T45/A,T50/A elevator guide rail

Features:1.International standard ISO7465 2.Passed the verification of ISO9001 quality system 3.Specifications:T45/A,T50/ADimensions of Cold Drawn Guide RailCOD.ISO7465:2001b1h1hkncgfrsm1m2t1t2TOLERANCES±1.5±0.1(±0.05)+0.10(+0.05)(0)+30±0.75+0.060(+0.03)(0)-0.060(-0.03)(0)±0.1±0.1T45/A45455121.952.502.00T50/A50505121.952.502.00Dimensions of Fishplate and Joint Holes of Cold Drawn Guide RailCOD.ISO7465:2001dd1lb2b3l1l2l3AmmmmmmmmmmmmmmmmmmTOLERANCES+30±0.2±1.5±0.2±0.2+20T45/A9502516065158+1.0T50/A9503020075258+1.0Chemical Composition and Mechnical Property of Guide Rail Steel CODES/STANDARDSRail Compositions %(N/mm2 or MPa)(%)CSiMnPSYield StressTensile StrengthElongationISO 630<0.21<0.4<1.5<0.045<0.045>275410~540>22YB/T 157-1999Q235A0.14~0.22<0.30.30~0.65<0.045<0.050>235375~460>26YB/T 157-1999Q255A0.18~0.28<0.30.40~0.70<0.045<0.050>255410~510>24
T45/A,T50/A elevator guide rail