ALLOY STEEL ROUNDS
 
           
20 FT. ROUNDS
Size In   4140 4140 4340 4340
Inches Lbs/Ft. ANN HT ANN HT
6-3/4 121.7 X X X X
7 134.3 X X X X
7-1/4 140.4 X X X X
7-1/2 150.2 X X X X
7-3/4 160.4 X X X X
8 174.9 X X X X
8-1/4 181.8 X X X X
8-1/2 192.9 X X X X
9 216.3 X X X X
9-1/2 241.0 X X X X
10 267.0 X X X X
10-1/2 294.4 X X X X
11 323.1 X X X X
11-1/2 353.2 X X X  
12 384.5 X X X