By Keyword By Item # | All Categories 4340 Hot Rolled Annealed Alloy Steel - Plates All Categories > Alloyed Bars and Plates > Hot Rolled Alloy Steels > 4340 Hot Rolled Annealed Alloy Steel > 4340 Hot Rolled Annealed Alloy Steel - Plates > Advanced Search Advanced Search in 4340 Hot Rolled Annealed Alloy Steel - Plates Unit of Measure Imperial Metric Both Specifications Thickness No Preference 1 1 1/2 1 1/4 1 3/4 1/2 10 11 12 2 2 1/2 2 1/4 2 3/4 3 3 1/2 3 1/4 3/4 4 4 1/2 5 5 1/2 5/8 6 6 1/2 7 8 9 Estimated Weight per Sq. In. No Preference .1418 .1773 .2127 .2836 .3545 .4254 .4963 .5672 .6381 .7090 .7799 .8508 .9217 .9926 1.134 1.276 1.418 1.560 1.702 1.843 1.985 2.269 2.552 2.836 3.119 3.403 Estimated Weight per Sq. Ft. No Preference 102.1 112.3 122.5 132.7 142.9 163.4 183.8 20.42 204.2 224.6 245.0 25.52 265.5 285.9 30.63 326.7 367.6 40.84 408.4 449.2 490.1 51.05 61.26 71.47 81.68 91.89 Clear Cancel Advanced Search