The industry standard for elevator wire rope

一: double steel grade double strength, 45 # steel, steel, 65, 1370 n/was 1770 mpa,

二: the single steel grade, the strength, steel no. 65, 1770 n/was. The elevator wire rope according to national standards are sisal rope core and PPC, synthetic fiber, high speed elevator wire rope specifications for 19 s + 8 * 8 * 7 + pp, 19 s + 8 * 8 * 7 + 1 * 19