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Marine Engineering

7×7

Marine Grade Wire Rope

Wire rope finish: Galvanized or ungalvanized (Bright)
Wire rope construction: 7×7
Wire rope diameter range: 1.8mm-40mm
Wire rope core: steel
Wire rope grade: 1570/1670/1770/1870
Type of wire rope lay: Regular Lay, Lang Lay

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Nominal diameter of wire rope mm	Reference weight kg/100m			Nominal tensile strength of wire rope MPa
				1570		1670		1770		1870
				Minimum breaking tension of wire rope kN
	natural fiber core	synthetic fiber core	steel core	fiber core	steel core	fiber core	steel core	fiber core	steel core	fiber core	steel core
1.8	1.14	1.11	1.25	1.69	1.83	1.8	1.94	1.9	2.06	2.01	2.18
2	1.4	1.38	1.55	2.08	2.25	2.22	2.4	2.35	2.54	2.48	2.69
3	3.16	3.1	3.48	4.69	5.07	4.99	5.4	5.29	5.72	5.59	6.04
4	5.62	5.5	6.19	8.34	9.02	8.87	9.59	9.4	10.2	9.93	10.7
5	8.78	8.6	9.68	13	14.1	13.9	15	14.7	15.9	15.5	16.8
6	12.6	12.4	13.9	18.8	20.3	20	21.6	21.2	22.9	22.4	24.2
7	17.2	16.9	19	25.5	27.6	27.2	29.4	28.8	31.1	30.4	32.9
8	22.5	22	24.8	33.4	36.1	35.5	38.4	37.6	40.7	39.7	43
9	28.4	27.9	31.3	42.2	45.7	44.9	48.6	47.6	51.5	50.3	54.4
10	35.1	34.4	38.7	52.1	56.4	55.4	60	58.8	63.5	62.1	67.1
11	42.5	41.6	46.8	63.1	68.2	67.1	72.5	71.1	76.9	75.1	81.2
12	50.5	49.5	55.7	75.1	81.2	79.8	86.3	84.6	91.5	89.4	96.7
13	59.3	58.1	65.4	88.1	95.3	93.7	101	99.3	107	105	113
14	68.8	67.4	75.9	102	110	109	118	115	125	122	132
16	89.9	88.1	99.1	133	144	142	153	150	163	159	172
18	114	111	125	169	183	180	194	190	206	201	218
20	140	138	155	208	225	222	240	235	254	248	269
22	170	166	187	252	273	268	290	284	308	300	325
24	202	198	223	300	325	319	345	338	366	358	387
26	237	233	262	352	381	375	405	397	430	420	454
28	275	270	303	409	442	435	470	461	498	487	526
30	316	310	348	469	507	499	540	529	572	559	604
32	359	352	396	534	577	568	614	602	651	636	687
34	406	398	447	603	652	641	693	679	735	718	776
36	455	446	502	676	730	719	777	762	824	805	870
38	507	497	559	753	814	801	866	849	918	896	969
40	562	550	619	834	902	887	959	940	1020	993	1070
Note: Minimum wire breaking tensile sum=Minimum breaking tension of wire rope×1.134(fiber core) or 1.214(steel core).