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GOST 7676-73

ГОСТ 7676-73 GOST 7676-73 BEARING ROPE OF CLOSED CONSTRUCTION WITH TWO LAYERS OF WEDGE-SHAPED WIRE AND ONE LAYER OF Z-SHAPED WIRE AND CORE OF TK TYPE
Diameter, mm Round wire Wedge-shaped wire of the 1st layer Wedge-shaped wire of the 2-nd layer Z-shaped wire Sectional area of all wires,  mm2    Weight of 1000m lubricated rope, kg Marking group, N/mm2 (kgf/mm2) Maximum rope length, m Zinc covering Group
Diameter, mm Quantity, pcs. Height, mm Quantity, pcs. Projected sectional area of all wires, mm2 Height, mm Quantity, pcs. Projected sectional area of all wires, mm2 Height, mm Quantity, pcs. Projected sectional area of all wires, mm2 1180 (120) 1470 (150) 1670 (170) С Ж
Total breaking effort of all wires in the rope, N (not less than)
50,0 3,60 19 5,00 18 17,8 5,00 24 19,2 6,00 24 30,8 1713,80 54695,1 2010000 2515000 285000G 1159 + +
52,0 4,00 << << 19 << << 26 << << 25 << 1846,16 15828,3 2170000 2705000 3070000 << + +
54,0 4,40 << << 20 19,0 << 27 << << 26 << 1988,10 17043,7 2335000 2920000 3305000 << + +
55,0 3,40 37 4,50 21 17,2 << 27 << << 26 << 201633 17280,6 2365000 2955000 3355000 << + +
60,0 4,10 << << 24 << << 30 20,1 << 28 323 2408,69 20636,0 2830000 3535000 4005000 << + +
65,0 3,70 61 << 26 183 << 33 << << 30 << 2763,97 23673,1 3245000 4060000 4600000 << + +
70,0 4,30 << << 30 << << 33 22,5 << 37 28,5 3231,84 27671,2 3795000 4745000 5380000 1000 + +

NOTES:

  1. Ropes are produced according to:
    • Application-for people and cargoes (ГЛ), for cargos (Г);
    • Wire mechanical properties: of BK mark - high quality; of B mark -    increased quality, of mark 1 - normal quality; increased quality, of mark 1 - normal quality,-
    • Wire surface coating: without coating, with zinc coating;
    • Lay direction: right and left (Л);
    • Lay type: untwisted (H), twisted;
    • Precision of manufacturing: normal, increased (T).
  2. Ropes of galvanized wire with С covering group of marking groups 1 180 (1 20), 1270 (130) spinning (P) are made serially; of higher marking groups are produced on agreement.
  3. Ropes with marking group 1470 (150) and higher as long as wire ropes with a zinc covering on group Ж are made upon agreement
  4. The minimal rope length is 200 m.
  5. Recommended applications: on pendant rope roads and cables - cranes as bearing ropes,   walking excavators   and at building of various technical constructions as guys.
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