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ISMB 350

Medium Beam52.4 kg/m

Indian Standard Medium Beam — IS 808:2021 | Depth 350mm × Width 140mm

Cross-Section (mm)
350140tw=8.1tf=14.2
Weight Calculator
52.4 kg/m × 6m × 1 =
314.4kg
0.314tonnes
Section Properties
Depth (D)350 mm
Width (B)140 mm
Web Thickness (tw)8.1 mm
Flange Thickness (tf)14.2 mm
Weight per Metre52.4 kg/m
Cross-sectional Area66.71 cm²
Moment of Inertia (Ixx)13630.3 cm⁴
Moment of Inertia (Iyy)435.5 cm⁴
Section Modulus (Zxx)778.9 cm³
Section Modulus (Zyy)62.2 cm³
Radius of Gyration (rxx)14.29 cm
Radius of Gyration (ryy)2.55 cm
Related Sections
ISMB 300
300mm × 140mm · 44.2 kg/m
Ixx 8603.6 cm⁴ · Zxx 573.6 cm³
ISMB 400
400mm × 140mm · 61.6 kg/m
Ixx 20458.4 cm⁴ · Zxx 1022.9 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 ISMB 350 per metre?

ISMB 350 weighs 52.4 kg per metre as per IS 808. For a standard 6m length, the total weight would be 314.4 kg.

Q.What are the dimensions of ISMB 350?

ISMB 350 has a depth of 350mm, flange width of 140mm, web thickness of 8.1mm, and flange thickness of 14.2mm.

Q.What is the moment of inertia of ISMB 350?

The moment of inertia of ISMB 350 is Ixx = 13630.3 cm⁴ (major axis) and Iyy = 435.5 cm⁴ (minor axis).

Q.When should I use ISMB 350?

ISMB 350 (Medium Beam) is typically used for primary beams, lintels, and columns in building frames. It provides a section modulus of Zxx = 778.9 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISMB 350 weigh?

A 6m length of ISMB 350 weighs 314.4 kg (0.314 tonnes). Weight formula: 52.4 kg/m × 6m = 314.4 kg.

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