IPE 400 Steel Beam
IPE 400 Steel Beam: 400 mm deep and 180 mm wide, with a 8.6 mm web and 13.5 mm flanges, rolled to EN 10025 / EN 10365 in S235JR. It weighs 66.3 kg/m, so a 12 m length weighs about 796 kg.
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Applications & Usage
IPE beams are used as floor and roof beams, purlins, lintels and secondary members that bend about the strong axis. For columns or heavier point loads, an HEA or HEB of similar depth is stiffer about the weak axis. Standard lengths: 12m.
Technical Specifications
| Specification | Value |
|---|---|
| Dimensions | IPE 400 |
| Depth h | 400 mm (15.75 in) |
| Flange width b | 180 mm (7.09 in) |
| Web thickness tw | 8.6 mm |
| Flange thickness tf | 13.5 mm |
| Root radius r | 21 mm |
| Cross-sectional area A | 84.5 cm² |
| Weight per Meter | 66.3 kg/m (44.6 lb/ft) |
| Weight of a 12 m length | 795.6 kg |
| Material | Steel |
| Alloy/Grade | S235JR |
| Standard | EN 10025 / EN 10365 |
| Full Stock Length | 12 m |
Section properties
| Property | y-y | z-z |
|---|---|---|
| Second moment of area I (cm⁴) | 23130 | 1318 |
| Elastic section modulus Wel (cm³) | 1156 | 146.4 |
| Plastic section modulus Wpl (cm³) | 1307 | 229 |
| Radius of gyration i (cm) | 16.55 | 3.95 |
IPE range: nominal dimensions in mm, mass in kg/m and major-axis (y-y) properties.
| Designation | h | b | tw | tf | kg/m | A (cm²) | Iy (cm⁴) | Wel,y (cm³) |
|---|---|---|---|---|---|---|---|---|
| IPE 80 | 80 | 46 | 3.8 | 5.2 | 6 | 7.64 | 80.14 | 20.03 |
| IPE 100 | 100 | 55 | 4.1 | 5.7 | 8.1 | 10.3 | 171 | 34.2 |
| IPE 120 | 120 | 64 | 4.4 | 6.3 | 10.4 | 13.2 | 317.8 | 52.96 |
| IPE 140 | 140 | 73 | 4.7 | 6.9 | 12.9 | 16.4 | 541.2 | 77.32 |
| IPE 160 | 160 | 82 | 5 | 7.4 | 15.8 | 20.1 | 869.3 | 108.7 |
| IPE 180 | 180 | 91 | 5.3 | 8 | 18.8 | 23.9 | 1317 | 146.3 |
| IPE 200 | 200 | 100 | 5.6 | 8.5 | 22.4 | 28.5 | 1943 | 194.3 |
| IPE 220 | 220 | 110 | 5.9 | 9.2 | 26.2 | 33.4 | 2772 | 252 |
| IPE 240 | 240 | 120 | 6.2 | 9.8 | 30.7 | 39.1 | 3892 | 324.3 |
| IPE 270 | 270 | 135 | 6.6 | 10.2 | 36.1 | 45.9 | 5790 | 428.9 |
| IPE 300 | 300 | 150 | 7.1 | 10.7 | 42.2 | 53.8 | 8356 | 557.1 |
| IPE 330 | 330 | 160 | 7.5 | 11.5 | 49.1 | 62.6 | 11770 | 713.1 |
| IPE 360 | 360 | 170 | 8 | 12.7 | 57.1 | 72.7 | 16270 | 903.6 |
| IPE 400 | 400 | 180 | 8.6 | 13.5 | 66.3 | 84.5 | 23130 | 1156 |
| IPE 450 | 450 | 190 | 9.4 | 14.6 | 77.6 | 98.8 | 33740 | 1500 |
| IPE 500 | 500 | 200 | 10.2 | 16 | 90.7 | 116 | 48200 | 1928 |
| IPE 550 | 550 | 210 | 11.1 | 17.2 | 106 | 134 | 67120 | 2441 |
| IPE 600 | 600 | 220 | 12 | 19 | 122 | 156 | 92080 | 3069 |
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Technical guides
Steel beam and channel sizes and weights: HEA, HEB, IPE, IPN, UPN and UPE tables (EN 10365)
Steel beam sizes in mm for European I-beams (IPE, IPN), H-beams (HEA, HEB) and UPN/UPE channels to EN 10365: dimensions, weight in kg/m, area, Iy and Wel,y.
Read the guide →H-beam vs I-beam: differences, designations and when to use each
How H-beams (HEA, HEB) and I-beams (IPE, IPN) differ in shape, weight and strength, how European, UK and US designations compare, and which to choose for beams and columns.
Read the guide →Structural steel grades: S235JR, S275JR, S355JR, S355J2 and ASTM A36, A572 and A992 compared
Minimum yield and tensile strength, impact test temperatures and carbon equivalent of EN 10025-2 grades S235JR, S275JR, S355JR and S355J2, the old St37 and St52 names, and how ASTM A36, A572 Grade 50 and A992 compare.
Read the guide →