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Table 1: Technical properties of synthetic and natural fibres
|
Material |
Polyester |
Nylon |
Polypropylene |
Polyethylene |
Cotton |
Sisal |
Manila |
|
Tenacity in cN/dtex |
8.5 |
9.0 |
6.5 |
5-6 |
2-3 |
4-5 |
5-6 |
|
Elongation at 20% break strength |
16–18% |
20–25% |
18–2% |
20-30% |
0% |
10-12% |
10-12% |
|
Specific gravity in g/cm³ |
1,38 |
1,14 |
0,91 |
0.95 |
0.54 |
1.5 |
1.5 |
|
Melting point in °C |
250 |
249 |
164 |
130 |
N/A |
N/A |
N/A |
|
Resistance to ageing for properly stored rope |
excellent |
excellent |
excellent |
excellent |
good |
good |
good |
|
Resistance to ultraviolet in sunlight |
excellent |
good |
sufficient |
sufficient |
good |
good |
good |
|
Resistance to alkalies |
No effect cold;slowly disintegrated by strong alkalies st the boil |
Little or none |
excellent |
excellent |
May swell but will not be damaged |
good |
good |
|
Resistance to acids |
Resistant to most mineral acids |
Decomposed by strong mineral acids |
excellent |
excellent |
Will disintegrate in hot diluted and cold concentrated acids |
good |
good |
|
Resistance to abrasion |
best |
excellent |
good |
good |
good |
good |
good |
|
Creep (elongation under sustained load) |
low |
moderate |
high |
high |
zero |
Very low |
Very low |
|
Wet strength compared to dry strength |
100% |
85-90% |
100% |
100% |
Up to 120% |
Up to 120% |
Up to 120% |
|
Rope shock load absorption |
good |
excellent |
good |
good |
poor |
poor |
poor |
Table 2: ROPE NORMS
|
Name |
DIN |
DIN EN |
DIN EN ISO |
|
Fibre ropes – |
83305-3 : 1990 |
701 : 1995 |
554 : 2011 |
|
Fibre ropes and cordage – terms |
83305-2 : 1984 |
|
1968 : 2005 |
|
Fibre ropes – |
83305-4 : 1989 |
919 : 1995 |
2307 : 2011 |
|
Fibre ropes – Polyamide – |
83330 : 1984 |
696 : 1995 |
1140 : 2012 |
|
Fibre ropes – Polyester – |
83331 : 1984 |
697 : 1995 |
1141 : 2012 |
|
Fibre ropes – Polypropylene split film, |
83332 : 1984 83334 : 1999 |
699 : 1995 |
1346 : 2012 |
Table 3: STANDARD SPECIFICATION OF 3, 4 & 8 - STRAND ROPE
|
SIZE |
POLYPROPYLENE |
POLYETHYLENE |
NYLON |
POLYESTER |
VINYLON |
MANILA |
||||||||
|
Dia (mm) |
Dia (inch) |
Cir (inch) |
WIEGHT (kg/220m) |
MBL (Kgf or tons) |
WIEGHT (kg/220m) |
MBL (Kgf or tons) |
WIEGHT (kg/220m) |
MBL (Kgf or tons) |
WIEGHT (kg/220m) |
MBL (Kgf or tons) |
WIEGHT (kg/220m) |
MBL (Kgf or tons) |
WIEGHT (kg/220m) |
MBL (Kgf or tons) |
|
4 |
5/32 |
1/2 |
1.32 |
215Kgf |
1.78 |
200Kgf |
2.31 |
320Kgf |
2.60 |
295Kgf |
2.20 |
150Kgf |
3.00 |
190Kgf |
|
5 |
3/16 |
5/8 |
2.45 |
320 |
2.66 |
300 |
3.60 |
500 |
4.10 |
400 |
3.40 |
230 |
4.00 |
240 |
|
6 |
7/32 |
3/4 |
3.74 |
600 |
4.00 |
400 |
4.95 |
750 |
6.00 |
565 |
5.00 |
330 |
6.40 |
285 |
|
7 |
1/4 |
7/8 |
5.10 |
750 |
5.50 |
550 |
6.70 |
1020 |
8.20 |
770 |
6.80 |
430 |
7.70 |
370 |
|
8 |
5/16 |
1 |
6.60 |
1060 |
7.20 |
700 |
8.80 |
1350 |
10.60 |
1020 |
8.80 |
560 |
11.90 |
545 |
|
9 |
11/32 |
1-1/8 |
8.10 |
1190 |
9.00 |
890 |
11.20 |
1700 |
13.50 |
1270 |
11.00 |
700 |
14.00 |
620 |
|
10 |
3/8 |
1-1/4 |
9.90 |
1560 |
10.80 |
1090 |
13.60 |
2080 |
16.70 |
1590 |
13.60 |
950 |
15.00 |
705 |
|
12 |
1/2 |
1-1/2 |
14.30 |
2210 |
15.80 |
1540 |
19.60 |
3000 |
24.20 |
2270 |
19.80 |
1370 |
23.10 |
1070 |
|
14 |
9/16 |
1-3/4 |
20.00 |
3050 |
21.00 |
2090 |
27.00 |
4100 |
32.60 |
3180 |
26.40 |
1830 |
30.80 |
1460 |
|
16 |
5/8 |
2 |
25.30 |
3.78Ts |
28.00 |
2.80Ts |
35.00 |
5.30Ts |
43.00 |
4.10Ts |
35.20 |
2.34Ts |
41.80 |
2.03Ts |
|
18 |
3/4 |
2-1/4 |
32.50 |
4.82 |
35.00 |
3.50 |
44.00 |
6.70 |
54.00 |
5.15 |
44.00 |
2.92 |
48.40 |
2.44 |
|
20 |
13/16 |
2-1/2 |
40.00 |
5.80 |
44.00 |
4.30 |
54.00 |
8.30 |
67.00 |
6.40 |
53.90 |
3.55 |
60.50 |
3.25 |
|
22 |
7/8 |
2-3/4 |
48.40 |
6.96 |
53.00 |
5.10 |
66.00 |
10.00 |
81.00 |
7.60 |
64.90 |
4.24 |
72.60 |
3.66 |
|
24 |
1 |
3 |
57.00 |
8.13 |
65.00 |
6.10 |
78.00 |
12.00 |
96.00 |
9.10 |
78.00 |
5.00 |
88.00 |
4.57 |
|
26 |
1-1/16 |
3-1/4 |
67.00 |
9.41 |
72.00 |
7.00 |
92.00 |
14.00 |
113.00 |
10.70 |
91.00 |
5.80 |
103.00 |
5.33 |
|
28 |
1-1/8 |
3-1/2 |
78.00 |
10.70 |
86.00 |
8.20 |
107.00 |
15.80 |
131.00 |
12.20 |
106.00 |
6.64 |
117.00 |
6.10 |
|
30 |
1-1/4 |
3-3/4 |
89.00 |
12.22 |
101.00 |
9.50 |
122.00 |
17.80 |
150.00 |
13.70 |
120.00 |
7.60 |
138.00 |
6.90 |
|
32 |
1-5/16 |
4 |
101.00 |
13.50 |
115.00 |
10.70 |
139.00 |
20.00 |
171.00 |
15.70 |
136.00 |
8.51 |
154.00 |
7.90 |
|
34 |
1-3/8 |
4-1/4 |
115.00 |
14.40 |
130.00 |
11.60 |
156.00 |
22.00 |
192.00 |
17.40 |
154.00 |
9.53 |
176.00 |
8.80 |
|
36 |
1-7/16 |
4-1/2 |
129.00 |
16.93 |
145.00 |
13.40 |
176.00 |
24.90 |
216.00 |
19.40 |
173.00 |
10.60 |
196.00 |
9.65 |
|
38 |
1-9/16 |
4-3/4 |
142.00 |
17.70 |
160.00 |
14.30 |
195.00 |
27.40 |
243.00 |
21.60 |
193.00 |
11.70 |
220.00 |
10.80 |
|
40 |
1-5/8 |
5 |
158.00 |
20.51 |
173.00 |
16.30 |
218.00 |
30.00 |
267.00 |
24.00 |
213.00 |
12.90 |
242.00 |
12.00 |
|
42 |
1-11/16 |
5-1/4 |
176.00 |
21.40 |
191.00 |
17.20 |
238.00 |
32.90 |
295.00 |
26.10 |
234.00 |
14.10 |
270.00 |
13.10 |
|
44 |
1-3/4 |
5-1/2 |
194.00 |
24.64 |
209.00 |
19.60 |
264.00 |
35.80 |
323.00 |
28.50 |
258.00 |
15.30 |
295.00 |
14.28 |
|
46 |
1-7/8 |
5-3/4 |
211.00 |
25.30 |
230.00 |
20.60 |
290.00 |
38.90 |
354.00 |
30.90 |
282.00 |
16.70 |
323.00 |
15.50 |
|
48 |
1-15/16 |
6 |
229.00 |
28.61 |
253.00 |
22.80 |
312.00 |
42.00 |
385.00 |
33.60 |
306.00 |
18.00 |
348.00 |
16.83 |
|
50 |
2 |
6-1/4 |
248.00 |
29.30 |
275.00 |
24.30 |
339.00 |
45.40 |
418.00 |
36.30 |
332.00 |
19.50 |
382.00 |
18.20 |
|
52 |
2-1/8 |
6-1/2 |
268.00 |
33.11 |
297.00 |
26.40 |
365.00 |
48.90 |
451.00 |
39.20 |
359.00 |
21.10 |
411.00 |
19.59 |
|
54 |
2-3/16 |
6-3/4 |
290.00 |
33.70 |
320.00 |
28.20 |
393.00 |
52.40 |
483.00 |
41.90 |
376.00 |
22.50 |
446.00 |
20.60 |
|
56 |
2-1/4 |
7 |
312.00 |
37.86 |
345.00 |
30.40 |
425.00 |
56.00 |
524.00 |
44.80 |
405.00 |
24.20 |
473.00 |
22.40 |
|
58 |
2-5/16 |
7-1/4 |
335.00 |
38.60 |
370.00 |
32.20 |
454.00 |
59.90 |
563.00 |
47.20 |
445.00 |
25.60 |
514.00 |
23.50 |
|
60 |
2-3/8 |
7-1/2 |
359.00 |
43.29 |
396.00 |
34.40 |
486.00 |
63.90 |
601.00 |
49.90 |
476.00 |
27.40 |
546.00 |
25.40 |
|
64 |
2-1/2 |
8 |
407.00 |
48.96 |
451.00 |
39.10 |
554.00 |
72.00 |
684.00 |
58.0 |
542.00 |
30.80 |
634.00 |
29.00 |
|
72 |
2-7/8 |
9 |
515.00 |
61.50 |
570.00 |
49.10 |
702.00 |
90.00 |
865.00 |
72.10 |
686.00 |
38.60 |
796.00 |
35.80 |
|
80 |
3-1/4 |
10 |
638.00 |
75.64 |
706.00 |
60.40 |
867.00 |
110.00 |
1067.00 |
88.50 |
844.00 |
46.80 |
968.00 |
43.60 |
|
88 |
3-1/2 |
11 |
772.00 |
90.77 |
853.00 |
72.50 |
1049.00 |
131.00 |
1291.00 |
106.00 |
1023.00 |
55.60 |
1177.00 |
51.50 |
|
96 |
3-3/4 |
12 |
916.00 |
107.00 |
1014.00 |
85.50 |
1250.00 |
154.00 |
1538.00 |
126.00 |
1214.00 |
65.80 |
1408.00 |
60.00 |
|
104 |
4-1/8 |
13 |
1078.00 |
122.90 |
1190.00 |
100.30 |
1465.00 |
182.00 |
1804.00 |
145.00 |
|
|
|
|
|
112 |
4-1/2 |
14 |
1254.00 |
141.84 |
1380.00 |
116.30 |
1698.00 |
210.00 |
2090.00 |
165.00 |
|
|
|
|
|
120 |
4-3/4 |
15 |
1430.00 |
162.86 |
1584.00 |
133.50 |
1951.00 |
240.00 |
2398.00 |
190.00 |
|
|
|
|
