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ISJB 225

Junior Beam12.8 kg/m

Indian Standard Junior Beam — IS 808:2021 | Depth 225mm × Width 80mm

Cross-Section (mm)
22580tw=3.7tf=5
Weight Calculator
12.8 kg/m × 6m × 1 =
76.8kg
0.077tonnes
Section Properties
Depth (D)225 mm
Width (B)80 mm
Web Thickness (tw)3.7 mm
Flange Thickness (tf)5 mm
Weight per Metre12.8 kg/m
Cross-sectional Area16.28 cm²
Moment of Inertia (Ixx)1254.5 cm⁴
Moment of Inertia (Iyy)41.3 cm⁴
Section Modulus (Zxx)111.5 cm³
Section Modulus (Zyy)10.3 cm³
Radius of Gyration (rxx)8.78 cm
Radius of Gyration (ryy)1.59 cm
Related Sections
ISJB 200
200mm × 60mm · 9.9 kg/m
Ixx 798.8 cm⁴ · Zxx 79.9 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 ISJB 225 per metre?

ISJB 225 weighs 12.8 kg per metre as per IS 808. For a standard 6m length, the total weight would be 76.8 kg.

Q.What are the dimensions of ISJB 225?

ISJB 225 has a depth of 225mm, flange width of 80mm, web thickness of 3.7mm, and flange thickness of 5mm.

Q.What is the moment of inertia of ISJB 225?

The moment of inertia of ISJB 225 is Ixx = 1254.5 cm⁴ (major axis) and Iyy = 41.3 cm⁴ (minor axis).

Q.When should I use ISJB 225?

ISJB 225 (Junior Beam) is typically used for light loads, lintels, and small span beams. It provides a section modulus of Zxx = 111.5 cm³, suitable for beams with moderate bending requirements.

Q.How much does a 6 metre ISJB 225 weigh?

A 6m length of ISJB 225 weighs 76.8 kg (0.077 tonnes). Weight formula: 12.8 kg/m × 6m = 76.8 kg.

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