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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

*WLL is sometimes called Safe Working Load (SWL)

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 -

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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