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ISWB 550

Wide Flange Beam112.5 kg/m

Indian Standard Wide Flange Beam — IS 808:2021 | Depth 550mm × Width 250mm

Cross-Section (mm)
550250tw=10.5tf=17.6
Weight Calculator
112.5 kg/m × 6m × 1 =
675.0kg
0.675tonnes
Section Properties
Depth (D)550 mm
Width (B)250 mm
Web Thickness (tw)10.5 mm
Flange Thickness (tf)17.6 mm
Weight per Metre112.5 kg/m
Cross-sectional Area143.34 cm²
Moment of Inertia (Ixx)83288.7 cm⁴
Moment of Inertia (Iyy)5794.6 cm⁴
Section Modulus (Zxx)3028.7 cm³
Section Modulus (Zyy)463.6 cm³
Radius of Gyration (rxx)24.1 cm
Radius of Gyration (ryy)6.35 cm
Related Sections
ISWB 500
500mm × 250mm · 95.2 kg/m
Ixx 59379.7 cm⁴ · Zxx 2375.2 cm³
ISWB 600
600mm × 250mm · 133.7 kg/m
Ixx 115626.6 cm⁴ · Zxx 3854.2 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 550 per metre?

ISWB 550 weighs 112.5 kg per metre as per IS 808. For a standard 6m length, the total weight would be 675.0 kg.

Q.What are the dimensions of ISWB 550?

ISWB 550 has a depth of 550mm, flange width of 250mm, web thickness of 10.5mm, and flange thickness of 17.6mm.

Q.What is the moment of inertia of ISWB 550?

The moment of inertia of ISWB 550 is Ixx = 83288.7 cm⁴ (major axis) and Iyy = 5794.6 cm⁴ (minor axis).

Q.When should I use ISWB 550?

ISWB 550 (Wide Flange Beam) is typically used for beams requiring higher lateral stiffness and crane girders. It provides a section modulus of Zxx = 3028.7 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISWB 550 weigh?

A 6m length of ISWB 550 weighs 675.0 kg (0.675 tonnes). Weight formula: 112.5 kg/m × 6m = 675.0 kg.

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