Indian (IS 808)I-beam

ISMB 300

Indian Standard Medium-weight Beam, 300 mm depth

SymbolPropertyValueUnit
hDepth300mm
bFlange width140mm
tfFlange thickness12.4mm
twWeb thickness7.5mm
ACross-section area56.3cm²
wMass per metre44.2kg/m
IxIx8603.6cm⁴
SxSx573.6cm³
rxrx12.37cm
IyIy453.9cm⁴
SySy64.8cm³
ryry2.84cm

Design with ISMB 300

Use the Section Design module to run flexure, shear, deflection, and code-compliance checks per IS 800.

Open Steel Section Design

Source: Indian (IS 808). Values are reference-grade — section properties don't change. For built-up or irregular sections, use the design modules to compute on custom geometry.