角鋼俗稱角鐵、是兩邊互相垂直成角形的長條鋼材。有等邊角鋼和不等邊角鋼之分。等邊角鋼的 兩個邊寬相等。其規格以邊寬×邊寬×邊厚的毫米數表示。如“∟30×30×3”,即表示邊寬為 30毫米、邊厚為3毫米的等邊角鋼。也可用型號表示,型號是邊寬的厘米數,如∟3#。型號不表示同一型號中不同邊厚的尺寸,因而在合同等單據上將角鋼的邊寬、邊厚尺寸填寫齊全,避免單獨用型號表示。熱軋等邊角鋼的規格為2#-20#。角鋼可按結構的不同需要組成各種不同的受力構件,也可作構件之間的連接件。廣泛地用于各種建筑結構和工程結構,如房梁、橋梁、輸電塔、起重運輸機械、船舶、工業爐、反應塔、容器架以及倉庫。
圓角 | 重心矩 | 截面積 | 質量 | 圓角 | 重心矩 | 截面積 | 質量 | ||||
R | Z0 | A | R | Z0 | A | ||||||
型號 | (mm) | (cm2) | (kg/m) | 型號 | (mm) | (cm2) | (kg/m) | ||||
20× | 3 | 3.5 | 6 | 1.13 | 0.89 | L90× | 6 | 10 | 24.4 | 10.64 | 8.35 |
4 | 6.4 | 1.46 | 1.15 | 7 | 24.8 | 12.3 | 9.66 | ||||
L25× | 3 | 3.5 | 7.3 | 1.43 | 1.12 | 8 | 25.2 | 13.94 | 10.95 | ||
4 | 7.6 | 1.86 | 1.46 | 10 | 25.9 | 17.17 | 13.48 | ||||
L30× | 3 | 4.5 | 8.5 | 1.75 | 1.37 | 12 | 26.7 | 20.31 | 15.94 | ||
4 | 8.9 | 2.28 | 1.79 | L100× | 6 | 12 | 26.7 | 11.93 | 9.37 | ||
L36× | 3 | 4.5 | 10 | 2.11 | 1.66 | 7 | 27.1 | 13.8 | 10.83 | ||
4 | 10.4 | 2.76 | 2.16 | 8 | 27.6 | 15.64 | 12.28 | ||||
5 | 10.7 | 2.38 | 2.65 | 10 | 28.4 | 19.26 | 15.12 | ||||
L40× | 3 | 5 | 10.9 | 2.36 | 1.85 | 12 | 29.1 | 22.8 | 17.9 | ||
4 | 11.3 | 3.09 | 2.42 | 14 | 29.9 | 26.26 | 20.61 | ||||
5 | 11.7 | 3.79 | 2.98 | 16 | 30.6 | 29.63 | 23.26 | ||||
L45× | 3 | 5 | 12.2 | 2.66 | 2.09 | L110× | 7 | 12 | 29.6 | 15.2 | 11.93 |
4 | 12.6 | 3.49 | 2.74 | 8 | 30.1 | 17.24 | 13.53 | ||||
5 | 13 | 4.29 | 3.37 | 10 | 30.9 | 21.26 | 16.69 | ||||
6 | 13.3 | 5.08 | 3.99 | 12 | 31.6 | 25.2 | 19.78 | ||||
L50× | 3 | 5.5 | 13.4 | 2.97 | 2.33 | 14 | 32.4 | 29.06 | 22.81 | ||
4 | 13.8 | 3.9 | 3.06 | L125× | 8 | 14 | 33.7 | 19.75 | 15.5 | ||
5 | 14.2 | 4.8 | 3.77 | 10 | 34.5 | 24.37 | 19.13 | ||||
6 | 14.6 | 5.69 | 4.46 | 12 | 35.3 | 28.91 | 22.7 | ||||
L56× | 3 | 6 | 14.8 | 3.34 | 2.62 | 14 | 36.1 | 33.37 | 26.19 | ||
4 | 15.3 | 4.39 | 3.45 | L140× | 10 | 14 | 38.2 | 27.37 | 21.49 | ||
5 | 15.7 | 5.42 | 4.25 | 12 | 39 | 32.51 | 25.52 | ||||
8 | 16.8 | 8.37 | 6.57 | 14 | 39.8 | 37.57 | 29.49 | ||||
L63× | 4 | 7 | 17 | 4.98 | 3.91 | 16 | 40.6 | 42.54 | 33.39 | ||
5 | 17.4 | 6.14 | 4.82 | L160× | 10 | 16 | 43.1 | 31.5 | 24.73 | ||
6 | 17.8 | 7.29 | 5.72 | 12 | 43.9 | 37.44 | 29.39 | ||||
8 | 18.5 | 9.51 | 7.47 | 14 | 44.7 | 43.3 | 33.99 | ||||
10 | 19.3 | 11.66 | 9.15 | 16 | 45.5 | 49.07 | 38.52 | ||||
L70× | 4 | 8 | 18.6 | 5.57 | 4.37 | L180× | 12 | 16 | 48.9 | 42.24 | 33.16 |
5 | 19.1 | 6.88 | 5.4 | 14 | 49.7 | 48.9 | 38.38 | ||||
6 | 19.5 | 8.16 | 6.41 | 16 | 50.5 | 55.47 | 43.54 | ||||
7 | 19.9 | 9.42 | 7.4 | 18 | 51.3 | 61.95 | 48.63 | ||||
8 | 20.3 | 10.67 | 8.37 | L200× | 14 | 18 | 54.6 | 54.64 | 42.89 | ||
L75× | 5 | 9 | 20.3 | 7.41 | 5.82 | 16 | 55.4 | 62.01 | 48.68 | ||
6 | 20.7 | 8.8 | 6.91 | 18 | 56.2 | 69.3 | 54.4 | ||||
7 | 21.1 | 10.16 | 7.98 | 20 | 56.9 | 76.5 | 60.06 | ||||
8 | 21.5 | 11.5 | 9.03 | 24 | 58.4 | 90.66 | 71.17 | ||||
10 | 22.2 | 14.13 | 11.09 | ||||||||
L80× | 5 | 9 | 21.5 | 7.91 | 6.21 | ||||||
6 | 21.9 | 9.4 | 7.38 | ||||||||
7 | 22.3 | 10.86 | 8.53 | ||||||||
8 | 22.7 | 12.3 | 9.66 | ||||||||
10 | 23.5 | 15.13 | 11.87 |