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ISWB 400

Wide Flange Beam66.7 kg/m

Indian Standard Wide Flange Beam — IS 808:2021 | Depth 400mm × Width 200mm

Cross-Section (mm)
400200tw=8.6tf=13
Weight Calculator
66.7 kg/m × 6m × 1 =
400.2kg
0.400tonnes
Section Properties
Depth (D)400 mm
Width (B)200 mm
Web Thickness (tw)8.6 mm
Flange Thickness (tf)13 mm
Weight per Metre66.7 kg/m
Cross-sectional Area85.01 cm²
Moment of Inertia (Ixx)27179.3 cm⁴
Moment of Inertia (Iyy)2217.4 cm⁴
Section Modulus (Zxx)1359 cm³
Section Modulus (Zyy)221.7 cm³
Radius of Gyration (rxx)17.88 cm
Radius of Gyration (ryy)5.1 cm
Related Sections
ISWB 350
350mm × 200mm · 56.9 kg/m
Ixx 18274.6 cm⁴ · Zxx 1044.3 cm³
ISWB 450
450mm × 200mm · 79.4 kg/m
Ixx 39603.6 cm⁴ · Zxx 1760.2 cm³
Applicable IS Codes
IS 808:2021 — Hot Rolled Structural Steel SectionsIS 2062:2011 — Hot Rolled Structural SteelIS 800:2007 — General Construction in Steel
Frequently Asked Questions
Q.What is the weight of ISWB 400 per metre?

ISWB 400 weighs 66.7 kg per metre as per IS 808. For a standard 6m length, the total weight would be 400.2 kg.

Q.What are the dimensions of ISWB 400?

ISWB 400 has a depth of 400mm, flange width of 200mm, web thickness of 8.6mm, and flange thickness of 13mm.

Q.What is the moment of inertia of ISWB 400?

The moment of inertia of ISWB 400 is Ixx = 27179.3 cm⁴ (major axis) and Iyy = 2217.4 cm⁴ (minor axis).

Q.When should I use ISWB 400?

ISWB 400 (Wide Flange Beam) is typically used for beams requiring higher lateral stiffness and crane girders. It provides a section modulus of Zxx = 1359 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISWB 400 weigh?

A 6m length of ISWB 400 weighs 400.2 kg (0.400 tonnes). Weight formula: 66.7 kg/m × 6m = 400.2 kg.

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