Item:44444444Process ResponsibilityModel Year(s)/Program(s)Key DateCore TeamControlsPreventionMaterial chemicalcompositiondoes not meet materialspecificationField failure3 C Supplier shipped incorrector sub-standard materialIncoming material inspection perspecification QIQA10Material mechanicalproperties do not meetmaterial specificationField failure3Supplier shipped incorrect orsub-standard materialIncoming material inspection perspecification QIQA10Impuritymachining isdifficulty3No enough fluxing orimpurities not skimmed fromthe furnceIncoming material inspection perspecification QIQA10Fe%+2Cr%+3Mn%