75x50 UA — Sizes, Dimensions & Properties

2 sizes in the 75x50 serial size group. All dimensions in mm, section properties in cm units.

DesignationMass (kg/m)A (mm)B (mm)t (mm)A (cm2)Ixx (cm4)Iyy (cm4)
75x50x87.39755089.415218.4
75x50x65.65755067.1940.514.4

75x50x8 UA

Designation
75x50x8
Mass per Metre
7.39 kg/m
Leg Length A
75 mm
Leg Length B
50 mm
Thickness (t)
8 mm
Root Radius (r)
7 mm
Toe Radius (r2)
3.5 mm
Cross-Sectional Area
9.41 cm2
Centroid Distance cx
2.52 cm
Centroid Distance cy
1.29 cm
Second Moment of Area Ixx
52 cm4
Second Moment of Area Iyy
18.4 cm4
Radius of Gyration rxx
2.35 cm
Radius of Gyration ryy
1.4 cm
Elastic Modulus Zxx
10.4 cm3
Elastic Modulus Zyy
4.9 cm3
Second Moment of Area Iu
59.6 cm4
Second Moment of Area Iv
10.8 cm4
Radius of Gyration ru
2.52 cm
Radius of Gyration rv
1.07 cm
tan(alpha)
0.43

75x50x6 UA

Designation
75x50x6
Mass per Metre
5.65 kg/m
Leg Length A
75 mm
Leg Length B
50 mm
Thickness (t)
6 mm
Root Radius (r)
7 mm
Toe Radius (r2)
3.5 mm
Cross-Sectional Area
7.19 cm2
Centroid Distance cx
2.44 cm
Centroid Distance cy
1.21 cm
Second Moment of Area Ixx
40.5 cm4
Second Moment of Area Iyy
14.4 cm4
Radius of Gyration rxx
2.37 cm
Radius of Gyration ryy
1.42 cm
Elastic Modulus Zxx
8 cm3
Elastic Modulus Zyy
3.8 cm3
Second Moment of Area Iu
46.6 cm4
Second Moment of Area Iv
8.36 cm4
Radius of Gyration ru
2.55 cm
Radius of Gyration rv
1.08 cm
tan(alpha)
0.435

75x50 UA — Overview

The 75x50 serial size group contains 2 sections, ranging from 5.65 kg/m to 7.39 kg/m. All sections in this group share the same nominal depth and width but differ in web and flange thickness, which affects the weight and structural capacity.

Section properties are sourced from the Tata Steel Blue Book / SCI P363. For structural design to BS EN 1993-1-1 (Eurocode 3), use these properties with the appropriate partial factors from the UK National Annex.

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Section properties from Tata Steel Blue Book / SCI P363 / BS 4-1:2005.

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