Equal Angle Steel Sizes
| Size(mm) | Thickness (mm) |
Theoretic weight (kg/m) | Size(mm) | Thickness (mm) |
Theoretic weight (kg/m) |
| 20*20*3 | 3 | 0.885 | 80*80*8 | 8 | 9.55 |
| 25*25*3 | 3 | 1.12 | 90*90*6 | 6 | 8.25 |
| 30*30*3 | 3 | 1.36 | 90*90*7 | 7 | 7.35 |
| 30*30*4 | 4 | 1.78 | 90*90*8 | 8 | 109 |
| 30*30*5 | 5 | 2.16 | 90*90*9 | 9 | 12.2 |
| 38*38*3 | 3 | 1.72 | 90*90*10 | 10 | 13.3 |
| 38*38*4 | 4 | 2.26 | 100*100*6 | 6 | 9.22 |
| 40*40*3 | 3 | 1.83 | 100*100*7 | 7 | 10.7 |
| 40*40*4 | 4 | 2.41 | 100*100*8 | 8 | 12.1 |
| 40*40*5 | 5 | 2.95 | 100*100*9 | 9 | 13.5 |
| 50*50*3 | 3 | 2.33 | 100*100*10 | 10 | 14.9 |
| 50*50*4 | 4 | 3.06 | 100*100*12 | 12 | 17.8 |
| 50*50*5 | 5 | 3.77 | 120*120*8 | 8 | 14.7 |
| 50*50*6 | 6 | 4.43 | 120*120*10 | 10 | 18.2 |
| 70*70*5 | 5 | 5.37 | 120*120*12 | 12 | 21.5 |
| 70*70*6 | 6 | 6.38 | 130*130*9 | 9 | 17.9 |
| 70*70*7 | 7 | 7.35 | 130*130*10 | 10 | 19.7 |
| 75*75*5 | 5 | 5.76 | 130*130*12 | 12 | 23.4 |
| 75*75*6 | 6 | 6.85 | 150*150*10 | 10 | 22.9 |
| 75*75*7 | 7 | 7.94 | 150*150*12 | 12 | 27.3 |
| 75*75*8 | 8 | 8.92 | 150*150*15 | 15 | 33.6 |
| 75*75*9 | 9 | 9.96 | 200*200*15 | 15 | 45.3 |
| 80*80*6 | 6 | 7.32 | 200*200*20 | 20 | 59.7 |
| 80*80*7 | 7 | 8.48 | 200*200*24 | 24 | 71.1 |
* Equal Angle Steel Sizes
| Size(mm) | Thickness (mm) |
Theoretic weight (kg/m) | Size(mm) | Thickness (mm) |
Theoretic weight (kg/m) |
| 20*20*3 | 3 | 0.885 | 80*80*8 | 8 | 9.55 |
| 25*25*3 | 3 | 1.12 | 90*90*6 | 6 | 8.25 |
| 30*30*3 | 3 | 1.36 | 90*90*7 | 7 | 7.35 |
| 30*30*4 | 4 | 1.78 | 90*90*8 | 8 | 109 |
| 30*30*5 | 5 | 2.16 | 90*90*9 | 9 | 12.2 |
| 38*38*3 | 3 | 1.72 | 90*90*10 | 10 | 13.3 |
| 38*38*4 | 4 | 2.26 | 100*100*6 | 6 | 9.22 |
| 40*40*3 | 3 | 1.83 | 100*100*7 | 7 | 10.7 |
| 40*40*4 | 4 | 2.41 | 100*100*8 | 8 | 12.1 |
| 40*40*5 | 5 | 2.95 | 100*100*9 | 9 | 13.5 |
| 50*50*3 | 3 | 2.33 | 100*100*10 | 10 | 14.9 |
| 50*50*4 | 4 | 3.06 | 100*100*12 | 12 | 17.8 |
| 50*50*5 | 5 | 3.77 | 120*120*8 | 8 | 14.7 |
| 50*50*6 | 6 | 4.43 | 120*120*10 | 10 | 18.2 |
| 70*70*5 | 5 | 5.37 | 120*120*12 | 12 | 21.5 |
| 70*70*6 | 6 | 6.38 | 130*130*9 | 9 | 17.9 |
| 70*70*7 | 7 | 7.35 | 130*130*10 | 10 | 19.7 |
| 75*75*5 | 5 | 5.76 | 130*130*12 | 12 | 23.4 |
| 75*75*6 | 6 | 6.85 | 150*150*10 | 10 | 22.9 |
| 75*75*7 | 7 | 7.94 | 150*150*12 | 12 | 27.3 |
| 75*75*8 | 8 | 8.92 | 150*150*15 | 15 | 33.6 |
| 75*75*9 | 9 | 9.96 | 200*200*15 | 15 | 45.3 |
| 80*80*6 | 6 | 7.32 | 200*200*20 | 20 | 59.7 |
| 80*80*7 | 7 | 8.48 | 200*200*24 | 24 | 71.1 |



1.What is angle steel?
Steel angle, also named angle iron, or steel angle bar, is basically manufactured by hot-rolled carbon steel or high strength low alloy steel. It has L-cross shaped section with two legs - equal or unequal and the angle would be 90 degree.
2.How strong is angle steel?
With a single, 90° bend, angle iron is one of the strongest structural support elements. That's because it evenly distributes stress along its entire length and resists bending.
3.Is angle stronger than flat bar?
Thanks to the 90-degree bend, angle iron is extremely strong along its length, and resists bending. It can easily support larger loads than similar thicknesses of flat steel and it is much stronger than wood or many composites pound for pound.
4.What are the 4 types of angles?
Angles are where two lines meet, or a way of measuring where two objects are relative to each other from a particular point of reference, like measuring the position of a star. There are four main types of angles: right angles, acute angles, obtuse angles, and straight angles.
5.What are the disadvantages of using angle steel?
However, angle steel also has disadvantages such as low torsional stiffness, limited force direction, limited cross-sectional utilization, easy fatigue failure and high processing precision requirements



















