Marine Chain
So far, we have successfully developed the largest R3, R3S, R4, R4S, R5, R6 series products. Size of Φ208mm.

PRODUCT DETAILS

01.jpg


  Diameter up to 187mm:Grade R3/R3s/R4/R4s/R5/R6  

R3.jpg



  MOORING CHAIN MANUFACTURING PROCESS 


工艺.jpg


  MECHANICAL PROPERTY  

GradeYield stress 4)Tensile strengthElongationReduction of areaCharpy V-notch
TemperatureBaseWeld
ReRmA5ZAverage energySingle energyAverage energy
N/mm2N/mm?%%JJJ
R341069017502)O604550
-20403030
R3S49077015502)O654953
-20453433
R458086012503)-20503836
R4S70096012503)-20564240
R5760100012503)-20584442
R6900110012503)-20604644
1) R3 and R3S, which can be impact tested at 0 ° C or -20 ° C. For grade R3 and R3S, testing may be carried out at either OC or -20℃.
2) For cast accessories, the minimum value shall be 40%. For cast accessories, the minimum value shall be 40%.
3) For cast accessories,the minimum value shall be 35%. For cast accessories,the minimum value shall be 35%.
4) FYI: The typical yield ratio is between 0.85-0.95. Tensile strength usually does not exceed the minimum tensile strength of 150MPa. For guidance only:  Typical yield to tensile strength ration is in the range of 0.85 to 0.95. Tensile strength is normally not to exceed the  minimum tensile strength with more than 150 MPa.



  Marine Chain & Accessories--Diameter up to 172mm:Grade U2 & U3  

U2.jpg



  MOORING CHAIN MANUFACTURING PROCESS  


工艺2.jpg


  JOINING FORMS OF MARINE CHAIN   

连接方式.jpg


  Load Testing  


OFFSHORE MOORING CHAIN
链径 Diameter Of ChainBV/CCS/LR /ABSDNVABS/DNV /CCS/BVLRABS/DNV /CCS/BVARABS/DNV ICCS/BVLRABS/DNV /CCS/BV/LRABS/DNV /CCS/BVLRABS/DNV /CCS/BVLRABS/DNV /CCS/BVLRABS/DNV /CCS/BVLRABS/DNV /CCS/BV/LRABS/DNV /CCS/BV/LRABS/DNV /CCS/BVLRABS/DNV /CCS/BV/LRABS/DNV /CCS/BV/LRDNVDNVDNV
R3R3R3R3SR3SR3SR4R4R4R4SR4SR4SR5R5R5R6R6R6
STUDLESS /STUDSTUDLESS / STUDSTUDLESS /STUDSTUDLESSSTUDSTUDLESS /STUDSTUDLESSSTUDSTUDLESS /STUDSTUDLESSSTUDSTUDLESS /STUDSTUDLESSSTUDSTUDLESS /STUDSTUDLESSSTUDSTUDLESS /STUD
Gearless, gearless tension loadGearless, gearless tension loadBreaking loadNo gear pull loadStopper tension loadBreaking loadNo gear pull loadStopper tension loadBreaking loadNo gear pull loadStopper tension loadBreaking loadNo gear pull loadStopper tension loadBreaking loadNo gear pull loadStopper tension loadStopper tension load
Proof LoadProof LoadBreak LoadProof LoadProof LoadBreak LoadProof LoadProof LoadBreak LoadProof LoadProof LoadBreak LoadProof LoadProof LoadBreak LoadProof LoadProof LoadProof Load
0.0148d2 (44-0.08d)0.0156d2 (44-0.08d)0.0223d2 (44-0.08d)0.0174d2 (44-0.06d)0.0180g2 (44-0.08d)0.024942 (44-0.08d)0.0192g2 (44-0.08d)0.0216d (44-0.08d)0.0274d2 (44-0.08d)0.0213g2 (44-0.08d)0.0240d7 (44-0.08d)0.0304d (44-0.08d)0.0223d' (44-0.08d)0.0251d2 (44-0.08d)0.0320g2 (44-0.08d)0.0246d2 (44-0.08d)0.0276d2 (44-0.08d)0.0352d2 (44-0.08d)
mmKNKNKNKNKNKNKNKNKNKNKNKNKNKNKNKNKNKN
347067441064830858118891610301307101611451450106411971527117313171679
3678883111889279591326102311511460113512781620118813371705131014701875
388759221318102910641472113512771620125914191798131814841892145416322081
4096610181455113511751625125314101788139015661984145516382088160518012297
42106011181598124712901785137615481964152617202179159617992294176319782523
44115912221747136314101951150416922147166918802382174719672507192721622758
46126213301902148415352124163818422337181720472593190221412730209823543003
48136914432063160916652303177619982535197022202812206323222960227625533257
50148015602230174018002490192021602740213024003040223025103200246027603520
52159416802402187419392682206823262951229425853274240227033447265029733792
54171218052580201320822881222124993170246427763517258029043702284631934072
56183419332763215622303085237926763395263929743767276331103965304834204362
58195920652952230323833296254228593627282031774025295233234237325736544660
60208822013146245525403513270930483866300533864290314635424515347138944967
62222123413346261127013736288132414111319636014562334637664802369141415282
64235624843551277028663965305734394363339238224841355139975096391743955605
66249626313761293430354199323836434621359240475127376142335397414946555936
68263827813976310232094439342338514885379742795420397644755705438649216276
70278429354195327333864685361240645155400745155720419547226021462851936623
73300931724534353836605063390443925571433148806181453451046507500256127158
76324134164884381139425453420547306001466552566658488454977008538860457709
78340035835123399741355720441049626294489355136983512357667351565163408086
81364338405489428344316129472653176745524359087483548961787877605567948665
84389341035665457747346549505056617207560263137996586566028417547072609259
87414943736251487850466980538260557681597167288522625170368971689677379868
904411465066475186536574225723643881676349715390616647748195387332822710492
924589483769155396558277225954669884976605744294276915778499237628855910916
9548615124732557165913817963077095900169977884998673258245105128081906611563
97504653197603593361378490654673659342726281831036576038558109118388941112002


Marine Chain
Diameter Of ChainGrade2Grade3
拉力负荷破断负荷拉力负荷破断负荷
Proof LoadBreaking LoadProof LoadBreaking Load
0.00981d2(44-0.08d)0.01373d2(44-0.08d)0.01373d2(44-0.08d)0.01373d2(44-0.08d)
mmKNKNKNKN
12.5659292131
1482115115164
16107150150214
17.5127179179255
19150210210300
20.5174244244349
22200280280400
24237332332475
26277389389555
28321449449642
30367514514734
32416582582832
34468655655935
365227317311045
385808128121159
406408968961280
427039849841405
44768107610761536
46836117111711673
48907127012701814
50981137313731961
521056147914792112
541135158815882269
561215170117012430
581298181718172596
601384193719372767
621472206020602942
641562218621863122
661654231523153307
681749244824483496


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