400x150 RHS — Sizes, Dimensions & Properties

7 sizes in the 400x150 serial size group. All dimensions in mm, section properties in cm units.

DesignationMass (kg/m)D (mm)B (mm)t (mm)A (cm2)Ixx (cm4)Iyy (cm4)
400x150x5.042.2400150553.710,7002,320
400x150x6.352.84001506.367.313,3002,850
400x150x8.066.5400150884.816,5003,510
400x150x10.082.44001501010520,1004,230
400x150x12.510240015012.513024,4005,040
400x150x14.211540015014.214627,1005,550
400x150x16.01284001501616329,8006,040

400x150x5.0 RHS

Designation
400x150x5.0
Outside Depth (D)
400 mm
Outside Width (B)
150 mm
Wall Thickness (t)
5 mm
Mass per Metre
42.2 kg/m
Cross-Sectional Area
53.7 cm2
Second Moment of Area Ixx
10,700 cm4
Second Moment of Area Iyy
2,320 cm4
Elastic Modulus Zxx
534 cm3
Elastic Modulus Zyy
309 cm3
Plastic Modulus Sxx
671 cm3
Plastic Modulus Syy
337 cm3
Radius of Gyration rxx
14.1 cm
Radius of Gyration ryy
6.57 cm
Torsional Constant (It)
6,130 cm4
Surface Area per Metre
1.09 m2/m
Surface Area per Tonne
25.8 m2/t

400x150x6.3 RHS

Designation
400x150x6.3
Outside Depth (D)
400 mm
Outside Width (B)
150 mm
Wall Thickness (t)
6.3 mm
Mass per Metre
52.8 kg/m
Cross-Sectional Area
67.3 cm2
Second Moment of Area Ixx
13,300 cm4
Second Moment of Area Iyy
2,850 cm4
Elastic Modulus Zxx
663 cm3
Elastic Modulus Zyy
380 cm3
Plastic Modulus Sxx
836 cm3
Plastic Modulus Syy
418 cm3
Radius of Gyration rxx
14 cm
Radius of Gyration ryy
6.51 cm
Torsional Constant (It)
7,600 cm4
Surface Area per Metre
1.08 m2/m
Surface Area per Tonne
20.5 m2/t

400x150x8.0 RHS

Designation
400x150x8.0
Outside Depth (D)
400 mm
Outside Width (B)
150 mm
Wall Thickness (t)
8 mm
Mass per Metre
66.5 kg/m
Cross-Sectional Area
84.8 cm2
Second Moment of Area Ixx
16,500 cm4
Second Moment of Area Iyy
3,510 cm4
Elastic Modulus Zxx
824 cm3
Elastic Modulus Zyy
468 cm3
Plastic Modulus Sxx
1,050 cm3
Plastic Modulus Syy
521 cm3
Radius of Gyration rxx
13.9 cm
Radius of Gyration ryy
6.43 cm
Torsional Constant (It)
9,420 cm4
Surface Area per Metre
1.08 m2/m
Surface Area per Tonne
16.2 m2/t

400x150x10.0 RHS

Designation
400x150x10.0
Outside Depth (D)
400 mm
Outside Width (B)
150 mm
Wall Thickness (t)
10 mm
Mass per Metre
82.4 kg/m
Cross-Sectional Area
105 cm2
Second Moment of Area Ixx
20,100 cm4
Second Moment of Area Iyy
4,230 cm4
Elastic Modulus Zxx
1,010 cm3
Elastic Modulus Zyy
564 cm3
Plastic Modulus Sxx
1,290 cm3
Plastic Modulus Syy
636 cm3
Radius of Gyration rxx
13.8 cm
Radius of Gyration ryy
6.35 cm
Torsional Constant (It)
11,500 cm4
Surface Area per Metre
1.07 m2/m
Surface Area per Tonne
13 m2/t

400x150x12.5 RHS

Designation
400x150x12.5
Outside Depth (D)
400 mm
Outside Width (B)
150 mm
Wall Thickness (t)
12.5 mm
Mass per Metre
102 kg/m
Cross-Sectional Area
130 cm2
Second Moment of Area Ixx
24,400 cm4
Second Moment of Area Iyy
5,040 cm4
Elastic Modulus Zxx
1,220 cm3
Elastic Modulus Zyy
672 cm3
Plastic Modulus Sxx
1,570 cm3
Plastic Modulus Syy
772 cm3
Radius of Gyration rxx
13.7 cm
Radius of Gyration ryy
6.24 cm
Torsional Constant (It)
13,800 cm4
Surface Area per Metre
1.07 m2/m
Surface Area per Tonne
10.5 m2/t

400x150x14.2 RHS

Designation
400x150x14.2
Outside Depth (D)
400 mm
Outside Width (B)
150 mm
Wall Thickness (t)
14.2 mm
Mass per Metre
115 kg/m
Cross-Sectional Area
146 cm2
Second Moment of Area Ixx
27,100 cm4
Second Moment of Area Iyy
5,550 cm4
Elastic Modulus Zxx
1,360 cm3
Elastic Modulus Zyy
740 cm3
Plastic Modulus Sxx
1,760 cm3
Plastic Modulus Syy
859 cm3
Radius of Gyration rxx
13.6 cm
Radius of Gyration ryy
6.16 cm
Torsional Constant (It)
15,300 cm4
Surface Area per Metre
1.06 m2/m
Surface Area per Tonne
9.2 m2/t

400x150x16.0 RHS

Designation
400x150x16.0
Outside Depth (D)
400 mm
Outside Width (B)
150 mm
Wall Thickness (t)
16 mm
Mass per Metre
128 kg/m
Cross-Sectional Area
163 cm2
Second Moment of Area Ixx
29,800 cm4
Second Moment of Area Iyy
6,040 cm4
Elastic Modulus Zxx
1,490 cm3
Elastic Modulus Zyy
805 cm3
Plastic Modulus Sxx
1,950 cm3
Plastic Modulus Syy
947 cm3
Radius of Gyration rxx
13.5 cm
Radius of Gyration ryy
6.09 cm
Torsional Constant (It)
16,800 cm4
Surface Area per Metre
1.06 m2/m
Surface Area per Tonne
8.3 m2/t

400x150 RHS — Overview

The 400x150 serial size group contains 7 sections, ranging from 128 kg/m to 42.2 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.

Need Components for This Section?

Structural Steel Components supplies stiffener plates, end plates, base plates, cleats, and fixings matched to standard UK sections.

Powered by SteelSpec

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

Shopping Basket