Shackles

Chain Joining & Chain End Shackle

Joining Shackle*
Joining Shackle

Dc = Nominal dia. of Common Link

D3 = 1.3Dc
L3 = 7.1Dc
P3 = 3.4Dc
W3 = 4Dc
A1 = 0.8Dc

E1 = 1.6Dc
F1 = 2.8Dc
G1 = 0.2Dc
H1 = 0.4Dc
R1 = 0.6Dc
R2 = 0.5Dc

End Shackle**
End Shackle

Dc = Nominal dia. of Common Link

D5 = 1.4Dc
L5 = 8.7Dc
P5 = 4.6Dc
W5 = 5.2Dc
A2 = 0.9Dc

E2 = 1.8Dc
F2 = 3.1Dc
G2 = 0.2Dc
H3 = 0.4Dc
M = 01.4Dc

Chain Diameter (Dc) mm	Grade U1		Grade U2		Grade U3
Chain Diameter (Dc) mm	Proof Load kN	Break Load kN	Proof Load kN	Break Load kN	Proof Load kN	Break Load kN
12.5	46	66	66	92	-	-
14	58	82	82	115	-	-
16	75	107	107	150	-	-
17.5	89	128	128	179	-	-
19	105	150	150	211	-	-
20.5	122	175	175	244	244	349
22	140	201	201	281	281	401
24	166	238	238	333	333	475
26	194	278	278	389	389	556
28	225	321	321	450	450	642
30	257	367	367	514	514	734
32	291	416	416	583	583	832
34	327	468	468	655	655	936
36	366	523	523	732	732	1045
38	406	580	580	812	812	1160
40	448	640	640	896	896	1280
42	492	703	703	984	984	1406
44	538	769	769	1076	1076	1537
46	585	837	837	1171	1171	1673
48	635	908	908	1270	1270	1814
50	686	981	981	1373	1373	1961
52	739	1057	1057	1479	1479	2113
54	794	1135	1135	1589	1589	2269
56	850	1216	1216	1702	1702	2430
58	908	1299	1299	1818	1818	2597
60	968	1384	1384	1938	1938	2767
62	1029	1472	1472	2060	2060	2943
64	1092	1562	1562	2187	2187	3123
66	1157	1655	1655	2316	2316	3308
68	1223	1749	1749	2448	2448	3496
70	1291	1846	1846	2583	2583	3690
73	1395	1995	1995	2792	2792	3988
76	1503	2149	2149	3007	3007	4295
78	1576	2254	2254	3154	3154	4505
81	1689	2415	2415	3380	3380	4827
84	1805	2580	2580	3612	3612	5158
87	1923	2750	2750	3849	3849	5498
90	2045	2924	2924	4093	4093	5845
92	2127	3042	3042	4258	4258	6081

Source - Lloyds Register. Table 10.2.4, Chapter 10 - Rules for Manufacture, Testing & Certification of Materials
* - Per Fig. 10.2.5, Chapter 10 - Rules for Manufacture, Testing & Certification of Materials
** - Per Fig. 10.2.4, Chapter 10 - Rules for Manufacture, Testing & Certification of Materials

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