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Theoretical weights for round sections - 3 to 6 inch
1-3 inch   3-6 inch   6-9 inch   9-12 inch   12-24 inch  24-30 inch
Size	Weight (Pounds)	Weight (Pounds)
Inch	Per foot	Per Inch
3	24.080	2.0050
3-1/16	25.069	2.0891
3-1/8	26.103	2.1752
3-3/16	27.157	2.2631
3-1/4	28.233	2.3527
3-5/16	29.329	2.4441
3-3/8	30.446	2.5372
3-7/16	31.284	2.6320
3-1/2	32.743	2.7286
3-9/16	33.923	2.8269
3-5/8	35.124	2.9270
3-11/16	36.345	3.0288
3-3/4	37.588	3.1323
3-13/16	38.851	3.2376
3-7/8	40.135	3.3446
3-15/16	41.440	3.4534
4	42.770	3.5642
4-1/16	44.113	3.6761
4-1/8	45.481	3.7901
4-3/16	46.870	3.9058
4-1/4	48.279	4.0233
4-5/16	49.710	4.1425
4-3/8	51.161	4.2634
4-7/16	52.633	4.3861
4-1/2	54.126	4.5105
4-9/16	55.640	4.6367
4-5/8	57.175	4.7646
4-11/16	58.731	4.8942
4-3/4	60.307	5.0256
4-13/16	61.905	5.1587
4-7/8	63.523	5.2936
4-15/16	65.162	5.4302
5	66.820	5.5683
5-1/16	68.504	5.7086
5-1/8	70.205	5.8504
5-3/16	71.928	5.9940
5-1/4	73.672	6.1393
5-5/16	75.436	6.2864
5-3/8	77.222	6.4351
5-7/16	79.028	6.5857
5-1/2	80.855	6.7379
5-9/16	82.703	6.8918
5-5/8	84.572	7.0477
5-11/16	86.462	7.2052
5-3/4	88.373	7.3644
5-13/16	90.304	7.5254
5-7/8	92.257	7.6881
5-15/16	94.230	7.8525