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AISC M-Shapes (Miscellaneous I) - Section Properties

Section dimensions and properties for AISC M-Shapes (Miscellaneous I).

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Designation	mass lb/ft	h in	b in	t_w in	t_f in	A in²	I_y in⁴	W_el,y in³	W_pl,y in³	i_y in	I_z in⁴	W_el,z in³	W_pl,z in³	i_z in	I_t in⁴	I_w in⁶
M12.5X12.4	12.4	12.5	3.75	0.155	0.228	3.63	89.3	14.2	16.5	4.96	2.01	1.07	1.68	0.744	0.0493	76
M12.5X11.6	11.6	12.5	3.5	0.155	0.211	3.4	80.3	12.8	15	4.86	1.51	0.864	1.37	0.667	0.0414	57.1
M12X11.8	11.8	12	3.07	0.177	0.225	3.47	72.2	12	14.3	4.56	1.09	0.709	1.15	0.559	0.05	37.7
M12X10.8	10.8	12	3.07	0.16	0.21	3.18	66.7	11.1	13.2	4.58	1.01	0.661	1.07	0.564	0.0393	35
M12X10	10	12	3.25	0.149	0.18	2.95	61.7	10.3	12.2	4.57	1.03	0.636	1.02	0.592	0.0292	35.9
M10X9	9	10	2.69	0.157	0.206	2.65	39	7.79	9.22	3.83	0.672	0.5	0.809	0.503	0.0314	16.1
M10X8	8	9.95	2.69	0.141	0.182	2.37	34.6	6.95	8.2	3.82	0.593	0.441	0.711	0.5	0.0224	14.2
M10X7.5	7.5	9.99	2.69	0.13	0.173	2.22	33	6.6	7.77	3.85	0.562	0.418	0.67	0.503	0.0187	13.5
M8X6.5	6.5	8	2.28	0.135	0.189	1.92	18.5	4.63	5.43	3.11	0.376	0.329	0.529	0.443	0.0184	5.73
M8X6.2	6.2	8	2.28	0.129	0.177	1.82	17.6	4.39	5.15	3.1	0.352	0.308	0.495	0.439	0.0156	5.38
M6X4.4	4.4	6	1.84	0.114	0.171	1.29	7.23	2.41	2.8	2.36	0.18	0.195	0.311	0.372	0.0099	1.53
M6X3.7	3.7	5.92	2	0.098	0.129	1.09	5.96	2.01	2.33	2.34	0.173	0.173	0.273	0.398	0.0053	1.45
M5X18.9	18.9	5	5	0.316	0.416	5.56	24.2	9.67	11.1	2.08	8.7	3.48	5.33	1.25	0.313	45.7
M4X6	6	3.8	3.8	0.13	0.16	1.75	4.72	2.48	2.74	1.64	1.47	0.771	1.18	0.915	0.0184	4.87
M4X4.08	4.08	4	2.25	0.115	0.17	1.27	3.53	1.77	2	1.67	0.325	0.289	0.453	0.506	0.0147	1.19
M3X2.9	2.9	3	2.25	0.09	0.13	0.914	1.5	1	1.12	1.28	0.248	0.221	0.344	0.521	0.0079	0.511

16 sections · source: AISC Shapes Database v16.0

Related section types

AISC W-Shapes (Wide-Flange)

289 sections · AISC Shapes Database v16.0

AISC S-Shapes (American Standard Beam)

28 sections · AISC Shapes Database v16.0

AISC HP-Shapes (Bearing Pile)

22 sections · AISC Shapes Database v16.0

Learn more

📘 How to read a steel section table (UB, UC, IPE, HE) →📘 Section modulus explained: elastic (Wel) vs plastic (Wpl) →📘 IPE vs HE (HEA/HEB): choosing a European steel beam →

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