533x165 UB — Sizes, Dimensions & Properties

3 sizes in the 533x165 serial size group. All dimensions in mm, section properties in cm units.

DesignationMass (kg/m)h (mm)b (mm)tw (mm)tf (mm)A (cm2)Ixx (cm4)Iyy (cm4)Zxx (cm3)Sxx (cm3)rxx (cm)ryy (cm)
533x165x8584.8534.9166.510.316.510848,5001,2701,8202,10021.23.44
533x165x7574.7529.1165.99.713.695.241,1001,0401,5501,81020.83.3
533x165x6665.7524.7165.18.911.483.735,0008591,3401,56020.53.2

533x165x85 UB

Designation
533x165x85
Serial Size
533x165
Mass per Metre
84.8 kg/m
Depth of Section (h)
534.9 mm
Width of Section (b)
166.5 mm
Web Thickness (tw)
10.3 mm
Flange Thickness (tf)
16.5 mm
Root Radius (r)
12.7 mm
Depth Between Fillets (d)
476.5 mm
Local Buckling Ratio d/tw
46.3
Local Buckling Ratio cf/tf
5.05
Second Moment of Area Ixx
48,500 cm4
Second Moment of Area Iyy
1,270 cm4
Elastic Modulus Zxx
1,820 cm3
Elastic Modulus Zyy
153 cm3
Plastic Modulus Sxx
2,100 cm3
Plastic Modulus Syy
243 cm3
Radius of Gyration rxx
21.2 cm
Radius of Gyration ryy
3.44 cm
Cross-Sectional Area
108 cm2
Buckling Parameter (u)
0.862
Torsional Index (x)
35.5
Warping Constant (Iw)
0.857 dm6
Torsional Constant (It)
73.8 cm4
Surface Area per Metre
1.69 m2/m
Surface Area per Tonne
19.9 m2/t

533x165x75 UB

Designation
533x165x75
Serial Size
533x165
Mass per Metre
74.7 kg/m
Depth of Section (h)
529.1 mm
Width of Section (b)
165.9 mm
Web Thickness (tw)
9.7 mm
Flange Thickness (tf)
13.6 mm
Root Radius (r)
12.7 mm
Depth Between Fillets (d)
476.5 mm
Local Buckling Ratio d/tw
49.1
Local Buckling Ratio cf/tf
6.1
Second Moment of Area Ixx
41,100 cm4
Second Moment of Area Iyy
1,040 cm4
Elastic Modulus Zxx
1,550 cm3
Elastic Modulus Zyy
125 cm3
Plastic Modulus Sxx
1,810 cm3
Plastic Modulus Syy
200 cm3
Radius of Gyration rxx
20.8 cm
Radius of Gyration ryy
3.3 cm
Cross-Sectional Area
95.2 cm2
Buckling Parameter (u)
0.853
Torsional Index (x)
41.1
Warping Constant (Iw)
0.691 dm6
Torsional Constant (It)
47.9 cm4
Surface Area per Metre
1.68 m2/m
Surface Area per Tonne
22.5 m2/t

533x165x66 UB

Designation
533x165x66
Serial Size
533x165
Mass per Metre
65.7 kg/m
Depth of Section (h)
524.7 mm
Width of Section (b)
165.1 mm
Web Thickness (tw)
8.9 mm
Flange Thickness (tf)
11.4 mm
Root Radius (r)
12.7 mm
Depth Between Fillets (d)
476.5 mm
Local Buckling Ratio d/tw
53.5
Local Buckling Ratio cf/tf
7.24
Second Moment of Area Ixx
35,000 cm4
Second Moment of Area Iyy
859 cm4
Elastic Modulus Zxx
1,340 cm3
Elastic Modulus Zyy
104 cm3
Plastic Modulus Sxx
1,560 cm3
Plastic Modulus Syy
166 cm3
Radius of Gyration rxx
20.5 cm
Radius of Gyration ryy
3.2 cm
Cross-Sectional Area
83.7 cm2
Buckling Parameter (u)
0.847
Torsional Index (x)
47
Warping Constant (Iw)
0.566 dm6
Torsional Constant (It)
32 cm4
Surface Area per Metre
1.67 m2/m
Surface Area per Tonne
25.4 m2/t

533x165 UB — Overview

The 533x165 serial size group contains 3 sections, ranging from 65.7 kg/m to 84.8 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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