GOST 3068-88

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	GOST 3068-88 DOUBLE LAYER STEEL ROPE  OF TK TYPE CONSTRUCTION 6 х 37 (1 + 6 + 12 +18) + 1 х 37 (1 + 6 +12 +18)
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			Lay type
of rope	of wire				1570 (160)	1670 (170)	2160 (220)
	of the central	in layers 252 pcs.			Total breaking effort of all wires in the rope, N (not less than)				С	Ж	untwisted	twisted
4,7	0,24	0,22	9,89	87,7	—	—	21300	1500	+	—	Н	Р
5,1	0,26	0,24	11,76	104,5	—	—	25350	<<	+	—	Н	Р
5,5	0,28	0,26	13,81	122,5	—	—	29750	<<	+	—	Н	Р
5,9	030	0,28	16,02	142,5	—	—	34500	<<	+	—	Н	Р
6,4	0,32	0,30	18,38	163,0	—	—	39600	<<	+	+	Н	Р
7,2	0,36	0,34	23,59	209,5	36950	39300	50850	<<	+	+	Н	Р
8,0	0,40	0,38	29,46	261,5	46150	49050	—	<<	+	+	Н	Р
8,6	0,45	0,40	32,79	291,0	51400	54600	—	<<	+	+	Н	Р
10,5	0,55	0,50	51,16	454,0	80200	85200	—	<<	+	+	Н	Р
13,0	0,65	0,60	73,56	652,5	115000	122500	—	<<	+	+	Н	Р

NOTES:

1. Ropes are produced according to:
• Application: for people and cargoes (ГЛ), for cargoes (Г);
• Wire mechanical properties:  of BK mark — height quality, of  В mark — increased quality, of mark 1 — normal quality;
• Wire surface coating : without coating, with zinc coating;
• Lay direction: right, left (Л);
• Lay Type: untwisted (Н), twisted;
• Precision of manufacturing: normal, increased (Т).
2. The minimum rope length is 200 m.
3. Recommended applications: as cargo ropes on minor lifts.