Carbon Grade 70 Transport Chain - Welded Link Chain - Hi-sea

Carbon Grade 70 Transport Chain

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Carbon Grade 70 Transport Chain


1. Product Description

Grade 70 chain is made of heat treated carbon steel without any alloying elements added. With a gold(zinc yellow) chromate finish, carbon G70 chain owns better capability resisting corrosion from continuous exposure such as to the rigors of highway use. Its load ratings are approximately 20% higher compared with G43 chain, according to ASTM & NACM specifications. Grade 70 transport chain is not intended for overhead lifting.

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2. Features of G70 Transport Chain

• Material: heat treated carbon steel

• Standard: ASTM & NACM, G70

• Finish: chromatedblack painted, galvanized

•Packing: drums, pails or customized

•Purpose: safe tie downs in trailer, logging and oil rigging

• Not for overhead lifting


3. Specifications for G70 Transport Chain (ASTM Standard in 1980)

Chain Size

Material Diameter

Working Load Limit

Proof Test

Breaking Force Minimum

Max Length 100 Links

Max Weight per 100 Feet

in

mm

lbs

kg

lbs

kN

lbs

kN

in

m

lbs

kg

1/4

0.281

7.1

3150

1430

6300

28.0

12600

56.1

98

2.49

84

38

5/16

0.343

8.7

4700

2130

9400

41.8

18800

83.6

110

2.79

120

54

3/8

0.406

10.3

6600

3000

13200

58.7

26400

117.4

134

3.40

176

80

1/2

0.531

13.5

11300

5130

22600

100.5

45200

201.1

160

4.06

300

136

Specifications for Grade 70 Transport Chain (NACM Standard in 1980)

Chain Size

Material Diameter

Working Load Limit

Proof Test

Breaking Force Minimum

Inside Length (Max)

Inside Width (Min)

mm

in

mm

in

kg

lbs

kN

lbs

kN

lbs

mm

in

mm

in

7.0

1/4

7.0

0.276

1430

3150

27.0

6100

53.9

12100

31.5

1.24

9.8

0.38

8.7

5/16

8.7

0.343

2130

4700

41.6

9400

83.5

18800

33.5

1.32

12.2

0.48

10.0

3/8

10.0

0.394

2990

6600

55.0

12400

110.0

24700

35.0

1.38

14.0

0.55

11.9

7/16

11.9

0.468

3970

8750

77.7

17500

155.4

35000

41.6

1.64

16.6

0.65

13.0

1/2

13.0

0.512

5130

11300

92.9

20900

185.8

41800

45.5

1.79

18.2

0.72

16.0

5/8

16.0

0.630

7170

15800

140.4

31600

280.8

63200

56.0

2.20

20.0

0.79

20.0

3/4

20.0

0.787

11200

24700

219.6

49500

439.8

98900

70.0

2.76

25.0

0.98

Specifications for Grade 70 Transport Chain (NACM Standard in 1996/2003)

Chain Size

Material Diameter

Working Load Limit

Proof Test

Breaking Force Minimum

Inside Length (Max)

Inside Width (Min)

mm

in

mm

in

kg

lbs

kN

lbs

kN

lbs

mm

in

mm

in

7.0

1/4

7.0

0.281

1430

3150

28.0

6300

56.0

12600

31.8

1.24

9.8

0.38

8.7

5/16

8.7

0.343

2130

4700

41.8

9400

83.6

18800

32.8

1.29

11.2

0.44

11.9

3/8

11.3

0.406

2990

6600

58.7

13200

117.4

26400

35.0

1.38

14.0

0.55

13.0

1/2

13.5

0.531

5130

11300

100.4

22600

200.8

45200

45.5

1.79

18.2

0.72

16.0

5/8

16.0

0.630

7170

15800

140.4

31600

280.8

63200

56.0

2.20

20.0

0.79

20.0

3/4

20.0

0.787

11200

24700

219.6

49400

439.2

98800

70.0

2.76

25.0

0.98


4. Photo of Carbon G70 Transport Chain


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