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ISLB 275

Light Beam30.3 kg/m

Indian Standard Light Beam — IS 808:2021 | Depth 275mm × Width 140mm

Cross-Section (mm)
275140tw=6.4tf=9.4
Weight Calculator
30.3 kg/m × 6m × 1 =
181.8kg
0.182tonnes
Section Properties
Depth (D)275 mm
Width (B)140 mm
Web Thickness (tw)6.4 mm
Flange Thickness (tf)9.4 mm
Weight per Metre30.3 kg/m
Cross-sectional Area38.64 cm²
Moment of Inertia (Ixx)6323 cm⁴
Moment of Inertia (Iyy)339.6 cm⁴
Section Modulus (Zxx)460 cm³
Section Modulus (Zyy)48.5 cm³
Radius of Gyration (rxx)12.8 cm
Radius of Gyration (ryy)2.96 cm
Related Sections
ISLB 250
250mm × 125mm · 25.8 kg/m
Ixx 4323.7 cm⁴ · Zxx 345.9 cm³
ISLB 300
300mm × 150mm · 33.8 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 ISLB 275 per metre?

ISLB 275 weighs 30.3 kg per metre as per IS 808. For a standard 6m length, the total weight would be 181.8 kg.

Q.What are the dimensions of ISLB 275?

ISLB 275 has a depth of 275mm, flange width of 140mm, web thickness of 6.4mm, and flange thickness of 9.4mm.

Q.What is the moment of inertia of ISLB 275?

The moment of inertia of ISLB 275 is Ixx = 6323 cm⁴ (major axis) and Iyy = 339.6 cm⁴ (minor axis).

Q.When should I use ISLB 275?

ISLB 275 (Light Beam) is typically used for secondary beams, light-duty beams, and window/door lintels. It provides a section modulus of Zxx = 460 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISLB 275 weigh?

A 6m length of ISLB 275 weighs 181.8 kg (0.182 tonnes). Weight formula: 30.3 kg/m × 6m = 181.8 kg.

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