Introduction of GB QB Standard Light Steel Rails 55Q Q235B for Mine Use GB light crane rail track rail light Standard:GB11264-89  Material:Q235,Q235B,50Q,55Q  Weight:4kg/m, 8kg/m, 12kg/m, 15kg/m, 18kg/m, 22kg/m, 24kg/m, 30kg/m. Length:6m,8m,9m,10m,12m,etc GB QB Standard Light Steel Rails 55Q Q235B for Mine Use,  with the features of high level purity, precise chemical composition control, high dimensional accuracy and excellent surface quality,the products are mainly used in railway, tunnel, crane,etc. Main standards: Q/YY001-2008,Q/YYG002-2008,         GB2585-81,GB11264-89,GB2585-2007,         YB222-63,YB/T5055-93,TB/T2344-93,TB/T2635-2004, Main grades: Q235,Q235B,50Q,55Q       45Mn,50Mn,U71Mn,U71,U75V,U75VM,PG4       BS700,BS900A,UIC900A,UIC1100,       EN grades, AREMA grades Parameter of GB QB Standard Light Steel Rails 55Q Q235B for Mine Use The list of China Coal Light Steel Rails Name of Commodity Specification Materials  (Steel Grade) Standard of Products Theory Weight (kgs/M) Length of Dimension    (M) Packed In Bundle With Iron Wire (pcs/bundle) Light Rail 4kgs/m Q235 Q/YYG001-2008 4kgs/m 6,8,9,10 75 8kgs/m Q235 Q/YYG001-2008 8.42kgs/m 55 12kgs/m Q235 GB11264-89 12.2kgs/m 36 15kgs/m Q235/55Q/50Q GB11264-89 15.2kgs/m 28 18kgs/m Q235/55Q/50Q YB222-63 18.06kgs/m 21 22kgs/m Q235/55Q/50Q GB11264-89 22.3kgs/m 21 24kgs/m Q235/55Q/50Q Q/YYG001-2008 24.46kgs/m 21 30kgs/m Q235/55Q/50Q GB11264-89 30.1kgs/m 15