By Keyword By Item # | All Categories 4140 Aircraft Annealed & Cold Finished Alloy - Rounds All Categories > Alloyed Bars and Plates > Aircraft Alloy Steels > Cold Finished Aircraft Alloy Bars > 4140 Aircraft Alloy Bars > 4140 Aircraft Annealed & Cold Finished Alloy - Rounds > Advanced Search Advanced Search in 4140 Aircraft Annealed & Cold Finished Alloy - Rounds Unit of Measure Imperial Metric Both Specifications Size No Preference 1 1 1/16 1 1/2 1 1/4 1 1/8 1 3/16 1 3/4 1 3/8 1 5/16 1 5/8 1 7/16 1 7/8 1/2 1/4 11/16 13/16 15/16 2 2 1/2 2 1/4 2 3/4 3 3/4 3/8 5/16 5/8 7/16 7/8 9/16 Estimated Weight per Foot (lb) No Preference .1671 .2610 .3759 .5116 .6682 .8457 1.044 1.263 1.504 1.765 10.69 13.53 16.71 2.046 2.349 2.673 20.21 24.06 3.017 3.383 3.769 4.176 4.604 5.053 5.523 6.014 7.058 8.186 9.397 Estimated Weight 12-Ft. Bar (lb) No Preference 10.15 112.8 12.53 128.3 15.16 162.4 18.04 2.005 200.5 21.17 24.56 242.6 28.19 288.7 3.132 32.07 36.21 4.510 40.59 45.23 50.12 55.25 6.139 60.64 66.28 72.17 8.019 84.70 98.23 Clear Cancel Advanced Search