SPECIFIEDFOUND标准值实测值石墨长度3-84-6C3.2-3.53.4%AA型为主90%205Si2.2-2.52.3%B少量5%Mn0.6-0.90.8%C少量NoP≤0.20.04%D少量5%S≤0.150.03%E少量NoCuCrSnNiMoTiAlReMgSPECIFIEDFOUNDFOUNDFOUND标准值实测值1实测值2实测值3MATRIX基体1111111CHEMICALANALYSIS化学分析GREYIRONMICROSTRUCTURE灰铁的显微组织GRAPHITE石墨%PEARLITE珠光体%细片状珠光体为基体1-4级%FERRITE铁素体%余量%CARBIDE碳化物%少量%STEADITE磷共晶%少量DISPERSITY分散度弥散分布PHYSICALTESTGRAY灰铁的机械性能YieldStrenght屈服强度MpaElongation延伸率备注NOTEACCRPT■合格TENSILE抗拉强度MpaVerifire审核Tester实验者试验名称:硬度、金相、理化、性能MaterialSPEC材料标准HT200TestName90%10%NoSPECIFIED标准值REJECT□不合格≥200Mpa250Mpa实测值170-229NoChongqing**miningequipmentCo.,Ltd.重庆*******有限公司METALMATERIALLABTESTREPORT金属材料综合实验报告HARDNESSPartName/No.零件名称/零件号硬度(HB)ELEMFOUND实测值SPECIFIED标准值DATE试验日期2014.7.30FOUND