L Angles (AISC)

AISC / ASTM A36 · 42 sections

Free Reference Data

L Angles (AISC) are equal-leg structural steel angles conforming to ASTM A36/A572, specified in the AISC Steel Construction Manual. Used in trusses, bracing, and connection elements in North American structural steel design.

Designation	a (mm)	b (mm)	t (mm)	A (cm²)	G (kg/m)	I_xx (cm⁴)	W_yy (cm³)
L 1-1/2×1-1/2×3/16	38	—	4.8	3.35	2.63	1.04	0.73
L 1-1/2×1-1/2×1/4	38	—	6.4	4.32	3.39	1.28	0.91
L 2×2×1/8	51	—	3.2	3.01	2.36	2.24	1.21
L 2×2×3/16	51	—	4.8	4.45	3.49	3.2	1.76
L 2×2×1/4	51	—	6.4	5.81	4.56	4.07	2.27
L 2×2×5/16	51	—	7.9	7.1	5.57	4.82	2.73
L 2×2×3/8	51	—	9.5	8.39	6.59	5.53	3.17
L 2-1/2×2-1/2×3/16	64	—	4.8	5.68	4.46	8.08	3.49
L 2-1/2×2-1/2×1/4	64	—	6.4	7.48	5.87	10.4	4.54
L 2-1/2×2-1/2×5/16	64	—	7.9	9.16	7.19	12.5	5.53
L 2-1/2×2-1/2×1/2	64	—	12.7	14.2	11.1	18.3	8.31
L 3×3×3/16	76	—	4.8	6.9	5.41	17.4	6.15
L 3×3×1/4	76	—	6.4	9.03	7.09	22.4	8.02
L 3×3×5/16	76	—	7.9	11.2	8.75	27.2	9.83
L 3×3×3/8	76	—	9.5	13.2	10.4	31.5	11.5
L 3×3×1/2	76	—	12.7	17.2	13.5	39.8	14.9
L 3-1/2×3-1/2×1/4	89	—	6.4	10.6	8.35	36.6	11.2
L 3-1/2×3-1/2×5/16	89	—	7.9	13.2	10.4	44.9	13.8
L 3-1/2×3-1/2×3/8	89	—	9.5	15.7	12.3	52.3	16.2
L 3-1/2×3-1/2×1/2	89	—	12.7	20.5	16.1	67	21.1
L 4×4×1/4	102	—	6.4	12.3	9.64	63.2	16.9
L 4×4×5/16	102	—	7.9	15.2	11.9	77.7	20.9
L 4×4×3/8	102	—	9.5	18.1	14.2	91.2	24.6
L 4×4×1/2	102	—	12.7	23.7	18.6	117	32
L 4×4×5/8	102	—	15.9	29	22.8	140	38.8
L 4×4×3/4	102	—	19.1	34.2	26.9	161	45.1
L 5×5×5/16	127	—	7.9	19.2	15.1	192	41.1
L 5×5×3/8	127	—	9.5	22.8	17.9	227	48.8
L 5×5×1/2	127	—	12.7	30.1	23.6	294	63.8
L 5×5×5/8	127	—	15.9	37	29.1	355	77.9
L 5×5×3/4	127	—	19.1	43.9	34.5	413	91.5
L 6×6×5/16	152	—	7.9	23.1	18.2	416	73.8
L 6×6×3/8	152	—	9.5	27.5	21.6	493	87.8
L 6×6×1/2	152	—	12.7	36.1	28.4	643	115
L 6×6×5/8	152	—	15.9	44.7	35.1	783	142
L 6×6×3/4	152	—	19.1	53.1	41.7	916	167
L 6×6×1	152	—	25.4	69	54.2	1159	215
L 8×8×1/2	203	—	12.7	48.4	38	1523	204
L 8×8×5/8	203	—	15.9	60	47.1	1870	252
L 8×8×3/4	203	—	19.1	71.6	56.2	2197	298
L 8×8×1	203	—	25.4	93.5	73.4	2799	384
L 8×8×1-1/8	203	—	28.6	104	81.9	3079	424