GOST 7668-80

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	GOST 7668-80 DOUBLE LAY ROPE OF ЛК-РО TYPE CONSTRUCTION 6 х 36 (1 + 7 + 7/7 +14) + 1 FC
Diameter, mm						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			For cargoes and people
of rope	of wire							1370 (140)	1670 (170)	1960 (200)
	central 6 pcs.	of the 1st layer 42 pcs..	of the 2nd layer		of the 3rd layer 84 pcs.
			42 pcs.	42 pcs.				Total breaking effort of all wires in the rope, N (not less than)				С	Ж	ОЖ	without covering	galv.
13,5	0,80	0,60	0,60	0,45	0,75	70,55	696,5	—	117500	138000	1500	+	+	—	—	—
15,0	0,90	0,65	0,65	0,50	0,80	82,16	812,0	—	136500	161000	<<	+	+	—	—	—
16,5	1,05	0,75	0,75	0,55	0,90	105,73	1045,0	—	176000	207000	<<	+	+	—	—	—
18,0	1,10	0,80	0,80	0,60	1,00	125,78	1245,0	—	209500	246500	<<	+	+	+	+	+
20,0	1,20	0,90	0,90	0,65	1,10	153,99	1520,0	—	256500	301500	<<	+	+	+	+	+
22,0	1,30	1,00	1,00	0,70	1,20	185,10	1830,0	253500	308000	362500	<<	+	+	+	+	+
23,5	1,50	1,05	1,05	0,80	1,30	215,94	2130,0	296000	359500	423000	1000	+	+	+	+	+
25,5	1,60	1,15	1,15	0,85	1,40	252,46	2495,0	346000	420500	494500	<<	+	+	+	+	+
27,0	1,70	1,20	1,20	0,90	1,50	283,79	2800,0	389000	472500	556000	<<	+	+	+	+	+
29,0	1,80	1,30	1,30	0,95	1,60	325,42	3215,0	446000	542000	637500	1500	+	+	+	+	+
31,0	1,90	1,40	1,40	1,00	1,70	369,97	3655,0	507500	616000	725000	<<	+	+	+	+	+
33,0	2,00	1,50	1,50	1,10	1,80	420,96	4155,0	577500	701000	825000	<<	+	+	+	+	+
34,5	2,10	1,55	1,55	1,15	1,90	461,07	4550,0	632500	768000	903500	<<	+	+	+	+	+
36,5	2,20	1,60	1,60	1,20	2,00	503,09	4965,0	690000	838000	986000	<<	+	+	+	+	+
38,5	2,30	1,70	1,70	1,25	2,10	558,07	5510,0	765500	929500	1090000	<<	+	+	+	+	+
39,5	2,40	1,80	1,80	1,30	2,20	615,95	6080,0	845000	1025000	1205000	<<	+	+	+	+	+
42,0	2,60	1,90	1,90	1,40	2,30	683,68	6750,0	938000	1135000	1340000	<<		+	+	+	+
43,0	2,70	1,90	1,90	1,40	2,40	717,18	7120,0	983500	1190000	1405000	<<	+	+	+	+	+
44,5	2,80	2,00	2,00	1,50	2.50	787,38	7770,0	1080000	1310000	1540000	1300	+	+	+	+	+
46,5	2,90	2,10	2,10	1,50	2,60	850,76	8400,0	1165000	1415000	1665000	<<	+	+	+	+	+
48,5	3,00	2,20	2,20	1,60	2,70	927,12	9155,0	1270000	1540000	1815000	<<	+	+	+	+	+
50,5	3,10	2,30	2,30	1,70	2,80	1006,85	9940,0	1380000	1675000	1970000	1300	+	+	+	+	+
53,5	3,30	2,40	2,40	1,80	3,00	1131,96	11150,0	1550000	1885000	—	<<	+	+	+	+	+
56,0	3,40	2,50	2,50	1,90	3,10	1219,89	12050,0	1670000	2030000	—	<<	+	+	+	+	+
58,5	3,60	2,60	2,60	2,00	3,20	1314,56	13000,0	1800000	2190000	—	1000	—	—	—	+	—
60,5	3,70	2,70	2,70	2,05	3,40	1446,74	14250,0	1980000	2410000	—	<<	—	—	—	+	—
63,0	3,80	2,80	2,80	2,10	3,50	1538,92	15200,0	2110000	2560000	—	<<	+	+	—	+	+
65,0	3,90	2,90	2,90	2,15	3,60	1634,03	16100,0	2240000	2720000	—	<<	+	+	+	+	+
68,0	4,10	3,00	3,00	2,25	3,80	1792,62	17700,0	2455000	2985000	—	<<	+	+	+	+	+
72,0	4,30	3,20	3,20	2,40	4,00	2008,28	19800,0	2755000	3345000	—	<<	+	+	+	+	+

NOTES:

1. Ropes are produced according to:
• Application-for people and cargoes (ГЛl), for cargos (Г);
• Wire mechanical properties: of BK mark - high quality; of B mark -    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, which breaking effort is specified to the right of a fat   line, are made of a wire without coating.
3. Galvanized ropes of OЖ group are made upon agreement.
4. The minimal rope length is 200 m.
5. Ropes of more then 16 tons are delivered on customer's metal drums.
6. Recommended applications are - hoisting-and-transport machines, mine elevating machines, digging road machines, elevating installations of an iron and steel industry, ship elevating installations.