GB Heavy Rail
Material: 50Mn, U71Mn
Standard: GB2585-81
length:12.5m
It is in high quality and resonable price

GB Heavy Rail
Specification: 38kg/m, 43kg/m, 50kg/m
Unit Weight: 38.733kg/m, 44.653kg/m, 51.514kg/m
Length: 12.5m
Material: 50Mn, U71Mn
Standard: GB2585-81