S-Shapes (Std Beams)

Source: AISC Shapes Database v16.0. Exact official matches: 28 of 28 records; unmatched records and fields remain unverified.

Not yet verified against an official manufacturer table — check before use.

ASTM A6 · 28 sections

Free Reference Data

S-shapes (Standard Beams) are ASTM A6 I-sections with sloped inner flanges. The original American standard beam profile, still used in crane runway girders and special applications where the tapered flange is advantageous.

Axes: x-x / y-y. Values from the shared section record; — means unavailable.

Reference values — verify against the current edition of the applicable standard or manufacturer's table before design use.

Section	A (cm²)	G (kg/m)	Major I (cm⁴)	Minor I (cm⁴)	Major elastic modulus (cm³)	Minor elastic modulus (cm³)
S 3×5.7	10.7	8.5	104	18.6	27.4	6.28
S 3×7.5	14.2	11.2	121	24.1	31.8	7.55
S 4×7.7	14.6	11.5	252	31.1	49.7	9.21
S 4×9.5	18	14.1	281	36.9	55.4	10.4
S 5×10	18.9	15	512	49.5	80.3	13
S 6×12.5	23.6	18.6	916	74.9	120	17.7
S 6×17.25	32.6	25.7	1090	95.3	143	21
S 8×18.4	34.8	27.4	2390	154	236	30.2
S 8×23	43.6	34	2690	178	265	33.6
S 10×25.4	48.1	37.8	5120	280	403	47.4
S 10×35	66.5	52	6120	345	482	55.1
S 12×31.8	60.1	47.3	9030	388	593	61.1
S 12×35	65.8	52	9490	410	624	63.6
S 12×40.8	76.8	60.7	11200	562	739	84.1
S 12×50	94.8	74	12600	649	829	93.2
S 15×42.9	81.3	64	18600	595	973	85
S 15×50	94.8	74	20200	649	1060	90.6
S 18×54.7	103	81.4	33300	862	1460	113
S 18×70	132	104	38400	999	1690	126
S 20×66	125	98.2	49500	1140	1950	144
S 20×75	142	112	53300	1230	2100	152
S 20×86	163	128	65300	1940	2540	216
S 20×96	182	143	69500	2080	2700	228
S 24×80	152	119	87400	1750	2870	197
S 24×90	171	134	93700	1860	3060	205
S 24×100	189	149	99100	1970	3260	215
S 24×106	201	158	122000	3200	3930	320
S 24×121	229	180	132000	3450	4230	338