Biaxially　textured　super-high　tungsten　Ni–W　alloy　substrates　have　been　fabricated　through　the　composite　substrate　method　in　view　of　coated　conductor　applications.　The　tungsten　content　exceeds　10%　in　the　obtained　substrates.　The　excellent　super-high　tungsten　substrate　(Ni10W)　had　a　strong　cube　texture　consistent　with　commercial　Ni5W　and　better　than　Ni8W　or　Ni9W　substrate.　Furthermore,　yield　strength　∼310　MPa　(twice　of　Ni5W)　and　saturation　magnetization　of　only　4%　to　that　of　Ni5W　at　the　temperature　of　77　K　was　calculated　for　Ni10W　substrate.　The　novel　Ni10W　substrate　with　strong　cube　texture　and　negligible　magnetization　is　best　suited　to　be　utilized　for　2nd　generation　coated　conductor　REBCO.　It　can　significantly　improve　the　progress　of　using　the　RABiTS　route　in　the　fabrication　of　REBCO　tapes.　Meantime,　the　mechanisms　of　the　cube　evolution　and　elements　diffusion　in　super　high　tungsten　substrate　are　also　studied.　©　2019　Elsevier　B.V.