guide rail:elevator guide rail T89/B 1.Our Product follow the standard:ISO7465:2001 2,Dimmensions(mm)Typeb1h1hk1ncgfrsm1m2t1t2ll3l2b3dd1±1.5±0.75±0.1+0.1+3±0.75±0.75±0.1±0.1+3±0.2±0.2±0.200T89/B89626115.8833.4107.911.136.46.377.146.3515638.1114.357.213263.We has passed ISO9001:20004.We can product many kinds of elevator guide rail.T45/A:45*45*5mmT50/A:50*50*5mmT70-1/B:70*65*9mmT75-3/B:75*62*10mmT78/B:78*56*10mmT82/B:82.5*68.25*9mmT89/B:89*62*15.88mmT90/B:90*75*16mmT114/B:114*89*16mmT127-1/B:127*88.9*15.88mmT127-2/B:127*88.9*15.88mmTK3:75*55*10mmTK5:87*60*16.4mmTK3A:78*60*16.4mmTK5A:78*60*16.4mm5.Material Quality According To Q235AChemical CompositionSteelCMnSiSPQ235A0.14-0.150.33-0.520.13-0.160.0270.013-0.017