Round steel link chain making for 30+ years

SHANGHAI CHIGONG INDUSTRIAL CO., LTD

(round steel link chain manufacturer)

Grade 80 (G80) lifting chains

Short Description:

SCIC Grade 80 (G80) chains for lifting are made as per EN 818-2 standards, with nickel chromium molybdenum manganese alloy steel per DIN 17115 standards; well designed / monitored welding & heat-treatment ensure chains mechanical properties including test force, breaking force, elongation & hardness.


Product Detail

Product Tags

Category

Lifting and lashing, chain, short link chain, round link chain lifting, Grade 80 chain,G80 chain, chain sling, sling chains, DIN 818-2 medium tolerance chain for chain slings Grade 8, alloy steel chain

Application

Lifting and lashing, loads lifting, loads binding

1
2
3

Figure 1: Grade 80 chain link dimensions

1

Table 1: Grade 80 (G80) chain dimensions, EN 818-2

diameter

pitch

width

unit weight
(kg/m)

nominal
d (mm)

tolerance
(mm)

p (mm)

tolerance
(mm)

inner W1
min. (mm)

outer W2
max. (mm)

6

± 0.24

18

± 0.5

7.8

22.2

0.8

7

± 0.28

21

± 0.6

9.1

25.9

1.1

8

± 0.32

24

± 0.7

10.4

29.6

1.4

10

± 0.4

30

± 0.9

13

37

2.2

13

± 0.52

39

± 1.2

16.9

48.1

4.1

16

± 0.64

48

± 1.4

20.8

59.2

6.2

18

± 0.9

54

± 1.6

23.4

66.6

8

19

± 1

57

± 1.7

24.7

70.3

9

20

± 1

60

± 1.8

26

74

9.9

22

± 1.1

66

± 2.0

28.6

81.4

12

23

± 1.2

69

± 2.1

29.9

85.1

13.1

24

± 1.2

72

± 2.1

30

84

14.5

25

± 1.3

75

± 2.2

32.5

92.5

15.6

26

± 1.3

78

± 2.3

33.8

96.2

16.8

28

± 1.4

84

± 2.5

36.4

104

19.5

30

± 1.5

90

± 2.7

37.5

105

22.1

32

± 1.6

96

± 2.9

41.6

118

25.4

36

± 1.8

108

± 3.2

46.8

133

32.1

38

± 1.9

114

± 3.4

49.4

140.6

35.8

40

± 2

120

± 4.0

52

148

39.7

45

± 2.3

135

± 4.0

58.5

167

52.2

48

± 2.4

144

± 4.3

62.4

177.6

57.2

50

± 2.6

150

± 4.5

65

185

62

Table 2: Grade 80 (G80) chain mechanical properties, EN 818-2

diameter
d (mm)

working load limit
WLL (t)

manufacturing proof force
MPF (kN)

min. breaking force
BF (kN)

6

1.12

28.3

45.2

7

1.5

38.5

61.6

8

2

50.3

80.4

10

3.15

78.5

126

13

5.3

133

212

16

8

201

322

18

10

254

407

19

11.2

284

454

20

12.5

314

503

22

15

380

608

23

16

415

665

24

18

452

723

25

20

491

785

26

21.2

531

850

28

25

616

985

30

28

706

1130

32

31.5

804

1290

36

40

1020

1630

38

45

1130

1810

40

50

1260

2010

45

63

1590

2540

48

72

1800

2890

50

78.5

1963

3140

notes: total ultimate elongation at breaking force is min. 20%;
           WLL shall not exceed 25% of breaking force.

changes of Working Load Limit in relation to temperature
Temperature (°C) WLL %
 -40 to 200 100%
 200 to 300 90%
 300 to 400 75%
 over 400 unacceptable

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