... TB/T2344-93 Q/WG(DX)01-85 UIC860Crane Rail:YB/T5055-93grade:Q235,55Q,U71,U71Mn,45Mn,51Mnsize:light rail ... : GB:9kg,12kg,15kg,22kg,30kg; YB: 5kg,8kg,11kg,15kg,18kg,24kgheavy rail: 33kg,38kg,43kg ... /m)StandardQU7012012070281252.8GBQU8013013080321263.69GBQU100150150100381288.96GBQU12017017012012118.1GB high-quality rail steel 1