Indian Standard Medium Beam — IS 808:2021 | Depth 200mm × Width 100mm
ISMB 200 weighs 22.9 kg per metre as per IS 808. For a standard 6m length, the total weight would be 137.4 kg.
ISMB 200 has a depth of 200mm, flange width of 100mm, web thickness of 5.4mm, and flange thickness of 10mm.
The moment of inertia of ISMB 200 is Ixx = 1999 cm⁴ (major axis) and Iyy = 129.5 cm⁴ (minor axis).
ISMB 200 (Medium Beam) is typically used for primary beams, lintels, and columns in building frames. It provides a section modulus of Zxx = 199.9 cm³, suitable for beams with moderate bending requirements.
A 6m length of ISMB 200 weighs 137.4 kg (0.137 tonnes). Weight formula: 22.9 kg/m × 6m = 137.4 kg.