Grade:Q235,55Q Specification:9kg/m,12kg/m,15kg/m,18kg/m,22kg/m,24kg/m,30kg/m. Length:6m,8m,9m,10m,12m Specifications for Railway rail1Standard:GB11264-89, YB222-63, GB2585-20072Size:6kg, 9kg, 12kg, 15kg, 22kg, 30kg, 8kg, 18kg, 24kg, 38kg, 43kg, 50kg3Length:6-12m4Material:55Q/Q235B/U71Mn/50Mn5Certificate:ISO, MTC, SGS6Delivery term:5-25 days Light and Heavy railway rails