An　elastic-porous　composite　with　Cu-steel　bimetallic　wire　mesh　was　proposed　to　meet　the　requirements　of　damping,　vibration　reduction,　and　electrical　conductivity　of　aerospace　hardware　equipment.　Firstly,　the　samples　with　different　weight　ratios　(Cu/steel)　were　prepared　through　special　manufacturing　processes:　composite　wire　preparing,　helical　coil　encircling,　stretching　with　equal　pitch,　entangling　in　an　interlocked　pattern,　and　cold　stamping.　Secondly,　the　mechanical　performances　such　as　stiffness,　loss　factor,　and　tangent　modulus　were　characterized　by　the　static　compression　test.　Thirdly,　the　sensitivity　of　electrical　conductivity　to　the　loading　force　was　examined　by　mechanical-electrical　coupling　tests.　Finally,　the　influence　of　the　weight　ratio　(Cu/steel)　on　the　mechanical　and　electrical　properties　was　discussed.　The　results　show　that　the　Cu　elements　can　generally　improve　the　damping　capacity　and　reduce　the　stiffness　of　the　material.　The　resistance-force　curves　of　specimens　show　obvious　nonlinearity,　and　the　resistance　decreases　with　the　increase　of　compression　force.　The　conductivity　of　the　materials　increases　with　the　increasing　stiffness　and　weight　ratio　according　to　the　resistance-stiffness　curves.　©　2021　Trans　Tech　Publications　Ltd,　Switzerland.