... Length:6m,8m,9m,10m,12m Specifications for Railway rail1Standard:GB11264-89, YB222-63, GB2585-20072Size:6kg ... , MTC, SGS6Delivery term:5-25 days LIGHT RAIL GB11264-89SIZEDIMENSION(mm)WEIGHT (kg/m)MATERIALLENGTH ( ... U71Mn12.5GB 50KG7015213215.551.51450Mn/U71Mn12.5 CRANE RAIL YB/T5055-93SIZEDIMENSION(mm)WEIGHT (kg/m ... 4U71Mn10CR 731001351403273.3U71Mn10CR 10012015015539100.2U71Mn10 Railway Steel Rail Track