Structural Steel I-Beam Universal Flange Section Properties Sizes S3 to S24

Structural Steel I-Beam Section Properties Sizes S3 to S24 Table

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Structural steel sections. Specification for hot-rolled sections BS 4-1:2005 specifies the dimensions and mass of the following hot-rolled structural steel sections: Sizes S3 to S24

Universal beams
Universal columns
Universal bearing piles
Joists
Structural tees cut from universal beams
Structural tees cut from universal columns
Parallel flange channels
BS 4-1:2005 supersedes BS 4-1:1993

Structural Steel I-Beam Section

in × lb/ft	Area (in²)	d (in)	bf (in)	tf (in)	tw (in)	Ixx (in⁴)	Iyy (in⁴)
S24x121	35.6	24.5	8.05	1.09	0.8	3160	83.3
S24x106	31.2	24.5	7.87	1.09	0.62	2940	77.1
S24x100	29.3	24	7.245	0.87	0.745	2390	47.7
S24x90	26.5	24	7.125	0.87	0.625	2250	44.9
S24x80	23.5	24	7	0.87	0.5	2100	42.2
S20x96	28.2	20.3	7.2	0.92	0.8	1670	50.2
S20x86	25.3	20.3	7.06	0.92	0.66	1580	46.8
S20x75	22	20	6.385	0.795	0.635	1280	29.8
S20x66	19.4	20	6.255	0.795	0.505	1190	27.7
S18x70	20.6	18	6.251	0.691	0.711	926	24.1
S18x54.7	16.1	18	6.001	0.691	0.461	804	20.8
S15x50	14.7	15	5.64	0.622	0.55	486	15.7
S15x42.9	12.6	15	5.501	0.622	0.411	447	14.4
S12x50	14.7	12	5.477	0.659	0.687	305	15.7
S12x40.8	12	12	5.252	0.659	0.462	272	13.6
S12x35	10.3	12	5.078	0.544	0.428	229	9.87
S12x31.8	9.4	12	5	0.544	0.35	218	9.36
S10x35	10.3	10	4.944	0.491	0.594	147	8.36
S10x25.4	7.46	10	4.661	0.491	0.311	124	6.79
S8x23	6.77	8	4.171	0.426	0.441	64.9	4.31
S8x18.4	5.41	8	4.001	0.426	0.271	57.6	3.73
S7x20	5.88	7	3.86	0.392	0.45	42.4	3.17
S6x17.25	5.07	6	3.565	0.359	0.465	26.3	2.31
S6x12.5	3.67	6	3.332	0.359	0.232	22.1	1.82
S5x14.75	4.34	5	3.284	0.326	0.494	15.2	1.67
S5x10	2.94	5	3.004	0.326	0.214	12.3	1.22
S4x9.5	2.79	4	2.796	0.293	0.326	6.79	0.903
S4x7.7	2.26	4	2.663	0.293	0.193	6.08	0.764
S3x7.5	2.21	3	2.509	0.26	0.349	2.93	0.586
S3x5.7	1.67	3	2.33	0.26	0.17	2.52	0.455

Weight per foot
Cross Section Area
Area Moment of Inertia
Wall Thickness

Related Resources:

AISC, ASTM Angle Unequal Leg ( Aluminum )
AISC, ASTM Angle Equal Leg ( Aluminum )
AISC, ASTM Angle Unequal Leg ( Steel )
Structural Steel Angle Section Properties, Unequal Leg BSI BS EN 10056
Structural Steel Angle Section Properties, Equal Leg BSI BS EN 10056