Indian Standard Junior Beam — IS 808:2021 | Depth 150mm × Width 50mm
ISJB 150 weighs 7.1 kg per metre as per IS 808. For a standard 6m length, the total weight would be 42.6 kg.
ISJB 150 has a depth of 150mm, flange width of 50mm, web thickness of 3mm, and flange thickness of 4.6mm.
The moment of inertia of ISJB 150 is Ixx = 325.8 cm⁴ (major axis) and Iyy = 8.4 cm⁴ (minor axis).
ISJB 150 (Junior Beam) is typically used for light loads, lintels, and small span beams. It provides a section modulus of Zxx = 43.4 cm³, suitable for beams with moderate bending requirements.
A 6m length of ISJB 150 weighs 42.6 kg (0.043 tonnes). Weight formula: 7.1 kg/m × 6m = 42.6 kg.