It is including light rails, heavy rails, crane rails and rail fittings.
1)Light rails: 9kg, 12kg, 15kg, 18kg, 22kg, 24kg, 30kg
Steel grade: 55Q / Q235
Length: 6m~12m
Executive standard: refer to GB11264-89…

2)Heavy rails: 38kg, 43kg, 50kg, 60kg
Steel grade: U71Mn / 50Mn and so on
Length: 12.5m