Torsional Properties^1,2
Hat Sections

Section	J	Cw	j	y0		Section	J	Cw	j	y0
	in.4	in.6	in.	in.			in.4	in.6	in.	in.
1.50 X 1.688 X .656 SH 16 G	0.0003996	0.0558	0.000	-1.333		1.00 X 1.625 X 1.563 UH 16 G	0.0005023	0.0612	0.000	-0.609
1.50 X 1.688 X .656 SH 18 G	0.0002181	0.0487	0.000	-1.333		1.00 X 1.625 X 1.563 UH 18 G	0.0002720	0.0514	0.000	-0.616
						1.00 X 1.625 X 1.563 UH 22 G	0.0000670	0.0339	0.000	-0.628
1.50 X 1.625 X .938 SH 16 G	0.0004449	0.0948	0.000	-1.126
1.50 X 1.625 X .938 SH 18 G	0.0002425	0.0812	0.000	-1.126		.875 X 2.000 X 1.563 UH 16 G	0.0005037	0.0487	0.000	-0.558
1.50 X 1.625 X .938 SH 22 G	0.0000604	0.0556	0.000	-1.127		.875 X 2.000 X 1.563 UH 18 G	0.0002727	0.0411	0.000	-0.566
						.875 X 2.000 X 1.563 UH 22 G	0.0000672	0.0272	0.000	-0.578
1.50 X 1.125 X .563 SH 16 G	0.0003593	0.0312	0.000	-1.224
1.50 X 1.125 X .563 SH 18 G	0.0001964	0.0266	0.000	-1.221		.875 X 1.625 X 1.563 UH 16 G	0.0004780	0.0437	0.000	-0.526
1.50 X 1.125 X .563 SH 22 G	0.0000491	0.0192	0.000	-1.217		.875 X 1.625 X 1.563 UH 18 G	0.0002589	0.0369	0.000	-0.533
						.875 X 1.625 X 1.563 UH 22 G	0.0000638	0.0245	0.000	-0.545
1.25 X 2.000 X 1.563 UH 16 G	0.0005763	0.1167	0.000	-0.814
1.25 X 2.000 X 1.563 UH 18 G	0.0003118	0.0975	0.000	-0.821		.75 X 2.000 X 1.563 UH 16 G	0.0004795	0.0333	0.000	-0.472
1.25 X 2.000 X 1.563 UH 22 G	0.0000767	0.0636	0.000	-0.834		.75 X 2.000 X 1.563 UH 18 G	0.0002597	0.0282	0.000	-0.480
						.75 X 2.000 X 1.563 UH 22 G	0.0000640	0.0188	0.000	-0.492
1.25 X 1.625 X 1.563 UH 16 G	0.0005506	0.1068	0.000	-0.773
1.25 X 1.625 X 1.563 UH 18 G	0.0002980	0.0893	0.000	-0.781		.75 X 1.625 X 1.563 UH 16 G	0.0004538	0.0296	0.000	-0.443
1.25 X 1.625 X 1.563 UH 22 G	0.0000734	0.0583	0.000	-0.793		.75 X 1.625 X 1.563 UH 18 G	0.0002459	0.0252	0.000	-0.451
						.75 X 1.625 X 1.563 UH 22 G	0.0000606	0.0168	0.000	-0.463
1.12 X 2.000 X 1.563 UH 16 G	0.0005521	0.0902	0.000	-0.729
1.12 X 2.000 X 1.563 UH 18 G	0.0002988	0.0755	0.000	-0.737		.625 X 2.000 X 1.563 UH 16 G	0.0004553	0.0211	0.000	-0.386
1.12 X 2.000 X 1.563 UH 22 G	0.0000736	0.0495	0.000	-0.749		.625 X 2.000 X 1.563 UH 18 G	0.0002467	0.0180	0.000	-0.394
						.625 X 2.000 X 1.563 UH 22 G	0.0000608	0.0122	0.000	-0.406
1.12 X 1.625 X 1.563 UH 16 G	0.0005264	0.0821	0.000	-0.691
1.12 X 1.625 X 1.563 UH 18 G	0.0002850	0.0688	0.000	-0.699		.625 X 1.625 X 1.563 UH 16 G	0.0004296	0.0186	0.000	-0.361
1.12 X 1.625 X 1.563 UH 22 G	0.0000702	0.0451	0.000	-0.711		.625 X 1.625 X 1.563 UH 18 G	0.0002329	0.0159	0.000	-0.368
						.625 X 1.625 X 1.563 UH 22 G	0.0000575	0.0108	0.000	-0.380
1.00 X 2.000 X 1.563 UH 16 G	0.0005279	0.0676	0.000	-0.644
1.00 X 2.000 X 1.563 UH 18 G	0.0002858	0.0568	0.000	-0.651
1.00 X 2.000 X 1.563 UH 22 G	0.0000704	0.0374	0.000	-0.664

IV-B-1

15 October 1998