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Offshore Mooring Chain

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Offshore Mooring Chain

Offshore Mooring Chain

Offshore mooring chains, different from common anchor chains, are widely used in oil drilling platforms and other offshore structures to fix the platfroms and avoid movement. Due to the work environment is very bad, the mooring chains should have high strength, good toughness, wear resistance, fatigue resistance, corrosion resistance etc..

Size: 34mm~162mm

Grade: R3, R3S, R4, R4S,R5

Material: Offshore Mooring Chain Steel

Accessories: Stud Links of Mooring Chains, Studless Links of Mooring Chains, Swivel, Swivel Shackle, Triangle Plate etc.

Application: Offshore Drilling Equipment, Mobile Offshore Oil Recovery Equipment, Floating Crane, Pipe-laying Ship etc.

Certificate: CCS, BV, LR, ABS, BKI, API etc.

Service: We supply standard and non-standard products. We can also customize the products according to your special requirements.

ABS,DNV Mooring Chains Metric Load Sheet(Chain Dia. Unit: mm; Load Unit: kN)

Chain Diameter

R3

R3S

R4

Stud/Studless Pull Load

Breaking Load

Studless Link Pull Load

Stud Link Pull Load

Breaking Load

Studless Link Pull Load

Stud Link Pull Load

Breaking Load

50

1560

2230

1740

1800

2490

1920

2160

2740

52

1681

2403

1875

1940

2683

2069

2327

2953

54

1806

2581

2014

2083

2882

2222

2500

3171

56

1934

2764

2157

2231

3086

2380

2677

3396

58

2066

2953

2304

2384

3297

2543

2860

3628

60

2202

3147

2456

2541

3514

2710

3049

3867

62

2342

3347

2612

2702

3737

2882

3242

4112

64

2485

3552

2771

2867

3966

3058

3440

4364

66

2632

3762

2935

3036

4200

3239

3644

4622

68

2782

3977

3103

3210

4440

3424

3852

4886

70

2936

4196

3274

3387

4686

3613

4065

5156

73

3173

4535

3539

3661

5064

3905

4393

5572

76

3417

4885

3812

3943

5454

4206

4731

6002

78

3584

5124

3998

4136

5721

4411

4963

6295

81

3841

5490

4284

4432

6130

4727

5318

6746

84

4104

5866

4578

4735

6550

5051

5682

7028

87

4374

6252

4879

5047

6981

5383

6056

7682

90

4651

6648

5187

5366

7423

5724

6439

8168

92

4838

6916

5397

5583

7723

5955

6699

8498

95

5125

7326

5717

5914

8180

6308

7096

9002

97

5320

7604

5934

6138

8491

6547

7366

9343

100

5616

8028

6264

6480

8964

6912

7776

9864

Note: the above parameters is only one part. If you want to know more detail information, please feel free to contact us.

Testing Load of Mooring Chain Accessories

Load(KN)

R3 Stud Chian

R3S Stud Chain

R4 Stud Chain

Pull Load(PL)

0.0156d²(44-0.08d)

0.0180d²(44-0.08d)

0.0216d²(44-0.08d)

Breaking Load(BL)

0.0223d²(44-0.08d)

0.0249d²(44-0.08d)

0.0274d²(44-0.08d)

Load(KN)

R3 Studless Chian

R3S Studless Chain

R4 Studless Chain

Pull Load(PL)

0.0156d²(44-0.08d)

0.01743d²(44-0.08d)

0.01918d²(44-0.08d)

Breaking Load(BL)

0.0223d²(44-0.08d)

0.0249d²(44-0.08d)

0.0274d²(44-0.08d)

Note: this load sheet refers to ABS rules and DNV rules, all loading data included in the sheet shall be calculated according to relevant formulas.

Mechanical Properities of Mooring Chains

Grade

Yield Point (N/mm²,min)

Tensile Strength

(N/mm²,min)

Elongation

(%,min)

Reduction of Area

(%,min)

Impact Test(V-notch )

Test Temperature

()

Impact (J,min)

Base Part

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

43

ABS/RQ4

DNV/NVR4

580

860

12

50

-20

50

36

Manufacturing Process of Mooring Chain

1. Raw Material Inspection 2. Bar Cutting 3. Bar Heating 4. Bending 5. Welding 6. Trimming 7. Stud Inserting 8. Surface Treatment 9. NDT(MT+UT) 10. Heat Treatment 11. Proof Load Test 12. Cross Rolling 13. Surface Treatment 14. NDT(MT+UT) 15. Packing and Painting 16. Delivery

Offshore Mooring Chain

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Our mail: manager@hiseamarine.com

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