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ISWB 450

Wide Flange Beam79.4 kg/m

Indian Standard Wide Flange Beam — IS 808:2021 | Depth 450mm × Width 200mm

Cross-Section (mm)
450200tw=9.2tf=15.4
Weight Calculator
79.4 kg/m × 6m × 1 =
476.4kg
0.476tonnes
Section Properties
Depth (D)450 mm
Width (B)200 mm
Web Thickness (tw)9.2 mm
Flange Thickness (tf)15.4 mm
Weight per Metre79.4 kg/m
Cross-sectional Area101.15 cm²
Moment of Inertia (Ixx)39603.6 cm⁴
Moment of Inertia (Iyy)2570.6 cm⁴
Section Modulus (Zxx)1760.2 cm³
Section Modulus (Zyy)257.1 cm³
Radius of Gyration (rxx)19.8 cm
Radius of Gyration (ryy)5.04 cm
Related Sections
ISWB 400
400mm × 200mm · 66.7 kg/m
Ixx 27179.3 cm⁴ · Zxx 1359 cm³
ISWB 500
500mm × 250mm · 95.2 kg/m
Ixx 59379.7 cm⁴ · Zxx 2375.2 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 450 per metre?

ISWB 450 weighs 79.4 kg per metre as per IS 808. For a standard 6m length, the total weight would be 476.4 kg.

Q.What are the dimensions of ISWB 450?

ISWB 450 has a depth of 450mm, flange width of 200mm, web thickness of 9.2mm, and flange thickness of 15.4mm.

Q.What is the moment of inertia of ISWB 450?

The moment of inertia of ISWB 450 is Ixx = 39603.6 cm⁴ (major axis) and Iyy = 2570.6 cm⁴ (minor axis).

Q.When should I use ISWB 450?

ISWB 450 (Wide Flange Beam) is typically used for beams requiring higher lateral stiffness and crane girders. It provides a section modulus of Zxx = 1760.2 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISWB 450 weigh?

A 6m length of ISWB 450 weighs 476.4 kg (0.476 tonnes). Weight formula: 79.4 kg/m × 6m = 476.4 kg.

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