... . 5kg/m,8kg/m,11kg/m,15kg/m,18kg/m,24kg/m Material, Q235 ,55Q Standard, GB Length. 6m,8m Our company Tangshan Yunfeng Industrial & trading Co,.ltd ... :www.tsyfgm.comOur product details as followed;RAIL SIZE(KG/M)Specification (mm)Section area F(mm2)Theoretical weight (KG ... /M)ABCDLightRails55044224.56.415.0386554257.010.768.421180.566327.014.3111. ...