Hot Rolled Steel Round Bar - ASTM A 36
 Size Weight per
Foot
Weight per
20' Length
 1/4"   .1671   3.341
3/8"   .3759   7.517
1/2"   .6682 13.360
5/8" 1.0440 20.880
3/4" 1.5040 30.070
7/8" 2.0460 40.930
 1"  2.6730 53.460
1-1/4" 4.1760 83.530
1-1/2" 6.0140 120.300  
2" 10.6900   213.800  
2-1/4" 13.5300   270.600  

.