244.5 CHS — Sizes, Dimensions & Properties

8 sizes in the 244.5 serial size group. All dimensions in mm, section properties in cm units.

DesignationMass (kg/m)D (mm)t (mm)A (cm2)I (cm4)Z (cm3)S (cm3)r (cm)
244.5x5.029.5244.5537.62,7002212878.47
244.5x6.035.3244.56453,2002623418.43
244.5x8.046.7244.5859.44,1603404488.37
244.5x10.057.8244.51073.75,0704155508.3
244.5x12.068.8244.51287.75,9404866498.23
244.5x12.571.5244.512.591.16,1505036738.21
244.5x14.280.6244.514.21036,8405597548.16
244.5x16.090.2244.5161157,5306168378.1

244.5x5.0 CHS

Designation
244.5x5.0
Outside Diameter (D)
244.5 mm
Wall Thickness (t)
5 mm
Mass per Metre
29.5 kg/m
Cross-Sectional Area
37.6 cm2
Second Moment of Area I
2,700 cm4
Elastic Modulus Z
221 cm3
Plastic Modulus S
287 cm3
Radius of Gyration r
8.47 cm
Torsional Constant (It)
5,400 cm4
Surface Area per Metre
0.768 m2/m
Surface Area per Tonne
26 m2/t

244.5x6.0 CHS

Designation
244.5x6.0
Outside Diameter (D)
244.5 mm
Wall Thickness (t)
6 mm
Mass per Metre
35.3 kg/m
Cross-Sectional Area
45 cm2
Second Moment of Area I
3,200 cm4
Elastic Modulus Z
262 cm3
Plastic Modulus S
341 cm3
Radius of Gyration r
8.43 cm
Torsional Constant (It)
6,400 cm4
Surface Area per Metre
0.768 m2/m
Surface Area per Tonne
21.8 m2/t

244.5x8.0 CHS

Designation
244.5x8.0
Outside Diameter (D)
244.5 mm
Wall Thickness (t)
8 mm
Mass per Metre
46.7 kg/m
Cross-Sectional Area
59.4 cm2
Second Moment of Area I
4,160 cm4
Elastic Modulus Z
340 cm3
Plastic Modulus S
448 cm3
Radius of Gyration r
8.37 cm
Torsional Constant (It)
8,320 cm4
Surface Area per Metre
0.768 m2/m
Surface Area per Tonne
16.5 m2/t

244.5x10.0 CHS

Designation
244.5x10.0
Outside Diameter (D)
244.5 mm
Wall Thickness (t)
10 mm
Mass per Metre
57.8 kg/m
Cross-Sectional Area
73.7 cm2
Second Moment of Area I
5,070 cm4
Elastic Modulus Z
415 cm3
Plastic Modulus S
550 cm3
Radius of Gyration r
8.3 cm
Torsional Constant (It)
10,100 cm4
Surface Area per Metre
0.768 m2/m
Surface Area per Tonne
13.3 m2/t

244.5x12.0 CHS

Designation
244.5x12.0
Outside Diameter (D)
244.5 mm
Wall Thickness (t)
12 mm
Mass per Metre
68.8 kg/m
Cross-Sectional Area
87.7 cm2
Second Moment of Area I
5,940 cm4
Elastic Modulus Z
486 cm3
Plastic Modulus S
649 cm3
Radius of Gyration r
8.23 cm
Torsional Constant (It)
11,900 cm4
Surface Area per Metre
0.768 m2/m
Surface Area per Tonne
11.2 m2/t

244.5x12.5 CHS

Designation
244.5x12.5
Outside Diameter (D)
244.5 mm
Wall Thickness (t)
12.5 mm
Mass per Metre
71.5 kg/m
Cross-Sectional Area
91.1 cm2
Second Moment of Area I
6,150 cm4
Elastic Modulus Z
503 cm3
Plastic Modulus S
673 cm3
Radius of Gyration r
8.21 cm
Torsional Constant (It)
12,300 cm4
Surface Area per Metre
0.768 m2/m
Surface Area per Tonne
10.7 m2/t

244.5x14.2 CHS

Designation
244.5x14.2
Outside Diameter (D)
244.5 mm
Wall Thickness (t)
14.2 mm
Mass per Metre
80.6 kg/m
Cross-Sectional Area
103 cm2
Second Moment of Area I
6,840 cm4
Elastic Modulus Z
559 cm3
Plastic Modulus S
754 cm3
Radius of Gyration r
8.16 cm
Torsional Constant (It)
13,700 cm4
Surface Area per Metre
0.768 m2/m
Surface Area per Tonne
9.52 m2/t

244.5x16.0 CHS

Designation
244.5x16.0
Outside Diameter (D)
244.5 mm
Wall Thickness (t)
16 mm
Mass per Metre
90.2 kg/m
Cross-Sectional Area
115 cm2
Second Moment of Area I
7,530 cm4
Elastic Modulus Z
616 cm3
Plastic Modulus S
837 cm3
Radius of Gyration r
8.1 cm
Torsional Constant (It)
15,100 cm4
Surface Area per Metre
0.768 m2/m
Surface Area per Tonne
8.52 m2/t

244.5 CHS — Overview

The 244.5 serial size group contains 8 sections, ranging from 90.2 kg/m to 29.5 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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