Hot rolled unequal-leg angle sections
Product Description
Unequal steel angles are L-shaped steel sections with legs of different lengths. This geometry is suitable for connections, reinforcements, frames and supports where an asymmetrical section is required or one leg must provide a larger bearing surface.
Verified Technical Characteristics
| Characteristic | Specification |
|---|---|
| Designation | Unequal steel angles / Unequal-leg angles |
| International designation | Unequal angles |
| Cross-section | L-shaped section with unequal legs |
| Standard stated | UNE-EN 10056-1:1999 |
| Grades in the technical sheet | S275JR / S355J2+N |
| Listed range | L 30 × 20 × 3 to L 200 × 150 × 15 |
| Data included | Weight, area, dimensions, centres of gravity and geometric properties |
Typical Applications
- Steel structures and auxiliary components.
- Frames, supports, brackets and gusset plates.
- Reinforcement of plates, sections and welded assemblies.
- Machinery, industrial equipment and maintenance.
- Metalworking, platework and special projects.
Advantages of Supply from SUALSA
- Extensive range of merchant sections and steel products.
- Order preparation according to the project or manufacturing stage.
- Cutting and additional services subject to size and requirements.
- Personalised technical and commercial support.
- National and international supply.
Complete Weight and Cross-Sectional Area Table
Values transcribed from the technical sheet. Weight is expressed in kg/m and cross-sectional area in cm².
| Designation | Weight kg/m | Area cm² | a mm | b mm | t mm |
|---|---|---|---|---|---|
| L 30 × 20 × 3 | 1.12 | 1.43 | 30 | 20 | 3 |
| L 30 × 20 × 4 | 1.46 | 1.86 | 30 | 20 | 4 |
| L 40 × 20 × 4 | 1.77 | 2.26 | 40 | 20 | 4 |
| L 40 × 25 × 4 | 1.93 | 2.46 | 40 | 25 | 4 |
| L 45 × 30 × 4 | 2.25 | 2.87 | 45 | 30 | 4 |
| L 50 × 30 × 5 | 2.96 | 2.78 | 50 | 30 | 5 |
| L 60 × 30 × 5 | 3.36 | 4.28 | 60 | 30 | 5 |
| L 60 × 40 × 5 | 3.76 | 4.79 | 60 | 40 | 5 |
| L 60 × 40 × 6 | 4.46 | 5.68 | 60 | 40 | 6 |
| L 65 × 50 × 5 | 4.35 | 5.54 | 65 | 50 | 5 |
| L 70 × 50 × 6 | 5.41 | 6.89 | 70 | 50 | 6 |
| L 75 × 50 × 6 | 5.65 | 7.19 | 75 | 50 | 6 |
| L 75 × 50 × 8 | 7.39 | 9.41 | 75 | 50 | 8 |
| L 80 × 40 × 6 | 5.41 | 6.89 | 80 | 40 | 6 |
| L 80 × 40 × 8 | 7.07 | 9.01 | 80 | 40 | 8 |
| L 80 × 60 × 7 | 7.36 | 9.38 | 80 | 60 | 7 |
| L 100 × 50 × 6 | 6.84 | 8.71 | 100 | 50 | 6 |
| L 100 × 50 × 8 | 8.97 | 11.4 | 100 | 50 | 8 |
| L 100 × 65 × 7 | 8.77 | 11.2 | 100 | 65 | 7 |
| L 100 × 65 × 8 | 9.94 | 12.7 | 100 | 65 | 8 |
| L 100 × 65 × 10 | 12.3 | 15.6 | 100 | 65 | 10 |
| L 100 × 75 × 8 | 10.6 | 13.5 | 100 | 75 | 8 |
| L 100 × 75 × 10 | 13.0 | 16.6 | 100 | 75 | 10 |
| L 100 × 75 × 12 | 15.4 | 19.7 | 100 | 75 | 12 |
| L 120 × 80 × 8 | 12.2 | 15.5 | 120 | 80 | 8 |
| L 120 × 80 × 10 | 15.0 | 19.1 | 120 | 80 | 10 |
| L 120 × 80 × 12 | 17.8 | 22.7 | 120 | 80 | 12 |
| L 125 × 75 × 8 | 12.2 | 15.5 | 125 | 75 | 8 |
| L 125 × 75 × 10 | 15.0 | 19.1 | 125 | 75 | 10 |
| L 125 × 75 × 12 | 17.8 | 22.7 | 125 | 75 | 12 |
| L 135 × 65 × 8 | 12.2 | 15.5 | 135 | 65 | 8 |
| L 135 × 65 × 10 | 15.0 | 19.1 | 135 | 65 | 10 |
| L 150 × 75 × 9 | 15.4 | 19.6 | 150 | 75 | 9 |
| L 150 × 75 × 10 | 17.0 | 21.7 | 150 | 75 | 10 |
| L 150 × 75 × 12 | 20.2 | 25.7 | 150 | 75 | 12 |
| L 150 × 75 × 15 | 24.8 | 31.7 | 150 | 75 | 15 |
| L 150 × 90 × 10 | 18.2 | 23.2 | 150 | 90 | 10 |
| L 150 × 90 × 12 | 21.6 | 27.5 | 150 | 90 | 12 |
| L 150 × 90 × 15 | 26.6 | 33.9 | 150 | 90 | 15 |
| L 150 × 100 × 10 | 19.0 | 24.2 | 150 | 100 | 10 |
| L 150 × 100 × 12 | 22.5 | 28.7 | 150 | 100 | 12 |
| L 200 × 100 × 10 | 23.0 | 29.2 | 200 | 100 | 10 |
| L 200 × 100 × 12 | 27.3 | 34.8 | 200 | 100 | 12 |
| L 200 × 100 × 15 | 33.75 | 43.0 | 200 | 100 | 15 |
| L 200 × 150 × 12 | 32.0 | 40.8 | 200 | 150 | 12 |
| L 200 × 150 × 15 | 39.6 | 50.5 | 200 | 150 | 15 |
Verification note: the values must be checked against the applicable standard, the manufacturer and the material certificate before being used for structural calculations, manufacturing or contractual documentation. In particular, the published area for L 50 × 30 × 5 should be reviewed because it may contain an error in the original technical sheet.
Quick Weight Table
| Designation | kg/m | Designation | kg/m |
|---|---|---|---|
| L 30 × 20 × 3 | 1.12 | L 30 x 20 x 4 | 1.46 |
| L 40 × 20 × 4 | 1.77 | L 40 x 25 x 4 | 1.93 |
| L 45 × 30 × 4 | 2.25 | L 50 x 30 x 5 | 2.96 |
| L 60 × 30 × 5 | 3.36 | L 60 x 40 x 5 | 3.76 |
| L 60 × 40 × 6 | 4.46 | L 65 x 50 x 5 | 4.35 |
| L 70 × 50 × 6 | 5.41 | L 75 x 50 x 6 | 5.65 |
| L 75 × 50 × 8 | 7.39 | L 80 x 40 x 6 | 5.41 |
| L 80 × 40 × 8 | 7.07 | L 80 x 60 x 7 | 7.36 |
| L 100 × 50 × 6 | 6.84 | L 100 x 50 x 8 | 8.97 |
| L 100 × 65 × 7 | 8.77 | L 100 x 65 x 8 | 9.94 |
| L 100 × 65 × 10 | 12.3 | L 100 x 75 x 8 | 10.6 |
| L 100 × 75 × 10 | 13.0 | L 100 x 75 x 12 | 15.4 |
| L 120 × 80 × 8 | 12.2 | L 120 x 80 x 10 | 15.0 |
| L 120 × 80 × 12 | 17.8 | L 125 x 75 x 8 | 12.2 |
| L 125 × 75 × 10 | 15.0 | L 125 x 75 x 12 | 17.8 |
| L 135 × 65 × 8 | 12.2 | L 135 x 65 x 10 | 15.0 |
| L 150 × 75 × 9 | 15.4 | L 150 x 75 x 10 | 17.0 |
| L 150 × 75 × 12 | 20.2 | L 150 x 75 x 15 | 24.8 |
| L 150 × 90 × 10 | 18.2 | L 150 x 90 x 12 | 21.6 |
| L 150 × 90 × 15 | 26.6 | L 150 x 100 x 10 | 19.0 |
| L 150 × 100 × 12 | 22.5 | L 200 x 100 x 10 | 23.0 |
| L 200 × 100 × 12 | 27.3 | L 200 x 100 x 15 | 33.75 |
| L 200 × 150 × 12 | 32.0 | L 200 x 150 x 15 | 39.6 |
Moment of Inertia Table
Second moments of area about the X-X, Y-Y, U-U and V-V axes. All values are expressed in cm⁴ and have been transcribed from the technical sheet.
| Designation | Ix cm⁴ | Iy cm⁴ | Iu cm⁴ | Iv cm⁴ |
|---|---|---|---|---|
| L 30 × 20 × 3 | 1.25 | 0.437 | 1.43 | 0.256 |
| L 30 × 20 × 4 | 1.59 | 0.433 | 1.81 | 0.30 |
| L 40 × 20 × 4 | 3.59 | 0.600 | 3.80 | 0.393 |
| L 40 × 25 × 4 | 3.89 | 1.16 | 4.35 | 0.700 |
| L 45 × 30 × 4 | 5.78 | 2.05 | 6.65 | 1.18 |
| L 50 × 30 × 5 | 9.36 | 2.51 | 10.3 | 1.54 |
| L 60 × 30 × 5 | 15.6 | 2.63 | 16.5 | 1.71 |
| L 60 × 40 × 5 | 17.2 | 6.11 | 19.7 | 3.54 |
| L 60 × 40 × 6 | 20.1 | 7.12 | 23.1 | 4.16 |
| L 65 × 50 × 5 | 23.2 | 11.9 | 28.8 | 6.32 |
| L 70 × 50 × 6 | 33.4 | 14.2 | 39.7 | 7.92 |
| L 75 × 50 × 6 | 40.5 | 14.4 | 46.6 | 8.36 |
| L 75 × 50 × 8 | 52.0 | 18.4 | 59.6 | 10.8 |
| L 80 × 40 × 6 | 44.9 | 7.59 | 47.6 | 4.93 |
| L 80 × 40 × 8 | 57.6 | 9.61 | 60.9 | 6.34 |
| L 80 × 60 × 7 | 59.0 | 28.4 | 72.0 | 15.4 |
| L 100 × 50 × 6 | 89.9 | 15.4 | 95.4 | 9.92 |
| L 100 × 50 × 8 | 116 | 19.7 | 123 | 12.8 |
| L 100 × 65 × 7 | 113 | 37.6 | 128 | 22.0 |
| L 100 × 65 × 8 | 127 | 42.2 | 144 | 24.8 |
| L 100 × 65 × 10 | 154 | 51.0 | 175 | 30.1 |
| L 100 × 75 × 8 | 133 | 64.1 | 162 | 34.6 |
| L 100 × 75 × 10 | 162 | 77.6 | 197 | 42.2 |
| L 100 × 75 × 12 | 189 | 90.2 | 230 | 49.5 |
| L 120 × 80 × 8 | 226 | 80.8 | 260 | 46.6 |
| L 120 × 80 × 10 | 276 | 98.1 | 317 | 56.8 |
| L 120 × 80 × 12 | 323 | 114 | 371 | 66.7 |
| L 125 × 75 × 8 | 247 | 67.6 | 274 | 40.9 |
| L 125 × 75 × 10 | 302 | 82.1 | 334 | 49.9 |
| L 125 × 75 × 12 | 354 | 95.5 | 391 | 58.5 |
| L 135 × 65 × 8 | 291 | 45.2 | 307 | 29.4 |
| L 135 × 65 × 10 | 356 | 54.7 | 375 | 35.9 |
| L 150 × 75 × 9 | 455 | 77.9 | 483 | 50.2 |
| L 150 × 75 × 10 | 501 | 85.6 | 531 | 55.1 |
| L 150 × 75 × 12 | 588 | 99.6 | 623 | 64.7 |
| L 150 × 75 × 15 | 713 | 119 | 753 | 78.6 |
| L 150 × 90 × 10 | 533 | 146 | 591 | 88.33 |
| L 150 × 90 × 12 | 627 | 171 | 694 | 104 |
| L 150 × 90 × 15 | 761 | 205 | 841 | 126 |
| L 150 × 100 × 10 | 553 | 199 | 637 | 114 |
| L 150 × 100 × 12 | 651 | 233 | 749 | 134 |
| L 200 × 100 × 10 | 1220 | 210 | 1290 | 135 |
| L 200 × 100 × 12 | 1440 | 247 | 1530 | 159 |
| L 200 × 100 × 15 | 1758 | 299 | 1864 | 193 |
| L 200 × 150 × 12 | 1650 | 803 | 2030 | 430 |
| L 200 × 150 × 15 | 2022 | 979 | 2476 | 526 |
Verification note: these data must not be used for structural calculations without checking them against the applicable standard, the manufacturer and the material certificate. Ix and Iy refer to the X-X and Y-Y axes; Iu and Iv refer to the principal U-U and V-V axes shown in the technical sheet.
Explanation of Geometric Data
| Symbol | Meaning |
|---|---|
| a, b | Nominal leg lengths |
| t | Nominal thickness |
| r | Root radius |
| Cx, Cy | Distances to the centre of gravity |
| Ix, Iy | Second moments of area about the X-X and Y-Y axes |
| rx, ry | Radii of gyration |
| Zx, Zy | Section moduli about the principal axes |
| Iu, Iv | Second moments of area about the U-U and V-V axes |
| tan a | Inclination of the V-V axis |
Steel Grades and Documentation
S275JR
Structural steel grade stated in the technical sheet. Applicable properties must be verified in the documentation for the supplied material.
S355J2+N
Structural steel grade stated in the technical sheet, with J2 impact designation and +N delivery condition. Conformity must be verified through the corresponding certificate.
Frequently Asked Questions
What is an unequal steel angle?
It is an L-shaped steel section whose two legs have different lengths.
What size range is included in the technical sheet?
From L 30 × 20 × 3 to L 200 × 150 × 15.
What is the weight of an L 100 × 50 × 8?
The technical sheet states a theoretical weight of 8.97 kg/m.
What is the weight of an L 200 × 150 × 15?
The technical sheet states a theoretical weight of 39.6 kg/m.
Which standard is stated in the technical sheet?
UNE-EN 10056-1:1999.
Which steel grades are specified?
S275JR and S355J2+N.
Can unequal angles be supplied cut to length?
SUALSA can assess cutting and material preparation according to the order requirements.
Quick Information for Search Engines and AI Assistants
| Field | Content |
|---|---|
| Product | Unequal steel angle |
| Designations | Unequal steel angle, unequal-leg angle, unequal angle section |
| Standard stated | UNE-EN 10056-1:1999 |
| Technical sheet range | L 30 × 20 × 3 to L 200 × 150 × 15 |
| Steel grades | S275JR and S355J2+N |
| Technical data | Dimensions, weight, area, centres of gravity and second moments of area |
| Supplier | SUALSA, steel service center |
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