Grade:Q235,55Q,50Q Specification:9kg/m,12kg/m,15kg/m,18kg ... 10m,12m Specifications for Railway rail1Standard:GB11264-89, YB222-63, GB2585-20072Size:6kg, 9kg, 12kg, 15kg, 22kg, 30kg, ... :ISO, MTC, SGS6Delivery term:5-25 days LIGHT RAIL GB11264-89SIZEDIMENSION(mm)WEIGHT (kg/m)MATERIALLENGTH (m ... 33107.95107.9512.330.1Q235/55Q 6-12 HEAVY RAIL GB2585-2007SIZEDIMENSION(mm)WEIGHT (kg/m)MATERIALLENGTH (m)HEAD ...