Chain diameter
dn
 

Chain link limit outer length
L(mm)

Width at non welded joints
(mm)

Ultimate working load
(t)

Unit weight
(kg/m)

Experimental verification force
(kg/m)

Manufacturing verification force
(kn)

Minimum breaking load
(kn)

Elongation under breaking load
(%)

max

min

W1

W

6

30

28

7.5

21

1.1

0.8

22.7

27

45.4

≥ 17

7

35

33

8.8

25

1.5

1.1

30.8

37

61.6

8

40

38

10

28

2

1.38

40.3

48

80.6

9

45

43

11.3

32

2.5

1.82

51

61

102

10

50

48

12.5

35

3.2

2.2

63

76

126

12

60

57

15

42

4.6

3.1

91

109

182

14

70

66

18

49

6.3

4.13

124

149

248

16

80

76

20

56

8

5.63

161

193

322

18

90

85

23

63

10

6.85

204

245

408

20

100

95

25

70

12.5

8.6

252

302

504

22

110

104

28

77

15.5

10.2

305

366

610

23

115

109

29

81

16.9

12

333

400

666

25

125

119

32

88

20

14.1

393

472

786

26

130

123

33

91

21.6

14.87

425

510

850

28

140

133

35

98

25

17.6

493

592

986

30

150

142

38

105

28.8

19.6

566

679

1132

32

160

152

40

112

32

23

644

773

1288

36

180

171

45

126

40

29

815

978

1630

40

200

190

50

140

50

36

1006

1207

2012

45

225

214

57

158

63

45.5

1273

1528

2546