ThepropertiesofFeMnSiCrNishapememoryalloywereinvestigated.TheresultsshowthatthebestshapememoryeffectofFel4Mn6Si9Cr5Nialloyis85%.Thetransformationamountoftheε→γtransformationisnotcompleteafterheatingthealloyto1000K,AsandAfpointsdropwithincreasedtransformationenthalpy(△Hγ→ε)bythermalcyclingandincreasedprestrain.Thealloyshowsalsogoodcreepandstressrelaxationresistance.Inaddition,thealloyhavingatensileforceof20kNandasealingpressureof6MPacansatisfyrequirementsforpossibleindustrialapplicationonpipejoints.