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ISLB 300

Light Beam33.8 kg/m

Indian Standard Light Beam — IS 808:2021 | Depth 300mm × Width 150mm

Cross-Section (mm)
300150tw=6.7tf=9.4
Weight Calculator
33.8 kg/m × 6m × 1 =
202.8kg
0.203tonnes
Section Properties
Depth (D)300 mm
Width (B)150 mm
Web Thickness (tw)6.7 mm
Flange Thickness (tf)9.4 mm
Weight per Metre33.8 kg/m
Cross-sectional Area43.08 cm²
Moment of Inertia (Ixx)8603.6 cm⁴
Moment of Inertia (Iyy)431.9 cm⁴
Section Modulus (Zxx)573.6 cm³
Section Modulus (Zyy)57.6 cm³
Radius of Gyration (rxx)14.14 cm
Radius of Gyration (ryy)3.17 cm
Related Sections
ISLB 275
275mm × 140mm · 30.3 kg/m
Ixx 6323 cm⁴ · Zxx 460 cm³
ISLB 325
325mm × 165mm · 38.8 kg/m
Ixx 11702.4 cm⁴ · Zxx 720.1 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 300 per metre?

ISLB 300 weighs 33.8 kg per metre as per IS 808. For a standard 6m length, the total weight would be 202.8 kg.

Q.What are the dimensions of ISLB 300?

ISLB 300 has a depth of 300mm, flange width of 150mm, web thickness of 6.7mm, and flange thickness of 9.4mm.

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

The moment of inertia of ISLB 300 is Ixx = 8603.6 cm⁴ (major axis) and Iyy = 431.9 cm⁴ (minor axis).

Q.When should I use ISLB 300?

ISLB 300 (Light Beam) is typically used for secondary beams, light-duty beams, and window/door lintels. It provides a section modulus of Zxx = 573.6 cm³, suitable for beams with moderate bending requirements.

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

A 6m length of ISLB 300 weighs 202.8 kg (0.203 tonnes). Weight formula: 33.8 kg/m × 6m = 202.8 kg.

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