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ISMB 300

Medium Beam44.2 kg/m

Indian Standard Medium Beam — IS 808:2021 | Depth 300mm × Width 140mm

Cross-Section (mm)
300140tw=6.7tf=13.1
Weight Calculator
44.2 kg/m × 6m × 1 =
265.2kg
0.265tonnes
Section Properties
Depth (D)300 mm
Width (B)140 mm
Web Thickness (tw)6.7 mm
Flange Thickness (tf)13.1 mm
Weight per Metre44.2 kg/m
Cross-sectional Area56.26 cm²
Moment of Inertia (Ixx)8603.6 cm⁴
Moment of Inertia (Iyy)453.9 cm⁴
Section Modulus (Zxx)573.6 cm³
Section Modulus (Zyy)64.8 cm³
Radius of Gyration (rxx)12.37 cm
Radius of Gyration (ryy)2.84 cm
Related Sections
ISMB 250
250mm × 125mm · 37.3 kg/m
Ixx 5131.6 cm⁴ · Zxx 410.5 cm³
ISMB 350
350mm × 140mm · 52.4 kg/m
Ixx 13630.3 cm⁴ · Zxx 778.9 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 300 per metre?

ISMB 300 weighs 44.2 kg per metre as per IS 808. For a standard 6m length, the total weight would be 265.2 kg.

Q.What are the dimensions of ISMB 300?

ISMB 300 has a depth of 300mm, flange width of 140mm, web thickness of 6.7mm, and flange thickness of 13.1mm.

Q.What is the moment of inertia of ISMB 300?

The moment of inertia of ISMB 300 is Ixx = 8603.6 cm⁴ (major axis) and Iyy = 453.9 cm⁴ (minor axis).

Q.When should I use ISMB 300?

ISMB 300 (Medium Beam) is typically used for primary beams, lintels, and columns in building frames. It provides a section modulus of Zxx = 573.6 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISMB 300 weigh?

A 6m length of ISMB 300 weighs 265.2 kg (0.265 tonnes). Weight formula: 44.2 kg/m × 6m = 265.2 kg.

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