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Chonghong Industries Ltd. Banner

ASTM80 STANDARD LINK CHAIN

Breaking Load Table

1. PROOF COIL CHAIN ASTM80(G30)


NOMINAL SIZE

WORKING LOAD LIMINT(MAX)  

PROOF LOAD (MIN)

MIN.BREAKING LOAD

WEIGHT PER 100'

Inside Length (MAX)

Inside Width (MIN)

inches

mm

KG

LB

KN

LB

KN

LB

KG

LB

mm

inches

mm

inches

 1/8

4

190

420

3.78

850

7.56

1,700

8.8

19

22.6

0.89

7.4

0.29

  3/16

5.5

360

800

7.11

1,600

14.2

3,200

18.3

40

24.1

0.95

10.2

0.40

 1/4

7.1

600

1,330

11.8

2,650

23.6

5,300

32.7

72

25.4

1.00

12.7

0.50

  5/16

8.7

910

2,000

17.8

4,000

35.6

8,000

48.0

106

27.9

1.10

12.7

0.50

 3/8

10.3

1,270

2,800

24.9

5,600

49.8

11,200

70.3

155

31.2

1.23

15.7

0.62

 1/2

13.5

2,190

4,800

42.9

9,650

85.8

19,300

123

271

38.9

1.53

20.3

0.8

 5/8

16.7

3,350

7,400

65.8

14,800

131.6

29,600

184

405

48.3

1.90

25.4

1.00

 3/4

19.8

4,700

10,400

92.5

20,800

185.0

41,600

264

582

54.6

2.15

28.4

1.12

 7/8

23

6,350

14,000

124.5

28,000

249.0

56,000

368

811

63.5

2.50

34.8

1.37

1   

26.5

8,400

18,600

165.4

37,200

330.8

74,400

474

1,045

69.9

2.75

38.1

1.50

 

2. HIGH TEST CHAIN ASTM80(G43)


NOMINAL SIZE

WORKING LOAD LIMINT(MAX)  

PROOF LOAD (MIN)

MIN.BREAKING LOAD

WEIGHT PER 100'

Inside Length (MAX)

Inside Width (MIN)

inches

mm

KG

LB

KN

LB

KN

LB

KG

LB

mm

inches

mm

inches

 1/4

7.1

1,180

2,600

19.1

4,300

34.5

7,750

36.3

80

21.8

0.86

10.2

0.40

  5/16

8.7

1,770

3,900

27.4

6,400

51.6

11,600

50.4

111

26.7

1.05

12.2

0.48

 3/8

10.3

2,450

5,400

39.6

8,900

72.0

16,200

72.6

160

30.3

1.19

14.7

0.58

 1/2

13.5

4,170

9,200

68.0

15,300

122.7

27,600

129

284

36.0

1.43

19.1

0.75

 

3. TRANSPORT CHAIN ASTM80(G70)


NOMINAL SIZE

WORKING LOAD LIMINT(MAX)  

PROOF LOAD (MIN)

MIN.BREAKING LOAD

WEIGHT PER 100'

Inside Length (MAX)

Inside Width (MIN)

inches

mm

KG

LB

KN

LB

KN

LB

KG

LB

mm

inches

mm

inches

 1/4

7.1

1,430

3,150

27.8

6,300

56

12,600

34.0

75

21.8

0.86

11.4

0.45

  5/16

8.7

2,130

4,700

41.8

9,400

83.6

18,800

50.4

111

25.6

1.01

11.7

0.46

 3/8

10.3

2,990

6,600

58.7

13,200

117.4

26,400

71.0

156

30.2

1.19

14.0

0.55