R4 Grade Mooring Chain

R4 Grade Mooring Chain

Description:

Offshore mooring chains have 5 grades: R3, R3S, R4, R4S, R5, among which the Grade R3 and R3S mooring chains are mainly used for marine continental shelf development facilities, while the R4 class chains are mainly used for deep-sea development facilities. Offshore mooring chains have the features of high strength, good toughness, seawater corrosion resistance, fatigue resistance, wear resistance and other properties. Our company is a professional marine anchor chains and mooring chains supplier. We supply both standard and customized products to meet our customer's different needs. If you're interested in our products, please do not hesitate to contact us. We're looking forward to your inquiry.

Anchor Chain Application:

An anchor chain is a critical component in a ship's anchoring system, and its primary purpose is to secure the vessel in place while it is at anchor. Anchor chains are typically made of high-strength steel and consist of a series of interlocking links that form a continuous chain.

The anchor chain is attached to the ship's anchor at one end and to the ship's hull at the other end. When the anchor is dropped, the chain pays out and sinks to the seabed, providing a secure anchor point for the ship.

The size and strength of the anchor chain required depends on the size and weight of the vessel, the depth of the water, and the expected weather and sea conditions. A larger and stronger chain is required for larger and heavier vessels and for anchoring in deeper water or in rougher sea conditions.

Regular inspection and maintenance of the anchor chain is essential to ensure it remains in good working condition and is capable of holding the vessel in place. Any signs of wear or damage must be identified and addressed promptly to prevent the risk of the chain breaking and the vessel becoming adrift.

Drawing of R4 Grade Mooring Chain:

Main Chain Diameter of R4 Grade Mooring Chain:

Chain Diameter	R4
	Studless Tension	Stud Tension	Breaking Load
34	917	1031	1308
36	1024	1152	1461
38	1136	1278	1621
40	1254	1411	1789
42	1377	1549	1965
44	1505	1693	2148
46	1639	1843	2338
48	1777	1999	2536
50	1920	2160	2740
52	2069	2327	2952
54	2222	2500	3171
56	2380	2677	3396
58	2543	2860	3628
60	2710	3049	3867
62	2882	3242	4112
64	3058	3440	4364
66	3239	3644	4622
68	3424	3852	4886
70	3613	4065	5156
73	3905	4393	5572
76	4206	4731	6002
78	4411	4963	6295
81	4727	5318	6746
84	5051	5682	7208
87	5383	6056	7682
90	5724	6439	8168
92	5955	6699	8498
95	6308	7096	9002
97	6547	7366	9343
100	6912	7776	9864
102	7160	8055	10217
105	7536	8478	10755
107	7791	8765	11118
111	8309	9347	11857
114	8704	9792	12421
117	9105	10243	12993
120	9511	10700	13573
122	9785	11008	13964
124	10062	11319	14358
127	10480	11790	14956
130	10903	12266	15559
132	11188	12586	15965
137	11907	13395	16992
142	12637	14217	18034
147	13377	15049	19089
152	14125	15890	20157
157	14880	16740	21235
162	15641	17596	22321

Product Detail:

1. Type: Offshore Mooring Chain;

2. Diameter: 34mm-162mm;

3. Grade: R4;

4. Certificate: ABS, LR, BV, NK, DNV·GL , KR, IRS, RS, CCS,etc.

5. Application: Deep-sea Development Facilities.

Display of R4 Grade Mooring Chain: