... q235b Standard: GB11264-89 standard, yb222-63 standard Length: 6-12m 2. Heavy rail of GB2585-2007 standard Size: 38kg, 43kg, ... ISCR100, ISCR120 Standard: ISCR standard Material: 55Q/U71mn Length: 9-12m 10. American standard steel rail Size: ASCE25, ASCE30, ASCE40, ASCE60 ... standard, AREMA standard Material: 700/900A/1100 Length: 6-12m, 12-25mCrane rail,Armenia steel rail,steel rail supplier,rails20lb ...