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ISO 13713 Mooring And Towing Fittings Mooring Chocks

ISO 13713 Mooring And Towing Fittings Mooring Chocks

ISO 13713 Mooring And Towing Fittings Mooring Chocks Chock:steel casting material having a yield point of not less than 235 N/mm2 or equivalent. The chock contents of the steel casting are not to be more than 0.23% considering weldability.

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Product Description

ISO 13713 Mooring And Towing Fittings Mooring Chocks

Chock:steel casting material having a yield point of not less than 235 N/mm2 or equivalent.
The chock contents of the steel casting are not to be more than 0.23% considering weldability.

Manufacturing and inspection

All surface of the mooring chocks,including weldingshall be free from any visible flaws or imperfections.
All surfaces in contact with the ropes shall be free from surface roughness or irregularities likely to cause damage to ropes by abrasion
The mooring chocks shall be coated externally with an anti-corrosion protective finish.

Type

Type A :Deck-mounted mooring chock
Type B:Bulwark-mounted mooring chock

Type A

Nominal size L*H

l1

l2

l3

B

H1

H2

R

R1

R2

250*200

100

250

444

160

377

80

100

197

80

300*250

110

300

536

200

468

100

125

243

100

350*250

125

350

608

220

489

110

125

254

110

400*250

135

400

682

240

511

120

125

266

120

450*250

150

450

760

260

535

130

125

280

130

500*250A

175

500

832

280

556

140

125

291

140

500*250B

175

500

840

280

560

140

125

295

140

Nominal size L*H

R3

R4

R5

T

T1

Welding leg lengtha

SWLb

Calculated Weightc kg

Z1

KN

t

250*200

46

20

15

34

18

8.5

353

36

73

300*250

64

25

20

36

20

9

491

50

121

350*250

72

30

20

38

20

9.5

589

60

151

400*250

78

30

20

42

23

10.5

736

75

200

450*250

80

30

20

50

28

12.5

981

100

280

500*250A

88

30

20

52

30

13

1128

115

338

500*250B

80

30

20

60

36

15

1373

140

396

a The welding method may be changed based on the same welding volume/strength. b The SWLs shown are for reference only. These are based on the loadings as mentioned in Annex A. The SWL may be adjusted depending on the actual loading conditionsand the actual marking shall be agreed between the user and the manufacturer. c The calculated weight is for reference only.

Type B

Nominal size L*H

l1

l2

B

H1

H2

C

R

R1

R2

250*200

450

398

154

408

327

57

100

200

174

300*250

516

460

168

466

387

60

125

233

205

350*250

582

520

177

482

395

65

125

241

210

400*250

652

588

193

502

412

70

125

251

219

450*250

734

662

213

534

433

77

125

267

231

500*250A

812

730

237

562

447

82

125

281

240

500*250B

828

750

253

578

466

82

125

289

250

Nominal size L*H

R3

T

T1

Welding leg lengtha

SWLb

Calculated weightc kg

Z1

Z2

KN

t

250*200

78

26

20

8

8

353

36

48

300*250

85

27

24

8

9.5

491

50

83

350*250

90

29

25

9

10

589

60

100

400*250

98

34

32

9.5

13

736

75

145

450*250

108

41

36

12.5

14.5

981

100

215

500*250A

120

41

36

12.5

14.5

1128

115

235

500*250B

128

48

41

14.5

16.5

1373

140

266

a The welding method may be changed based on the same welding volume/strength b The SWLs shown are for reference only. These are based on the loading as mentioned in Annex A c The calculated weight is for reference only.


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