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Steel Pipes - All about Pipes & Tubes

Home » Steel Pipes & Tubes Specifications

Steel Pipes - All about Pipes & Tubes 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 Mod. Plastic Mod.
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
Wgt.(kg/
mtr)
Area of Section (cm²) Moment
of Inertia (cm4)
Radius of Gyration(cm) Elastic of Mod. (cm3) Plastic of Mod. (cm3)
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. Outside Dimensions Of
    Sides:
± 1% with a min. of ± 0.5 mm
B. Thickness:
      For all Sizes
± 10%
C. Weight:
     On Individual Lengths
     On lot of 10 tones

+ 10%, - 8%
± 7.5%
D. Squareness Of Corner: 90° ± 2°
E. Radii Of Corners Outside: 3t Max. where is t is the thickness of the section
F. Length:
     Exact Length
     Random Length

± 6 mm
4 to 7 mtrs.
G. Physical Properties: Min. Yield Stress= 310 Mpa
Min. Tensile Stress = 410 Mpa
% Elongation = 15 Min.



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