Chain

 Grade 80 Alloy Chain

Trade Size in Inches (mm) Working Load Limit
in lbs.		 Feet Per Drum Minimum Weight
Per Ft. in lbs.
9/32" (7) 3,500 800 .71
5/16" (8) 4,400 500 .92
3/8" (10) 7,100 400 1.44
1/2" (13) 12,000 200 2.36
5/8" (16) 18,100 150 3.76
3/4" (20) 28,300 100 5.50

 

 

 

 

 

 

 

 

 

 

 

 

Grade 70 Transport Chain (Grade 70 Chromate Tie Down Chain)

Trade Size
in Inches		   Working Load
  Limit in Lbs		      Feet Per Drum Minimum Weight
Per Ft. in Lbs.
1/4" 3,150 800 .63
5/16" 4,700 550 .93
3/8" 6,600 400 1.41
1/2" 11,300 200 2.40

 

 

 

 

 

 

 

 

 

 

FOR OVERHEAD LIFTING; Grade 80 or 100 Alloy Chain Must be used

 

 

 

 

Diversified Chain and Rigging - Brooks and Area, Saskatchewan and Alberta