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ISMB 100

Medium Beam11.5 kg/m

Indian Standard Medium Beam — IS 808:2021 | Depth 100mm × Width 75mm

Cross-Section (mm)
10075tw=4tf=7
Weight Calculator
11.5 kg/m × 6m × 1 =
69.0kg
0.069tonnes
Section Properties
Depth (D)100 mm
Width (B)75 mm
Web Thickness (tw)4 mm
Flange Thickness (tf)7 mm
Weight per Metre11.5 kg/m
Cross-sectional Area14.6 cm²
Moment of Inertia (Ixx)257.5 cm⁴
Moment of Inertia (Iyy)35.6 cm⁴
Section Modulus (Zxx)51.5 cm³
Section Modulus (Zyy)9.5 cm³
Radius of Gyration (rxx)4.2 cm
Radius of Gyration (ryy)1.56 cm
Related Sections
ISMB 125
125mm × 75mm · 13 kg/m
Ixx 445 cm⁴ · Zxx 71.2 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 ISMB 100 per metre?

ISMB 100 weighs 11.5 kg per metre as per IS 808. For a standard 6m length, the total weight would be 69.0 kg.

Q.What are the dimensions of ISMB 100?

ISMB 100 has a depth of 100mm, flange width of 75mm, web thickness of 4mm, and flange thickness of 7mm.

Q.What is the moment of inertia of ISMB 100?

The moment of inertia of ISMB 100 is Ixx = 257.5 cm⁴ (major axis) and Iyy = 35.6 cm⁴ (minor axis).

Q.When should I use ISMB 100?

ISMB 100 (Medium Beam) is typically used for primary beams, lintels, and columns in building frames. It provides a section modulus of Zxx = 51.5 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISMB 100 weigh?

A 6m length of ISMB 100 weighs 69.0 kg (0.069 tonnes). Weight formula: 11.5 kg/m × 6m = 69.0 kg.

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