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1997

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Also See: Buttweld Fittings, Slip On Flanges, Weld-neck Flanges, Carbon Alloy Steel

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Sectional Tubes As Per Is: 4923 / 1997

» Dimensions & Properties of Square Hollow Sections

Designation D x W X T	Depth or Width	Thickness	Weight	Area of Section	Moment of Inertia	Radius of Gyration	Elastic Modulus	Plastic Modulus
mm	mm	mm	Kg/Mtr.	cm²	cm⁴	cm	cm³	cm³
25.0 x25.0x2.6	25.0	2.6	1.69	2.16	1.72	0.89	1.38	1.76
25.0x25.0x3.2	25.0	3.2	1.98	2.53	1.89	0.86	1.51	1.98
38.0x38.0x2.6	38.0	2.6	2.75	3.51	7.14	1.43	3.76	4.57
38.0x38.0x2.9	38.0	2.9	3.03	3.86	7.68	1.41	4.04	4.97
38.0x38.0x3.2	38.0	3.2	3.29	4.19	8.18	1.40	4.30	5.37
38.0x38.0x3.6	38.0	3.6	3.63	4.62	8.76	1.38	4.61	5.80
38.0x38.0x4.0	38.0	4.0	3.95	5.03	9.26	1.36	4.87	6.22
40.0x40.0x2.6	40.0	2.6	2.92	3.72	8.45	1.51	4.22	5.12
40.0x40.0x3.2	40.0	3.2	3.49	4.45	9.72	1.48	4.86	6.01
40.0x40.0x3.6	40.0	3.6	3.85	4.91	10.45	1.46	5.22	6.53
40.0x40.0x4.0	40.0	4.0	4.20	5.35	11.07	1.44	5.54	7.01
49.5x49.5x2.9	49.5	2.9	4.07	5.19	18.37	1.88	7.42	8.93
49.5x49.5x3.6	49.5	3.6	4.93	6.28	21.42	1.85	8.66	10.60
49.5x49.5x4.5	49.5	4.5	5.95	7.58	24.64	1.80	9.96	12.47
63.5x63.5x3.2	63.5	3.2	5.85	7.45	44.35	2.44	13.97	16.65
63.5x63.5x3.6	63.5	3.6	6.51	8.29	48.55	2.42	15.29	18.36
63.5x63.5x4.5	63.5	4.5	7.93	10.10	57.00	2.38	17.95	21.93
75.0x75.0x3.2	75.0	3.2	7.01	8.93	75.53	2.91	20.41	23.79
75.0x75.0x4.0	75.0	4.0	8.59	10.95	90.19	2.87	24.05	28.76
75.0x75.0x4.9	75.0	4.9	10.30	13.12	104.82	2.83	27.95	33.92
100.0x100.0x4.0	100.0	4.0	11.73	14.95	226.35	3.89	45.27	53.30
100.0x100.0x5.0	100.0	5.0	14.41	18.36	271.10	3.84	54.22	64.59
100.0x100.0x6.0	100.0	6.0	16.98	21.63	311.47	3.79	62.29	75.10

» Dimension & Properties of Rectangular Hollow Sections

Designation (mm) D x W xT	Weight (Kg/Mtr)	Area of Section (cm²)	Moment of Inertia (cm⁴)		Radius of Gyration(cm)		Elastic of Modulus (cm³)		Plastic of Modulus(cm³)
Designation (mm) D x W xT	Weight (Kg/Mtr)	Area of Section (cm²)	X-X	Y-Y	X-X	Y-Y	X-X	Y-Y	X-X	Y-Y
50x25x2.9	2.98	3.80	10.93	3.60	1.70	0.97	4.37	2.88	5.72	3.48
50x25x3.2	3.24	4.13	11.63	11.63	1.68	0.96	4.65	3.04	6.14	3.73
60x40x2.9	4.12	5.25	24.74	24.74	2.17	1.58	8.25	6.56	10.25	7.73
80x40x2.9	5.03	6.41	50.87	50.87	2.82	1.63	12.72	8.56	16.07	9.88
80x40x3.2	5.50	7.01	54.94	54.94	2.80	1.62	13.74	9.21	17.46	10.72
80x40x4.0	6.71	8.55	64.79	64.79	2.75	1.59	16.20	10.74	20.91	12.77
100x50x3.2	7.01	8.93	112.29	112.29	3.55	2.06	22.46	15.18	28.20	17.37
100x50x4.0	8.59	10.95	134.14	134.14	3.50	2.03	26.83	17.98	34.10	20.93

TOLERANCES:
A. Thickness: For all Sizes	± 10%	E. Radii Of Corners Outside:	3t Max. where is t is the thickness of the section
B. Outside Dimensions Of Sides:	± 1% with a min. of ± 0.5 mm	F. Length: Exact Length Random Length	± 6 mm 4 to 7 mtrs.
C. Weight: On Individual Lengths On lot of 10 tones	+ 10%, - 8% ± 7.5%	G. Physical Properties:	Min. Yield Stress= 310 Mpa Min. Tensile Stress = 410 Mpa % Elongation = 15 Min.
D. Squareness Of Corner:	90° ± 2°	G. Physical Properties:

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