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ISMB 250

Medium Beam37.3 kg/m

Indian Standard Medium Beam — IS 808:2021 | Depth 250mm × Width 125mm

Cross-Section (mm)
250125tw=6.1tf=12.5
Weight Calculator
37.3 kg/m × 6m × 1 =
223.8kg
0.224tonnes
Section Properties
Depth (D)250 mm
Width (B)125 mm
Web Thickness (tw)6.1 mm
Flange Thickness (tf)12.5 mm
Weight per Metre37.3 kg/m
Cross-sectional Area47.55 cm²
Moment of Inertia (Ixx)5131.6 cm⁴
Moment of Inertia (Iyy)334.5 cm⁴
Section Modulus (Zxx)410.5 cm³
Section Modulus (Zyy)53.5 cm³
Radius of Gyration (rxx)10.39 cm
Radius of Gyration (ryy)2.65 cm
Related Sections
ISMB 225
225mm × 110mm · 27.2 kg/m
Ixx 2950 cm⁴ · Zxx 262.2 cm³
ISMB 300
300mm × 140mm · 44.2 kg/m
Ixx 8603.6 cm⁴ · Zxx 573.6 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 250 per metre?

ISMB 250 weighs 37.3 kg per metre as per IS 808. For a standard 6m length, the total weight would be 223.8 kg.

Q.What are the dimensions of ISMB 250?

ISMB 250 has a depth of 250mm, flange width of 125mm, web thickness of 6.1mm, and flange thickness of 12.5mm.

Q.What is the moment of inertia of ISMB 250?

The moment of inertia of ISMB 250 is Ixx = 5131.6 cm⁴ (major axis) and Iyy = 334.5 cm⁴ (minor axis).

Q.When should I use ISMB 250?

ISMB 250 (Medium Beam) is typically used for primary beams, lintels, and columns in building frames. It provides a section modulus of Zxx = 410.5 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISMB 250 weigh?

A 6m length of ISMB 250 weighs 223.8 kg (0.224 tonnes). Weight formula: 37.3 kg/m × 6m = 223.8 kg.

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