Mass and Breaking Force for 17X7(6-1) and 18X7(6-1) Construction Ropes
Nominal Rope Dia. |
Approx Mass of Rope |
Minimum Breaking Force corresponding to Rope Grade of |
1570 |
1770 |
1960 |
FIBRE CORE |
STEEL CORE |
FIBRE CORE |
STEEL CORE |
FIBRE CORE |
STEEL CORE |
FIBRE CORE |
STEEL CORE |
(CF) |
(CWR) |
(CF) |
(CWR) |
(CF) |
(CWR) |
(CF) |
(CWR) |
(1) |
(2) |
(3) |
(4) |
(5) |
(6) |
(7) |
(8) |
(9) |
mm |
Kg/100Mtr |
KN |
KN |
KN |
KN |
KN |
KN |
8 |
24.5 |
25.7 |
32 |
33 |
36 |
37 |
40 |
41 |
9 |
31.0 |
32.6 |
41 |
42 |
46 |
47 |
51 |
52 |
10 |
38.3 |
40.2 |
50 |
52 |
56 |
58 |
62 |
64 |
11 |
46.3 |
48.6 |
61 |
62 |
68 |
70 |
76 |
78 |
12 |
55.1 |
57.9 |
72 |
74 |
81 |
84 |
90 |
93 |
13 |
64.7 |
67.9 |
85 |
87 |
95 |
98 |
106 |
109 |
14 |
75 |
78.8 |
98 |
101 |
111 |
114 |
122 |
126 |
15 |
86 |
90 |
113 |
116 |
127 |
131 |
141 |
145 |
16 |
98 |
103 |
128 |
132 |
144 |
149 |
160 |
165 |
18 |
124 |
130 |
162 |
167 |
183 |
188 |
202 |
208 |
19 |
138 |
145 |
181 |
186 |
204 |
210 |
225 |
232 |
20 |
153 |
161 |
200 |
206 |
226 |
232 |
250 |
257 |
22 |
185 |
195 |
242 |
249 |
273 |
281 |
302 |
311 |
24 |
220 |
232 |
288 |
297 |
325 |
335 |
360 |
370 |
25 |
239 |
251 |
313 |
322 |
352 |
363 |
390 |
402 |
26 |
259 |
272 |
338 |
348 |
381 |
393 |
422 |
435 |
28 |
300 |
315 |
392 |
404 |
442 |
455 |
490 |
504 |
NOTE:- To Calculate the Aggregate Breaking Force, Multiply the figures given in col 4,6 and 8 by 1.282 and in col 5,7 and 9 by 1.319. |