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Chonghong Industries Ltd. Banner

NACM90 STANDARD LINK CHAIN

surface treatment:self-color,polishing,painted,electro-galvanized,hot-dip galvanized,blackened etc.
Material:low carbon steel,Q235,Q195

Our Services:  
1.       high quality and competitive price
2.       with more than 20 years’ experience
3.       deliver timely
4.       free samples
5.       advanced technology
6.       OEM and ODM is welcome

Breaking Load Table

1. PROOF COIL CHAIN NACM90(G30)


NOMINAL SIZE

MATERIAL DIAMETER

WORKING LOAD LIMINT(MAX)  

PROOF TEST          (MIN)

BREAKING FORCE  MIN

Inside Length   (MAX)

Inside Width  (MIN)

MM

IN

MM

IN

KG

LB

KN

LB

KN

LB

MM

IN

MM

IN

4.0

 1/8

4.0

0.156

170

375

3.6

800

7.1

1,600

23.9

0.94

6.4

0.25

5.5

  3/16

5.5

0.217

365

800

7.2

1,600

14.3

3,200

24.8

0.98

7.7

0.30

7.0

 1/4

7.0

0.276

580

1,300

11.6

2,600

23.1

5,200

31.5

1.24

9.8

0.38

8.0

  5/16

8.0

0.315

860

1,900

15.1

3,400

30.2

6,800

32.8

1.29

11.2

0.44

10.0

 3/8

10.0

0.394

1,200

2,650

23.6

5,300

47.1

10,600

35.0

1.38

14

0.55

13.0

 1/2

13.0

0.512

2,030

4,500

39.8

8,950

79.6

17,900

45.5

1.79

18.2

0.72

16.0

 5/8

16.0

0.630

3,130

6,900

60.3

13,600

120.6

27,200

56.0

2.20

20

0.79

20.0

 3/4

20.0

0.787

4,800

10,600

94.3

21,200

188.5

42,400

70.0

2.76

25

0.98

22.0

 7/8

22.0

0.866

5,810

12,800

114.1

25,600

228.1

51,200

77.0

3.03

27.5

1.08

25.0

1   

26.0

1.020

8,140

17,900

159.1

35,800

318.2

71,600

90.9

3.58

31.7

1.25

 

2. HIGH TEST CHAIN NACM90(G43)


NOMINAL SIZE

MATERIAL DIAMETER

WORKING LOAD LIMINT(MAX)  

PROOF TEST          (MIN)

BREAKING FORCE  MIN

Inside Length   (MAX)

Inside Width  (MIN)

MM

IN

MM

IN

KG

LB

KN

LB

KN

LB

MM

IN

MM

IN

7.0

 1/4

7.0

0.276

1180

2,600

16.6

3,750

33.1

7,500

31.5

1.24

9.8

0.38

8.0

  5/16

8.0

0.315

1770

3,900

21.6

4,900

43.2

9,700

32.8

1.29

11.2

0.44

10.0

 3/8

10.0

0.394

2,450

5,400

33.8

7,600

67.6

15,200

35.0

1.38

14

0.55

13.0

 1/2

13.0

0.512

4,170

9,200

57.1

12,900

114.2

25,700

45.5

1.79

18.2

0.72

16.0

 5/8

16.0

0.630

5,220

11,500

86.5

19,500

172.9

38,900

56.0

2.20

20

0.79

 

3. TRANSPORT CHAIN NACM90(G70)


NOMINAL SIZE

MATERIAL DIAMETER

WORKING LOAD LIMINT(MAX)  

PROOF TEST          (MIN)

BREAKING FORCE  MIN

Inside Length   (MAX)

Inside Width  (MIN)

MM

IN

MM

IN

KG

LB

KN

LB

KN

LB

MM

IN

MM

IN

7.0

 1/4

7.0

0.276

1430

3,150

27.0

6,100

53.9

12,100

31.5

1.24

9.8

0.38

8.7

  5/16

8.0

0.315

2130

4,700

41.6

9,400

83.5

18,800

32.8

1.29

11.2

0.44

10.0

 3/8

10.0

0.394

2,990

6,600

55.0

12,400

110.0

24,700

35.0

1.38

14

0.55

13.0

 1/2

13.0

0.512

5,130

11,300

92.9

20,900

185.8

41,800

45.5

1.79

18.2

0.72

16.0

 5/8

16.0

0.630

7,170

15,800

140.4

31,600

280.8

63,200

56.0

2.20

20

0.79