2.2.2SightInterpreting〔E-C:SightI〕Alloysteelshavespecialpropertiesdeterminedbymixtureandtheamountofothermetalsadded.Alloyelementsareaddedtosteelforthefollowingbasicpurposes.ChromiumTheadditionofchromium
7、impartshardness,strength,wearresistance,heatresistance,andcorrosionresistancetosteels.Chromiumalloysarecommonlyusedinaxles,bolts,springs,andstudsforautomobiles.Theyarealsousedintoolsteelforchisels,dies,drills,files,knives,andshears.NickelTheadditionofnickelincreasesstr
8、ength,yieldpoint,hardness,andductility.Italsoincreasesthedepthofhardening.Nickelincreasescorrosionresistanceandisoneo
