GOST 7667-80

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	GOST 7667-80 DOUBLE LAY ROPE OF ЛК-3 TYPE CONSTRUCTION 6 х 25 (1 + 6;6 + 12) + 7 х 7(1 + 6)
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 people and cargoes
of rope	of wire							1370 (140)	1670 (170)	1960 (200)
	of core		of the external strands
	of the central 7 pcs.	in the layers 42 pcs.	of the central 6pcs.	in the layers 108 pcs.	feeling 36 pcs.			Total breaking effort of all wires in the rope, N (not less than)				С	Ж	without covering	galv.
12,5	0,55	0,50	0,90	0,80	034	71,29	654,5	—	118500	139500	1000	+	+	—	—
14,0	0,60	0,55	1,00	0,90	038	89,46	821,0	—	149000	175000	<<	+	+	+	+
15,5	0,65	0,60	1,15	1,00	0,40	109,78	10005,0	—	182500	215000	<<	+	+	+	+
17,0	0,70	0,65	1,25	1,10	0,45	13235	1210,0	—	220000	259000	<<	+	+	+	+
19,0	0,80	0,75	135	1,20	0,50	159,88	1465,0	219000	266000	313000	<<	+	+	+	+
20,5	0,85	0,80	1,45	130	0,55	186,90	1715,0	256000	311000	366000	<<	+	+	+	+
22,0	0,90	0,85	1,60	1,40	0,60	216,78	1990,0	297000	361000	424500	<<	+	+	+	+
23,5	0,95	0,90	1,70	1,50	0,65	248,10	2275,0	340000	413000	486300	<<	+	+	+	+
25,0	1,00	0,95	1,80	1,60	0,70	281,53	2580,0	386000	469000	551500	<<	+	+	+	+
27,0	1,10	1,00	1,90	1,70	0,75	317,69	2910,0	435500	529000	622500	<<	+	+	+	+
28,0	1,20	1,10	2,00	1,80	0,80	359,60	3290,0	493000	599000	704500	<<	+	+	+	+
31,0	1,30	1,20	2,20	2,00	0,85	439,31	4030,0	602500	731500	861000	<<	+	+	+	+
34,0	1,40	130	2,40	2,20	0,95	529,72	4860,0	726500	882500	1035000	<<	+	+	+	+
37,0	1,50	1,40	2,60	2,40	1,00	625,74	5740,0	858500	1040000	1225000	<<	+	+	+	+
41,0	1,70	1,60	2,80	2,60	1,10	744,88	6835,0	1020000	1240000	1455000	<<	+	+	+	+
44,0	1,80	1,70	3,10	2,80	1,20	864,16	7930,0	1185000	1435000	1690000	<<	+	+	+	+
47,0	1,90	1,80	330	3,00	130	989,23	9080,0	1355000	1645000	—	<<	+	+	+	+

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;
• Wire surface coating: without coating, with zinc coating;
• Lay direction: right and left (Л);
• Lay type: untwisted (H), twisted;
• Precision of manufacturing: normal, increased (I).
2. Ropes, which breaking effort is specified to the right of a fat   line are made of a wire without coating.
3. The minimal rope length is 200 m.
4. Recommended applications: mine inclined rise, road machines, and metallurgical cranes.