Basic dimensions of elevator guide rails and their accessories Type Guide rail Fishplate Clip Screw T70-1/b 70mm*65mm*9mm 250*70*10 8k M12*35 T50/a 50mm*50mm*5mm 200*50*8 8k M8*25 T75-3/b 75mm*62mm*10mm 240*75*10 8k M12*35 T89/b 89mm*62mm*16mm 305*90*13 13k M12*40 T127-2/b 127mm*89mm*16mm 305*130*18 24k M16*55 T90/b 90mm*75mm*16mm 305*90*13 13k M12*40 T78/b 78mm*56mm*10mm 240*75*10 8k M12*35 T114/b 114mm*89mm*16mm 305*120*18 18k M16*50 T82/b 82.5mm*68.25mm*9mm 216*80*10 13k M12*35 T45/a 45mm*45mm*5mm 160*50*8 8k M8*25 2. Processing methods: machining or cold drawing 3. Packing: Xinxing standard packing: all types of guide rails are packed in bundles, with protective sheathes protecting both ends and each bundle repacked in blue plastic sheeting. 4. Material: all types of guide rails material is q235. 1 Item grade Chemical composition C Mn Si S P Q235 0.14-0.22 0.35-0.65 0.12-0.30 ín0.05 ín0.045 Mechanical property Yield strength n/mm2 Tensile strength n/mm2 Elongation í²235 375-520 í²24. All types of guide rails are packed in bundles, with protective sheathes protecting both ends and each bundle repacked in blue plastic sheeting.