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Chain Strength Chart
(Working Load Limit Comparisons
)

Chain strength is identified throughout our website by

Working Load Limits* (WLL) in pounds - the higher the WLL, the stronger the chain.

About Chain Grades

Chain Size

Grade 30
Proof Coil

(WLL in lbs)
Dimensions

Prices

Gr 43

High Test

(WLL in lbs)

Dimensions

Prices

Gr 70

Transport

(WLL in lbs)

Dimensions

Prices

Gr 80

Alloy

(WLL in lbs)

Dimensions

Prices

Gr 100

Alloy

(WLL in lbs)

Dimensions

Prices

1/8

400

-

-

-

-

3/16

800

-

-

-

-

7/32

-

-

-

2,100

2,700

1/4

1,300

2,600

3,150

-

-

9/32

-

-

-

3,500

4,300

5/16

1,900

3,900

4,700

4,500

-

3/8

2,650

5,400

6,600

7,100

8,800

7/16

3,700

7,200

8,750

-

-

1/2

4,500

9,200

11,300

12,000

15,000

5/8

6,900

13,000

15,800

18,100

22,600

3/4

10,600

20,200

24,700

28,300

35,300

7/8

-

24,500

-

34,200

-

1"

17,900

30,000

-

47,700

-

1-1/4

-

-

-

72,300

-

*WLL is sometimes called Safe Working Load (SWL)

 

Definitions:

Proof Load: 2 x WLL

Breaking Strength: 4 x WLL

 (exception Gr 43 is 3 x WLL)

CAUTION: ONLY USE WLL FOR DESIGN PURPOSES.

 


 
 

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