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The cast iron has a great influence on the mechanical properties
Summary:
Due to many factors, iron castings often have defects such as air hole, pinhole, slag inclusion, crack and pit. Commonly used repair equipment is argon arc welding machine, resistance welding machine, cold welding machine
The cast iron has a great influence on the mechanical properties
Thecastironhasagreatinfluenceonthemechanicalproperties
GB/t 1497-1988双金属因素，铁柔软剂，针孔，夹渣剂，crackandpit.commonlyusedrepairequipmentisargonarcweldingmachine，折弯机，冷冻机，etc.forcastingdefectswithlowqualityandappearancerequirements，argonarcweldingmachinewithhighcalorificvalueandsuitablespeedcanbeusedtorepairthem.
Thequalityofironcastingshasagreatinfluenceonthepropertiesofmechanicalproducts.thequalityofironcastingsincludesappearancequality，internalqualityandservicequality.appearancequalityreferstosurfaceroughness，表面缺陷、尺寸偏差、shapedeviationandweightdeviationofcastings；theinternalqualitymainlyreferstothechemicalcomposition，物理性能、力学性能、金相组织、气孔、裂纹、inclusionsandsegregationinthecasting；servicequalityreferstotheabilityofcoppercastingstoworkforalongtimeunderdifferentconditions，等主要性能指标、主要性能指标、耐寒性、耐热性、疲劳性、减震性、可加工性、可焊性和可加工性。
Thecastironhasagreatinfluenceonthemechanicalproperties
The cast iron has a great influence on the mechanical properties
