Diameter of Chain

Anchor Chain

Approx. Mass (27.5m)

Grade 1

Grade 2

Grade 3

Proof
Load

Breaking Load

Proof
Load

Breaking Load

Proof
Load

Breaking Load

mm

kn

kn

kn

kn

kn

kn

kg

12.5

28.75

57.81

41.2

82.6

/

/

93.5

14

34.78

69.93

51

101.9

/

/

117.15

16

47.1

94.72

66.2

132.3

/

/

152.9

17.5

56.35

113.31

78.89

157.78

/

/

182.8

19

66.42

133.57

93.6

187.2

/

/

249.5

20.5

77.33

155.49

108.64

217.27

/

/

275.4

22

89.06

179.08

125.4

250.9

/

/

328.6

24

105.98

213.25

149.9

298.9

/

/

385

26

124.38

250.12

175.4

350.8

/

/

449.1

28

144.26

290.08

203.8

406.7

283

566

516.7

30

165.6

333

234.2

467.5

324

649

589.4

32

188.42

378.88

265.6

531.2

369

739.3

664.6

34

212.7

427.72

299.9

599.8

417.3

834.6

752.9

36

238.46

479.52

336.1

672.3

467.8

935.7

861.2

38

265.7

534.28

374.4

748.7

521.3

1042.5

957.5

40

249.4

592

414.5

829.1

577.6

1155.2

1056.2

42

324.58

652.68

457.7

915.3

636.8

1273.6

1166.5

44

256.22

716.32

502.7

999.6

698.9

1397.8

1270.4

46

389.34

782.92

548.8

1097.6

763.9

1527.8

1396.6

48

423.94

852.48

597.8

1195.6

831.7

1663.5

1520.6

50

460

926.09

648.8

1239.6

902.5

1805

1650