矩形管规格表|矩形钢管尺寸|矩形钢管规格表

尺  寸				特  性**
公称*尺寸	壁厚		每英尺重量	截面积	X-X轴			Y-Y轴
					Ix	Sx	rx	Iy	Sy	ry
ln.	ln.		Lb.	ln.2	ln.4	ln.3	ln.	ln.4	ln.3	ln.
20×12	.5000	1/2	103.30	30.4	1650	165	7.37	750	125.0	4.97
	.3750	3/8	78.52	23.1	1280	128	7.44	583	97.2	5.03
	.3125	5/16	65.87	19.4	1080	108	7.47	495	82.5	5.06
20×8	.5000	1/2	89.68	26.4	1270	127	6.94	300	75.1	3.38
	.3750	3/8	68.31	20.1	988	98.8	7.02	236	59.1	3.43
	.3125	5/16	57.36	16.9	838	83.8	7.05	202	50.4	3.46
20×4	.5000	1/2	76.07	22.4	889	88.9	6.31	61.6	30.8	1.66
	.3750	3/8	58.10	17.1	699	69.9	6.40	50.3	25.1	1.72
	.3125	5/16	48.86	14.4	596	59.6	6.44	43.7	21.8	1.74
18×6	.5000	1/2	76.07	22.4	818	90.9	6.05	141	47.2	2.52
	.3750	3/8	58.10	17.1	641	71.3	6.13	113	37.6	2.57
	.3125	5/16	48.86	14.4	546	60.7	6.17	97.0	32.3	2.60
16×12	.5000	1/2	89.68	26.4	962	120	6.04	618	103.0	4.84
	.3750	3/8	68.31	20.1	748	93.5	6.11	482	80.3	4.90
	.3125	5/16	57.36	16.9	635	79.4	6.14	409	68.2	4.93
16×8	.5000	1/2	76.07	22.4	722	90.2	5.68	244	61.0	3.30
	.3750	3/8	58.10	17.1	565	70.6	5.75	193	48.2	3.36
	.3125	5/16	48.86	14.4	481	60.1	5.79	165	41.2	3.39