American Wide Flange Beams

Properties of American Wide Flange Beams according ASTM A6 in metric units are indicated below.

• American Wide Flange Beams according ASTM A6 - Imperial units

For full table with Static Parameters - Moment of Inertia and Elastic Section Modulus - rotate the screen!

Designation		Dimensions						Static Parameters
								Moment of Inertia		Elastic Section Modulus
Imperal (in x in x lb/ft)	Metric (mm x mm x kg/m)	Depth - h - (mm)	Width - w - (mm)	Web Thickness - s - (mm)	Flange Thickness - f - (mm)	Sectional Area (cm2)	Weight (kg/m)	Ix (cm4)	Iy (cm4)	Sx (cm3)	Sy (cm3)
W 4 x 4 x 13	W 100 x 100 x 19.3	106	103	7.1	8.8	24.7	19.3	475.9	160.6	89.9	31.2
W 5 x 5 x 16	W 130 x 130 x 23.8	127	127	6.1	9.1	30.4	23.8	885.5	311	139.5	49
W 5 x 5 x 19	W 130 x 130 x 28.1	131	128	6.9	10.9	35.9	28.1	1099	381.4	167.7	59.6
W 6 x 4 x  9	W 150 x 100 x 13.5	150	100	4.3	5.5	17.3	13.5	685.5	91.8	91.4	18.4
W 6 x 4 x 12	W 150 x 100 x 18.0	153	102	5.8	7.1	22.9	18	915.9	125.9	122.1	25.4
W 6 x 4 x 16	W 150 x 100 x 24.0	160	102	6.6	10.3	30.6	24	1342	182.6	167.8	35.8
W 6 x 6 x 15	W 150 x 150 x 22.5	152	152	5.8	6.6	28.6	22.5	1206	386.6	158.6	50.9
W 6 x 6 x 20	W 150 x 150 x 29.8	157	153	6.6	9.3	37.9	29.8	1714	555.5	218.4	72.6
W 6 x 6 x 25	W 150 x 150 x 37.1	162	154	8.1	11.6	47.4	37.1	2220	706.8	274.1	91.8
W 8 x 4 x 10	W 200 x 100 x 15.0	200	100	4.3	5.2	19.1	15	1280	86.9	128	17.4
W 8 x 4 x 13	W 200 x 100 x 19.3	203	102	5.8	6.5	24.8	19.3	1662	115.4	163.7	22.6
W 8 x 4 x 15	W 200 x 100 x 22.5	206	102	6.2	8.0	28.6	22.5	2004	142	194.5	27.8
W 8 x 5.25 x 18	W 200 x 135 x 26.6	207	133	5.8	8.4	33.9	26.6	2587	329.8	250	49.6
W 8 x 5.25 x 21	W 200 x 135 x 31.3	210	134	6.4	10.2	39.7	31.3	3139	409.6	290	61.1
W 8 x 6.5 x 24	W 200 x 165 x 35.9	201	165	6.2	10.2	45.7	35.9	3438	764.3	342.1	92.6
W 8 x 6.5 x 28	W 200 x 165 x 41.7	205	166	7.2	11.8	53.2	41.7	4088	900.5	399	108.5
W 8 x 8 x 31	W 200 x 200 x 46.1	203	203	7.2	11.0	58.9	46.1	4545	1535	448	151.2
W 8 x 8 x 35	W 200 x 200 x 52	206	204	7.9	12.6	66.5	52	5268	1784	512	174.9
W 8 x 8 x 40	W 200 x 200 x 59	210	205	9.1	14.2	75.5	59	6113	2040	582	199.1
W 8 x 8 x 48	W 200 x 200 x 71	216	206	10.2	17.4	91	71	7658	2537	709	246.3
W 8 x 8 x 58	W 200 x 200 x 86	222	209	13	20.6	110	86	9467	3138	853	300.3
W 8 x 8 x 67	W 200 x 200 x 100	229	210	14.5	23.7	127	100	11325	3663	989	348.9
W 10 x 4 x 12	W 250 x 100 x 17.9	251	101	4.8	5.3	22.8	17.9	2254	91.3	179.5	18.1
W 10 x 4 x 15	W 250 x 100 x 22.3	254	102	5.8	6.9	28.5	22.3	2901	122.6	228.4	24
W 10 x 4 x 17	W 250 x 100 x 25.3	257	102	6.1	8.4	32.2	25.3	3430	149.2	266.9	29.3
W 10 x 4 x 19	W 250 x 100 x 28.4	260	102	6.4	10.0	36.3	28.4	3998	177.5	307.5	34.8
W 10 x 5.75 x 22	W 250 x 145 x 32.7	258	146	6.1	9.1	41.9	32.7	4895	472.6	379.4	64.7
W 10 x 5.75 x 26	W 250 x 145 x 38.5	262	147	6.6	11.2	49.1	38.5	6014	593.7	459.1	80.8
W 10 x 5.75 x 30	W 250 x 145 x 44.8	266	148	7.6	13.0	57	44.8	7118	703.5	535.2	95.1
W 10 x 8 x 33	W 250 x 200 x 49.1	247	202	7.4	11.0	62.6	49.1	7069	1513	572.4	149.8
W 10 x 8 x 39	W 250 x 200 x 58	252	203	8.0	13.5	74.2	58	8736	1884	693.4	185.6
W 10 x 8 x 45	W 250 x 200 x 67	257	204	8.9	15.7	85.8	67	10360	2224	806.6	218
W 10 x 10 x 49	W 250 x 250 x 73	253	254	8.6	14.2	92.9	73	11290	3880	892.1	305.5
W 10 x 10 x 54	W 250 x 250 x 80	256	255	9.4	15.6	102	80	12570	4314	982.4	338.3
W 10 x 10 x 60	W 250 x 250 x 89	260	256	10.7	17.3	114	89	14260	4841	1097	378.2
W 10 x 10 x 68	W 250 x 250 x 101	264	257	11.9	19.6	129	101	16380	5549	1241	431.9
W 10 x 10 x 77	W 250 x 250 x 115	269	259	13.5	22.1	146	115	18940	6405	1408	494.6
W 10 x 10 x 88	W 250 x 250 x 131	275	261	15.4	25.1	167	131	22150	7446	1611	570.6
W 10 x 10 x 100	W 250 x 250 x 149	282	263	17.3	28.4	190	149	25940	8622	1840	655.7
W 10 x 10 x 112	W 250 x 250 x 167	289	265	19.2	31.8	212	167	30020	9879	2078	745.6
W 12 x 4 x 14	W 310 x 100 x 21	303	101	5.1	5.7	26.8	21	3708	98.3	244.8	19.5
W 12 x 4 x 16	W 310 x 100 x 23.8	305	101	5.6	6.7	30.4	23.8	4280	115.6	280.7	22.9
W 12 x 4 x 19	W 310 x 100 x 28.3	309	102	6.0	8.9	35.9	28.3	5431	158.1	351.5	31
W 12 x 4 x 22	W 310 x 100 x 32.7	313	102	6.6	10.8	41.8	32.7	6507	191.9	415.8	37.6
W 12 x 6.5 x 26	W 310 x 165 x 38.7	310	165	5.8	9.7	49.4	38.7	8527	726.8	550.1	88.1
W 12 x 6.5 x 30	W 310 x 165 x 44.5	313	166	6.6	11.2	56.7	44.5	9934	854.7	634.8	103
W 12 x 6.5 x 35	W 310 x 165 x 52	317	167	7.6	13.2	66.5	52	11851	1026	747.7	122.9
W 12 x 8 x 40	W 310 x 200 x 60	303	203	7.5	13.1	76.1	60	12860	1829	849	180.8
W 12 x 8 x 45	W 310 x 200 x 67	306	204	8.5	14.6	85.2	67	14510	2069	984	202.8
W 12 x 8 x 50	W 310 x 200 x 74	310	205	9.4	16.3	94.8	74	16450	2344	1061	228.7
W 12 x 10 x 53	W 310 x 250 x 79	306	254	8.8	14.6	101	79	17670	3990	1155	314.2
W 12 x 10 x 58	W 310 x 250 x 86	310	254	9.1	16.3	110	86	19850	4455	1280	350.8
W 12 x 12 x 65	W 310 x 310 x 97	308	305	9.9	15.4	123	97	22240	7286	1444	477.8
W 12 x 12 x 72	W 310 x 310 x 107	311	306	10.9	17.0	136	107	24790	8123	1594	530.9
W 12 x 12 x 79	W 310 x 310 x 117	314	307	11.9	18.7	150	117	27510	9024	1753	587.9
W 12 x 12 x 87	W 310 x 310 x 129	318	308	13.1	20.6	165	129	30770	10040	1935	651.9
W 12 x 12 x 96	W 310 x 310 x 143	323	309	14.0	22.9	182	143	34760	11270	2153	729.4
W 12 x 12 x 106	W 310 x 310 x 158	327	310	15.5	25.1	201	158	38630	12470	2363	804.8
W 12 x 12 x 120	W 310 x 310 x 179	333	313	18.0	28.1	228	179	44530	14380	2675	918.7
W 12 x 12 x 136	W 310 x 310 x 202	341	315	20.1	31.8	257	202	51982	16588	3049	1053
W 12 x 12 x 152	W 310 x 310 x 226	348	317	22.1	35.6	288	226	59560	18930	3423	1194
W 12 x 12 x 170	W 310 x 310 x 253	356	319	24.4	39.6	323	253	68230	21460	3833	1346
W 12 x 12 x 190	W 310 x 310 x 283	365	322	26.9	44.1	360	283	78680	24590	4311	1527
W 12 x 12 x 210	W 310 x 310 x 313	374	325	30.0	48.3	399	313	89560	27700	4789	1705
W 12 x 12 x 230	W 310 x 310 x 342	382	328	32.6	52.6	437	342	100510	31020	5262	1892

• 1 cm⁴ = 10⁴ mm⁴ = 10^-8 m⁴ = 0.024 in⁴
  
• 1 cm³ = 10³ mm³ = 10^-6 m³ = 0.061 in³
  
• 1 cm² = 10² mm² = 10^-4 m² =  0.16 in²
• 1 kg/m = 0.67 lb/ft

• W Steel Beams - Allowable Uniform Loads

Example - Converting Moment of Inertia from cm⁴ to mm⁴

The I_x Moment of Inertia of beam W 12 x 12 x 230 is 100510 cm⁴. It can be converted to mm⁴ by multiplying with 10⁴ as

(100510 cm⁴) (10⁴ mm⁴/cm⁴) = 1005100000 mm⁴

                  = 1005 10⁶ mm⁴

The standard method for specifying the dimensions of a American Wide Flange Beam is for example W 310 x 250 x 79, which is  310 mm deep, 250 mm wide and with a weight of 79 kg/m.

I-shaped cross-section beams:

• Britain : Universal Beams (UB) and Universal Columns (UC)
• Europe : IPE. HE. HL. HD and other sections
• US : Wide Flange (WF) and H sections

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