Radial　properties　of　wax　deposits　in　crude　oil　pipeline　are　of　great　significance　for　the　selection　of　wax　removal　process.　Herein,　the　wax　deposits　were　obtained　in　a　flow　loop　device　and　the　important　characteristics　of　wax　crystal　morphology　and　yield　stress　were　quantitatively　analyzed.　The　polarizing　microscopic　observations　revealed　that　the　amount　and　size　of　wax　crystals　increased　in　the　radial　from　deposit　surface　to　bottom,　while　the　aspect　ratio　and　boundary　fractal　dimension　varied　little,　ranging　from　1.68–1.80　and　1.61–1.75,　respectively.　In　addition,　the　yield　stress　of　wax　deposit　was　found　to　increase　with　the　rise　of　wax　content　and　deposition　duration,　ranging　from　5310–16,400　Pa　in　the　cold　flow　experiments　and　7550–24,500　Pa　in　the　hot　flow　experiments.　Furthermore,　the　bottom　deposit　was　stronger　in　structure　and　presented　higher　yield　stress　than　the　surface　deposit.　This　work　provides　a　whole　understanding　on　the　wax　deposit　properties　in　different　radial　positions　and　is　of　great　help　to　the　analysis　of　pig　force　and　pig　selection.　©　2022　Taylor　&　Francis　Group,　LLC.