254x343 TEE-UB — Sizes, Dimensions & Properties

4 sizes in the 254x343 serial size group. All dimensions in mm, section properties in cm units.

DesignationMass (kg/m)Cut Fromh (mm)b (mm)A (cm2)Ixx (cm4)Iyy (cm4)
254x343x8585.1686x254x170 UB346.4255.810812,1003,320
254x343x7676.2686x254x152 UB343.7254.59710,8002,890
254x343x7070686x254x140 UB341.7253.789.29,9102,590
254x343x6362.6686x254x125 UB338.925379.78,9802,190

254x343x85 TEE-UB

Designation
254x343x85
Cut From
686x254x170 UB
Mass per Metre
85.1 kg/m
Depth of Section (h)
346.4 mm
Width of Section (b)
255.8 mm
Web Thickness (tw)
14.5 mm
Flange Thickness (tf)
23.7 mm
Root Radius (r)
15.2 mm
Cross-Sectional Area
108 cm2
Second Moment of Area Ixx
12,100 cm4
Second Moment of Area Iyy
3,320 cm4
Elastic Modulus Zxx (Flange)
1,390 cm3
Elastic Modulus Zxx (Toe)
464 cm3
Elastic Modulus Zyy
259 cm3
Plastic Modulus Sxx
826 cm3
Plastic Modulus Syy
406 cm3
Radius of Gyration rxx
10.5 cm
Radius of Gyration ryy
5.53 cm
Centroid Distance cy
8.67 cm

254x343x76 TEE-UB

Designation
254x343x76
Cut From
686x254x152 UB
Mass per Metre
76.2 kg/m
Depth of Section (h)
343.7 mm
Width of Section (b)
254.5 mm
Web Thickness (tw)
13.2 mm
Flange Thickness (tf)
21 mm
Root Radius (r)
15.2 mm
Cross-Sectional Area
97 cm2
Second Moment of Area Ixx
10,800 cm4
Second Moment of Area Iyy
2,890 cm4
Elastic Modulus Zxx (Flange)
1,250 cm3
Elastic Modulus Zxx (Toe)
417 cm3
Elastic Modulus Zyy
227 cm3
Plastic Modulus Sxx
743 cm3
Plastic Modulus Syy
355 cm3
Radius of Gyration rxx
10.5 cm
Radius of Gyration ryy
5.46 cm
Centroid Distance cy
8.61 cm

254x343x70 TEE-UB

Designation
254x343x70
Cut From
686x254x140 UB
Mass per Metre
70 kg/m
Depth of Section (h)
341.7 mm
Width of Section (b)
253.7 mm
Web Thickness (tw)
12.4 mm
Flange Thickness (tf)
19 mm
Root Radius (r)
15.2 mm
Cross-Sectional Area
89.2 cm2
Second Moment of Area Ixx
9,910 cm4
Second Moment of Area Iyy
2,590 cm4
Elastic Modulus Zxx (Flange)
1,150 cm3
Elastic Modulus Zxx (Toe)
388 cm3
Elastic Modulus Zyy
204 cm3
Plastic Modulus Sxx
691 cm3
Plastic Modulus Syy
319 cm3
Radius of Gyration rxx
10.5 cm
Radius of Gyration ryy
5.39 cm
Centroid Distance cy
8.63 cm

254x343x63 TEE-UB

Designation
254x343x63
Cut From
686x254x125 UB
Mass per Metre
62.6 kg/m
Depth of Section (h)
338.9 mm
Width of Section (b)
253 mm
Web Thickness (tw)
11.7 mm
Flange Thickness (tf)
16.2 mm
Root Radius (r)
15.2 mm
Cross-Sectional Area
79.7 cm2
Second Moment of Area Ixx
8,980 cm4
Second Moment of Area Iyy
2,190 cm4
Elastic Modulus Zxx (Flange)
1,010 cm3
Elastic Modulus Zxx (Toe)
358 cm3
Elastic Modulus Zyy
173 cm3
Plastic Modulus Sxx
643 cm3
Plastic Modulus Syy
271 cm3
Radius of Gyration rxx
10.6 cm
Radius of Gyration ryy
5.24 cm
Centroid Distance cy
8.85 cm

254x343 TEE-UB — Overview

The 254x343 serial size group contains 4 sections, ranging from 62.6 kg/m to 85.1 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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