STEEL UNIVERSAL BEAM SIZES AND DIMENSIONS

Universal beam sizes, dimensions and section properties calculator per BS 4-1:2005 "Structural steel sections. Specification for hot-rolled sections". BS 4-1 standard specifies the dimensions and mass of the hot-rolled structural steel sections: universal beams; universal columns; universal bearing piles; joists; structural tees cut from universal beams; structural tees cut from universal columns; and parallel flange channels. Dimensional, mass, length and straightness tolerances for universal beams are given in BS EN 10034.

INPUT PARAMETERS
Nominal Dimensions	Mass per Meter
914x419 914x305 838x292 762x267 686x254 610x305 610x229 533x210 457x191 457x152 406x178 406x140 356x171 356x127 305x165 305x127 305x102 254x146 254x102 203x133 203x102 178x102 152x89 127x76

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OUTPUT PARAMETERS
Parameter	Value
Section Designation	---	---
Mass per meter [M]	---	kg/m
Depth of section [h]	---	mm
Width of section [b]	---
Web thickness [tw]	---
Flange thickness [tf]	---
Root radius [r]	---
Depth between fillets [d]	---
Area of section [A]	---	cm2
Second moment of area about X axis [Ix]	---	cm4
Second moment of area about Y axis [Iy]	---
Radius of gyration about X axis [rx]	---	cm
Radius of gyration about Y axis [ry]	---
Elastic section modulus about X axis [Sx]	---	cm3
Elastic section modulus about Y axis [Sy]	---
Plastic section modulus about X axis [ Zx]	---
Plastic section modulus about Y axis [Zy]	---
Buckling parameter [u]	---	---
Torsional index [x]	---	---
Warping constant [H]	---	dm6
Torsional constant [J]	---	cm4

Note: Use dot "." as decimal separator.

Supplements:

• Universal beam sizes dimensions table

Reference:

• BS 4-1:2005 - Structural steel sections. Specification for hot-rolled sections
• SCI (Steel Construction Institute), Steel Designers' Manual, 7th Edition, John Wiley & Sons, 2012.