GOST 7669-80
GOST 7669−80 the double lay rope, type LC-RO construction 6х36 (1+7+7/7+14)+7x7 (1+6). Assortment (with Amendments No. 1, 2)
GOST 7669−80
The Group Of 75
INTERSTATE STANDARD
The DOUBLE LAY ROPE, TYPE LC-RO CONSTRUCTION 6х36 (1+7+7/7+14)+7x7 (1+6)
Assortment
Two lay rope type LK-RO, construction 6х36 (1+7+7/7+14)+7x7 (1+6)
Dimensions
ISS 77.140.65
OKP 12 5100, 12 5200
Date of introduction 1982−01−01
Resolution of the USSR State Committee for standards of 23 April 1980, N 1836 date of introduction is established 01.01.82
The expiration time limit is removed by the Resolution of Gosstandart from
REPLACE GOST 7669−69
Edition (may 2011) with Amendments No. 1, 2 approved in November 1986, November 1991 (IUS 2−87, 2−92)
1. This standard applies to steel cables with double lay linear touch the wires in the strands type LK-RO with a metal core MS.
2. The ropes are classified by signs
for the purpose:
gruzolyudskie — GL,
freight — G;
mechanical properties grades: VC, V, 1;
by coating the surface of wire rope:
from wire without coating,
galvanized wire depending on the surface density of zinc: C, W, coolant;
direction of lay:
right
left — L;
the combination of the guide elements of lay of rope:
Phillips,
unilateral —
combination — K;
by way of lay:
prosrochena — N,
unwinding;
for precision manufacturing:
normal
high — T;
according to the degree of balance:
ratowanie — R,
neritani.
Examples of symbols
Rope diameter 25.0 mm, gruzopodemnogo destination from wire without coating, of the brand, right-hand cross-lay, prescripcialis, Neradovsky, high precision, marking the group 1770 N/mm(180 kgf/mm
):
Rope 25-GL-V-N-T-1770 GOST 7669−80
Same, diameter 30,0 mm, cargo destination, marks I, galvanized by the group W, left unilateral lay, spun, ratowania, normal accuracy, marking groups 1370 N/mm(140 kgf/mm
):
Rope 30-G-I-F-L-O-R-1370 GOST 7669−80
3. The diameter of rope and basic parameters shall be as specified in the table.
________________
* The text of the document matches the original. — Note the manufacturer’s database.
Continued
Continued
Notes:
1. The ropes, breaking strength of which is given to the left of the bold line are made of wire without coating and galvanized. Ropes of galvanized wire groups W and coolant diameters and 57,0 72,0 mm marking groups 1370 N/mm(140 kgf/mm
), a 45.5−52,0 mm marking group 1470 N/mm
(150 kgf/mm
), 35,5−52,0 mm marking groups 1570 N/mm
(160 kgf/mm
), 35,5−42,0 mm marking group 1670 N/mm
(170 kgf/mm
), 23,0−39.0 mm marking group 1770 N/mm
(180 kgf/mm
), of 13.0−19.5 mm marking group 1960 N/mm
(200 kgf/mm
) are made by agreement between manufacturer and consumer.
The ropes, breaking strength of which is given to the right of the bold line are made of wire without coating. Allowed in coordination with the consumer manufacturing of ropes, galvanized wire.
2. The diameters of the ropes over 10mm rounded to whole numbers or to 0.5 mm.
2, 3. (Changed edition, Rev. N 1, 2).
4. Technical requirements, acceptance rules, test methods, packaging, marking, transportation and storage GOST 3241−91.
