Marine Mooring Chain | Heavy Duty Offshore Anchor Chain for Ship and Port Mooring Systems

#1 MARINE HARDWARE

Marine Mooring Chain

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Product attributes :

Marine Mooring Chain

Size: 1-3/8”-7”

Material: CM690/CM790/CM890

Chain Grade: R3, R4, R5

Surface finish: Black painted, Hot dip Galvanized, Self Color

Manufacturing process: Flash Butt Welding

Chain Type: Stud link/Open link

Application: Ship Mooring, Offshore Platform, Marine Engineering

Certification: ABS, LR, BV, DNV, NK, CCS

Our mooring chains are manufactured from high-grade steel to provide exceptional strength and durability, ensuring long-lasting performance in marine environments. Each chain is engineered to meet stringent international standards, making it ideal for heavy-duty mooring applications.

Designed for versatility, our mooring chains are widely used in ship anchoring, dock mooring, and offshore platform operations. Their robust construction ensures reliable performance across a wide range of marine and industrial applications.

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ENGINEERED FOR ULTIMATE MOORING STRENGTH AND LONGEVITY
The Marine Mooring Chain is built to withstand the extreme forces of offshore anchoring and long-term mooring systems.
Each chain is produced from Grade R3 to Grade R5 high-tensile steel and heat-treated to enhance fatigue resistance and mechanical strength under dynamic marine loads.
Contact our engineering team to request material certificates or fatigue test reports that meet your project class requirements.
PRECISION FORGING AND COMPLIANCE WITH INTERNATIONAL STANDARDS
Our mooring chains are manufactured using advanced forging and calibration technology for exact link dimensions and smooth assembly.
All chains are produced in accordance with ISO 1704, ABS, LR, and DNV-GL standards, ensuring global compliance and consistent performance across marine classifications.
Request class approval documents and dimensional drawings for your shipbuilding or port installation project.
SUPERIOR CORROSION PROTECTION FOR HARSH ENVIRONMENTS
Designed for extended use in seawater, each mooring chain undergoes multiple surface treatments for maximum corrosion resistance.
Available coatings include hot-dip galvanizing, black bitumen painting, and advanced marine-grade epoxy for offshore platform use.
Ask for coating options and corrosion test data to optimize durability in your target environment.
COMPREHENSIVE SIZE RANGE AND CONNECTION OPTIONS
We offer a full range of mooring chain sizes, link types, and compatible accessories to fit every anchoring configuration.
Chain diameters are available from 35 mm to 200 mm with matching Kenter shackles, swivels, and end fittings for complete mooring assemblies.
Download the complete catalog or consult our specialists for technical matching between chain links and connectors.
TRUSTED PERFORMANCE IN OFFSHORE, PORT, AND SHIP APPLICATIONS
Our Marine Mooring Chains are used globally in offshore oil rigs, cargo vessels, naval ships, and port mooring systems.
Proven performance in offshore energy projects across Southeast Asia, Europe, and the Middle East with verified ABS certification.
Submit your project specifications to receive a quotation and technical support tailored to your marine environment.
OEM & CUSTOM-MADE MOORING CHAIN SOLUTIONS
We support distributors and shipbuilders with customized chain markings, packaging, and supply chain integration.
OEM service includes embossed logo marking, batch traceability stamping, and export-standard corrosion-proof packaging.
Send your OEM requirements to get a detailed proposal and delivery plan within 24 hours.

级别 Grade	屈服强度 Yield Point (N/mm²,min)	抗拉强度 Tensile Strength (N/mm²,min)	延伸率 Elongation (%,min)	断面收缩率 Reduction Of Area (%,min)	V型缺口冲击试验 Charpy V-notch
					试验温度 Test Temperature (C)	平均能量Impact(J.min)
						母材 Base Part	焊口 Weld Part
API Spec. 2F(ORQ)	---	641	17	40	0	58	49
					-15	40	36
ABS/RQ3 DNV/NVR3	410	690	17	50	0	60	50
					-20	40	30
ABS/RQ3S DNV/NVR3S	490	770	15	50	0	65	53
					-20	45	33
ABS/RQ4 DNV/NVR4	580	860	12	50	-20	50	36
ABS/R4S DNV/NVR4S	700	960	12	50	-20	56	40
ABS/R5 DNV/NVR5	760	1000	12	50	-20	58	42
R6	900	1100	12	50	-20	60	44

系泊链及附件试验负荷 Testing Load Of Mooring Chain And Accessories

英制单位： US Units

链径 Diameter Of Chain	系泊链MOORING CHAIN
	C/EL/E/S		C/EL/E	S	C/EL/E/S	C/EL/E	S	C/EL/E/S	C/EL/E	S	C/EL/E/S	C/EL/E	S	C/EL/E/S
	RQ3		R35			R4 R4S						R5
	拉力负荷 PL	破断负荷 BL	拉力负荷 PL	拉力负荷 PL	破断负荷 B	拉力负荷 PL	拉力负荷 PL	破断负荷 BL	拉力负荷 PL	拉力负荷 PL	破断负荷 BL	拉力负荷 PL	拉力负荷 PL	破断负荷 BL
Inch	lbf	lbf	bf	bf	bf	Ibf	lbf	Ibf	lbf	ibf	bf	Ibf	Ibf	bf
1 3/8	176222	252101	203333	196867	281238	243454	2168B8	309829	271266	240B05	343640	283731	252101	361714
1 7/16	192012	274691	221553	214507	306439	265269	236323	337592	295573	262383	374432	309155	274691	394126
1 1/2	208426	298172	240491	232843	332633	287944	256524	366449	320839	284811	406439	335582	298172	427816
1 9/16	225455	322534	260140	251868	359811	311471	277483	396390	347053	308082	439647	363000	322534	462770
1 5/8	243093	347767	280492	271573	387961	335838	299192	427401	374205	332185	474043	391400	347767	498975
1 11/16	261334	373863	301540	291951	417072	361039	321642	459472	402284	35711	509613	420769	373863	536417
1 3/4	280171	400811	323274	312994	447134	387062	344826	492591	431280	382851	546346	451098	400811	575081
1 13/16	299597	428601	345689	334696	478136	413899	368735	526745	461183	409396	584227	482375	428601	614955
1 7/8	319605	457225	368775	357048	510068	441541	393360	561923	491983	436737	623244	514589	457225	656024
1 15/16	340189	486671	392526	380043	542918	469978	418694	598112	523668	464864	663383	547731	486671	698274
2	361341	516932	416932	403674	576676	499200	444728	635302	556229	493769	704631	581788	516932	741692
2 1/16	383056	547997	441988	427932	611331	529200	471454	673481	589655	523442	746976	616750	547997	786264
2 1/8	405326	579856	467684	452811	646873	559966	498863	712635	623937	553874	790403	652607	579856	831975
2 3/16	428145	612500	494013	478303	683290	591491	526947	752755	659063	585055	834901	689347	612500	878813
2 1/4	451505	645920	520968	504400	720572	623764	555699	793827	695022	616977	880455	726959	645920	926763
2 5/16	475401	680105	548540	531096	758708	656776	585109	835840	731806	649631	927053	765433	680105	975812
2 3/8	499825	715046	576721	558381	797687	690519	615169	878782	769404	683006	974681	804758	715046	1025945
2 7/16	524771	750733	605505	586150	837499	724982	645872	922641	807804	717094	1023326	844923	750733	1077149
2 1/2	550232	787157	634883	614693	878133	760157	677208	967406	846997	751886	1072976	885917	787157	1129410
2 9/16	576201	824309	664847	643705	919578	796034	709170	1013064	886972	787373	1123617	927729	824309	1182715
2 5/8	602672	862177	695390	673276	961823	832603	741750	1059604	927720	823545	1175236	970349	862177	1237048
2 11/16	629637	900754	726504	703401	1004858	869857	774938	1107014	969229	860393	1227820	1013766	900754	1292398
2 3/4	657091	940029	758181	734071	1048672	907784	808727	1155282	1011489	897907	1281355	1057968	940029	1348749
2 13/16	685025	979992	790414	765278	1093254	946377	843108	1204397	1054491	936080	1335829	1102945	979992	1406088
2 7/8	713435	1020634	823194	797016	1138593	985625	878073	1254345	1098222	974901	1391229	1148686	1020634	1464401
2 15/16	742312	1061945	856514	829276	1184680	1025519	913614	1305116	1142674	1014361	1447540	119518	1061945	1523675
3	771650	1103917	890365	862051	1231501	1066050	949723	1356698	1187836	1054452	1504751	1242418	1103917	1583895
3 1/16	801443	1146538	924742	895334	1279049	1107210	986391	1409079	1233697	1095163	1562848	1290386	1146538	1645048
3 1/8	831683	1189799	959634	929117	1327310	1148987	023610	1462247	1280248	1136486	1621818	1339076	1189799	1707119
3 3/16	862364	233692	995036	963393	1376275	1191374	061371	1516190	1327477	1178412	1681648	1388475	1233692	1770096
3 1/4	893480	1278205	1030938	998153	1425933	1234361	1099667	1570897	1375374	1220931	1742325	1438573	1278205	1833963
3 5/16	925023	1323330	1067334	1033392	1476274	1277938	1138489	1626355	1423929	1264034	1803835	1489360	1323330	1898709
3 3/8	956986	1369057	1104215	1069100	1527285	1322096	1177829	1682552	1473132	1307712	1866165	1540824	1369057	1964317
3 7/16	989364	1415376	1141573	1105271	1578958	1366826	1217678	1739478	1522973	1351955	1929303	1592954	1415376	2030776
3 1/2	1022149	1462278	1179402	1141896	1631280	1412119	1258029	1797119	1573440	1396755	1993234	1645740	1462278	2098070
3 9/16	1055334	1509752	1217693	1178969	1684242	1457965	1298872	1855465	1624523	1442103	2057947	1699171	1509752	2166187
3 5/8	1088913	1557790	1256438	1216482	1737832	1504356	1340200	1914503	1676213	1487988	2123428	1753236	1557790	2235111
3 3/4	1157226	1655518	1335260	1292798	1846854	1598731	1424277	2034609	1781370	1581337	2256641	1863225	655518	2375330
3 7/8	1227033	1755383	1415807	1370783	1958261	1695171	1510194	2157342	188B827	1676727	2392767	1975620	1755383	2518617
3 15/16	1262480	1806093	1456707	1410383	2014832	1744142	1553821	2219664	1943392	1725165	2461890	2032692	806093	2591375
4	1298280	1857309	1498015	1450377	2071967	1793600	1597883	2282608	1998501	1774086	2531703	2090334	1857309	2664860
4 1/8	1370914	1961219	1581824	1531521	2187886	1893946	1687279	2410311	2110310	1873340	2673342	2207280	1961219	2813949
4 1/4	1444881	2067035	1667170	1614153	2305932	1996133	1778315	2540358	2224171	1974415	281758	2326373	2067035	2965774
4 3/8	1520126	217468	1753992	1698214	2426019	2100086	1870925	2672653	2340000	2077237	2964313	2447524	2174681	3120223
4 1/2	1596597	2284079	1842227	1783643	2548061	2205732	1965042	2807102	2457714	2181733	3113434	2570648	2284079	3277188
4 5/8	1674239	2395153	1931814	187038	2671972	2312996	2060602	2943610	2577232	2287830	3264839	2695657	2395153	3436556
4 3/4	1752998	2507825	2022690	1958367	2797667	2421803	2157536	3082083	2698470	2395454	3418423	2822466	2507825	3598218
4 7/8	1832820	2622019	2114793	2047541	2925058	2532079	2255779	3222425	2821344	2504530	3574080	2950986	2622019	3762062
5	1913652	2737656	2208060	2137842	3054060	2643750	2355264	3364542	2945772	2614986	3731706	3081132	2737656	3927978
5 1/8	1995440	285466	2302431	2229212	3184588	2756742	2455926	3508340	3071672	2726749	3891196	3212817	2854661	4095857
5 1/4	2078130	2972957	2397842	2321589	3316555	2870979	2557698	3653723	3198960	2839743	4052445	3345954	2972957	4265586
5 3/8	2161667	3092465	2494232	2414913	3449876	2986388	2660514	3800597	3327553	2953896	4215347	3480456	3092465	4437056
5 1/2	2245999	3213109	2591537	2509125	3584463	3102894	2764306	3948867	3457369	3069135	4379797	3616237	3213109	4610156
5 5/8	2331071	3334812	2689697	2604163	3720232	3220423	2869010	4098439	3588324	3185385	4545691	3753210	3334812	4784775
5 3/4	2416829	3457497	2788649	2699968	3857097	3338900	2974559	4249217	3720336	3302572	4712924	3891287	3457497	4960803
5 7/8	2503220	35810B7	288833	2796480	3994971	3458250	3080886	4401108	3853321	3420625	4881389	4030383	3581087	5138130
6	2590190	3705505	2988680	2893638	4133768	3578400	3187925	4554015	3987197	3539468	5050984	4170411	3705505	5316644
6 1/8	2677684	3830674	3089635	2991382	4273403	3699276	3295611	4707846	412188	3659027	522160	4311284	3830674	5496235
6 1/4	2765649	3956516	3191133	3089653	4413790	3820801	3403875	4862504	4257290	3779231	5393137	4452915	3956516	5676793
6 3/8	2854031	4082955	3293113	3188389	4554842	3942903	3512654	5017896	4393340	3900004	5565486	4595217	4082955	5858208
6 1/2	2942776	4209913	339551	3287531	4696473	4065506	3621878	5173926	4529950	4021274	5738543	4738104	4209913	6040367
6 5/8	3031831	4337314	3498266	3387019	4838598	4188537	3731484	5330500	4667036	4142966	5912204	4881489	4337314	6223161
6 3/4	3121141	44650B1	3601316	3486792	4981131	4311921	3841404	5487523	4804515	4265007	6086363	5025258	4465081	6406480
6 7/8	3210653	4593135	3704599	3586790	5123986	4435583	3951573	564490	4942305	4387324	6260915	5169406	4593135	6590213
7	3300312	4721402	3808053	3686954	5267077	4559450	4061923	5802538	5080322	4509843	6435755	5313765	4721402	6774248
7 1/8	有档系泊链STUDLINKS OF MOORING CHAIN 英制单位：USUnits
7 1/4	负荷(bs)		R3有档			R3S有档		R4有档			R4S有档		R5有档
7 3/8	拉力负荷PL		2262d²(44-2.032d²)			2610d²(44-2.032d²)		3125d²(44-2.032d²)			3482d²(44-2.032d²)		3642d²(44-2.032d²)
7 1/2	破断负荷BL		3236d²(44-2.032d²)			3610d²(44-2.032d²)		3977d²(44-2.032d²)			4411d²(44-2.032d²)		4643d²(44-2.032d²)
7 5/8	无档链STUDLESS LINK5
7 5/8	负荷(bs)		R3无档			R3S无档		R4无档			R4S无档		R5S无档
7 3/4	拉力负荷PL		2262d²(44-2.032d)			2527d²(44-2.032d²)		2784d²(44-2.032d²)			3091d²(44-2.032d²)		3236d²(44-2.032d²)
7 7/8	破断负荷BL		3236d²(44-2.032d)			3610d²(44-2.032d²)		3977d²(44-2.032d²)			4411d²(44-2.032d²)		4643d²(44-2.032d²)

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Marine Mooring Chain – High Strength Stud Link Anchor Chain for Offshore and Ship Mooring Applications