ASTM Grade 30 Proof Coil Chain



Introduction


Parameter


MEDIUM LINK CHAIN

Diameter

Working   Load Limit

Proof   Load

Breaking   Load

Max.   Length per 100 Links

Max.   Weight per 100 ft

d

WLL

MPL

MBL

(inch)

(m)

(lbs)

(kg)

(inch)

(mm)

(lbs)

(kg)

(lbs)

(KN)

(lbs)

(KN)

1/8

4.0

375

170

800

3.6

1600

7.1

94

2.39

19

8.8

3/16

5.5

750

340

1500

6.7

3000

13.3

99

2.51

42

19

1/4

7.1

1250

570

2500

11.1

5000

22.2

104

2.64

76

34

5/16

8.7

1900

860

3800

16.9

7600

33.8

114

2.89

115

52

3/8

10.3

2650

1200

5300

23.6

10600

47.2

128

3.25

166

75

7/16

11.9

3500

1590

7000

31.1

14000

62.3

142

3.60

225

102

1/2

13.5

4500

2040

9000

40.0

18000

80.1

156

3.96

289

131

5/8

16.7

6900

3130

13800

61.4

27600

122.8

194

4.92

425

193

3/4

19.8

9750

4420

19500

86.7

39000

173.5

220

5.59

612

278


Standards
Q & A
Our chains are mostly exported to more than 30 countries
both in European and Asian markets.