Indian Standard Medium Beam — IS 808:2021 | Depth 150mm × Width 80mm
ISMB 150 weighs 15.6 kg per metre as per IS 808. For a standard 6m length, the total weight would be 93.6 kg.
ISMB 150 has a depth of 150mm, flange width of 80mm, web thickness of 4.8mm, and flange thickness of 8.4mm.
The moment of inertia of ISMB 150 is Ixx = 767.1 cm⁴ (major axis) and Iyy = 54.1 cm⁴ (minor axis).
ISMB 150 (Medium Beam) is typically used for primary beams, lintels, and columns in building frames. It provides a section modulus of Zxx = 102.3 cm³, suitable for beams with moderate bending requirements.
A 6m length of ISMB 150 weighs 93.6 kg (0.094 tonnes). Weight formula: 15.6 kg/m × 6m = 93.6 kg.