Guide rail Detailed Product Description1.Our Product follow the standard:ISO7465 2.We can supply all kinds of elevator guide rail: T45/A:45*45*5mm T50/A,:50*50*5mm T70-1/B:70*65*9mm T75-3/B:75*62*10mm T78/B:78*56*10mm T82/B:82.5*68.25*9mm T89/B:89*62*15.88mm T90/B:90*75*16mm T114/B:114*89*16mm T127-1/B:127*88.9*15.88mm T127-2/B:127*88.9*15.88mm TK3:75*55*10mm TK5:87*60*16.4mm TK3A:78*60*16.4mm TK5A:78*60*16.4mm 3.We have passed ISO9001:2000 4.We also can process non-standard products with the references to the customer' s requirements. Material Performance Steel Yield StrengthN/mm2Tensile StrengthN/mm2ElongationHBQ235≥235370-520≥40%≤143 Chemical Composition C MnSiSP≤0.280.30-0.70≤0.30≤0.045≤0.045