... in various kinds of steel rails. It is including light rails, heavy rails, crane rails and rail fittings. (1)Light rails: 9kg, 12kg, 15kg, 18kg ... : 6m~12m Executive standard: refer to GB11264-89… (2)Heavy rails: 38kg, 43kg, 50kg, 60kg Steel grade: U71Mn / 50Mn and so ... .5m Executive standard: refer to GB2585-81/QB (3)Crane rails: QU70, QU80, QU100, QU120 Steel grade: U71Mn / U75V Cut length ...