What are the dimensions of a W 200 x 19.3?

203 mm deep and 102 mm wide, with a 5.8 mm web and 6.5 mm flanges. Its area is 25.14 cm², so it weighs 19.73 kg per metre.

Is a W beam the same as an IPE?

No. Both are I-sections with parallel flanges, but the W series follows ASTM A6 with its own set of depths and weights, while IPE follows the European standard EN 10365. Sizes and properties do not match one to one.

W beam sizes: metric W sections from W 150 to W 610

Wide flange W sections in the metric series rolled to ASTM A6, from W 150 x 18.0 to W 610 x 174.0. Pick a size to get its dimensions, properties and CAD files.

W / ASTM A6

W 150 x 37.1

Mass 37.55 kg/m

Section

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W beam dimensions and section properties

W beam dimensions and section properties
Section	hmm	bmm	twmm	tfmm	rmm	Acalc, cm²	Gcalc, kg/m	Iycalc, cm⁴	Wel,ycalc, cm³	iycalc, cm	Izcalc, cm⁴	Wel,zcalc, cm³	izcalc, cm
W 150 x 18.0	153	102	5.8	7.1	10	23.39	18.36	939.4	122.8	6.337	126.1	24.72	2.321
W 150 x 22.5	152	152	5.8	6.6	10	28.97	22.74	1,229	161.7	6.513	386.8	50.89	3.654
W 150 x 24.0	160	102	6.6	10.3	12	31.45	24.69	1,384	173	6.633	183	35.88	2.412
W 150 x 29.8	157	153	6.6	9.3	10	38.45	30.18	1,738	221.5	6.724	555.8	72.65	3.802
W 150 x 37.1	162	154	8.1	11.6	10	47.83	37.55	2,244	277	6.849	707.1	91.83	3.845
W 200 x 15.0	200	100	4.3	5.2	10	19.41	15.24	1,305	130.5	8.198	86.99	17.4	2.117
W 200 x 19.3	203	102	5.8	6.5	10	25.14	19.73	1,686	166.1	8.189	115.5	22.65	2.144
W 200 x 22.5	206	102	6.2	8	10	28.96	22.73	2,029	197	8.37	142.1	27.87	2.216
W 200 x 26.6	207	133	5.8	8.4	10	34.23	26.87	2,611	252.3	8.734	329.9	49.61	3.104
W 200 x 31.3	210	134	6.4	10.2	10	40.33	31.66	3,168	301.7	8.863	409.7	61.15	3.187
W 200 x 35.9	201	165	6.2	10.2	10	45.72	35.89	3,437	342	8.671	764.3	92.64	4.089
W 200 x 41.7	205	166	7.2	11.8	12	53.47	41.98	4,114	401.4	8.772	900.7	108.5	4.104
W 200 x 46.1	203	203	7.2	11	10	58.55	45.96	4,543	447.6	8.809	1,535	151.2	5.119
W 200 x 52.0	206	204	7.9	12.6	12	66.93	52.54	5,298	514.4	8.897	1,784	174.9	5.163
W 200 x 59.0	210	205	9.1	14.2	12	75.98	59.65	6,140	584.8	8.989	2,041	199.1	5.183
W 200 x 71.0	216	206	10.2	17.4	10	91.03	71.46	7,660	709.2	9.173	2,537	246.3	5.279
W 200 x 86.0	222	209	13	20.6	12	110.8	87.02	9,498	855.6	9.256	3,139	300.4	5.321
W 250 x 17.9	251	101	4.8	5.3	10	23.1	18.14	2,291	182.6	9.959	91.45	18.11	1.989
W 250 x 22.3	254	102	5.8	6.9	10	28.87	22.66	2,938	231.4	10.09	122.7	24.06	2.062
W 250 x 25.3	257	102	6.1	8.4	10	32.65	25.63	3,472	270.2	10.31	149.3	29.27	2.138
W 250 x 28.4	260	102	6.4	10	10	36.62	28.75	4,046	311.2	10.51	177.7	34.84	2.203
W 250 x 32.7	258	146	6.1	9.1	10	42.06	33.02	4,937	382.7	10.83	472.7	64.76	3.353
W 250 x 38.5	262	147	6.6	11.2	10	49.6	38.94	6,057	462.3	11.05	593.8	80.79	3.46
W 250 x 44.8	266	148	7.6	13	10	57.58	45.2	7,158	538.2	11.15	703.6	95.08	3.496
W 250 x 73.0	253	254	8.6	14.2	12	92.69	72.76	11,260	889.9	11.02	3,880	305.5	6.47
W 250 x 80.0	256	255	9.4	15.6	12	101.9	80.01	12,550	980.4	11.1	4,313	338.3	6.505
W 250 x 89.0	260	256	10.7	17.3	12	113.9	89.43	14,240	1,095	11.18	4,841	378.2	6.518
W 250 x 101.0	264	257	11.9	19.6	12	128.7	101.1	16,350	1,239	11.27	5,549	431.8	6.566
W 250 x 115.0	269	259	13.5	22.1	12	146.1	114.7	18,920	1,407	11.38	6,405	494.6	6.622
W 310 x 21.0	303	101	5.1	5.7	10	27.24	21.39	3,775	249.2	11.77	98.43	19.49	1.901
W 310 x 23.8	305	101	5.6	6.7	10	30.72	24.12	4,345	284.9	11.89	115.7	22.92	1.941
W 310 x 28.3	309	102	6	8.9	10	36.49	28.64	5,500	356	12.28	158.2	31.02	2.082
W 310 x 32.7	313	102	6.6	10.8	10	42.12	33.07	6,570	419.8	12.49	192	37.65	2.135
W 310 x 38.7	310	165	5.8	9.7	10	49.72	39.03	8,581	553.6	13.14	727	88.12	3.824
W 310 x 44.5	313	166	6.6	11.2	10	57.22	44.92	9,996	638.8	13.22	854.9	103	3.865
W 310 x 52.0	317	167	7.6	13.2	10	67.03	52.62	11,910	751.4	13.33	1,026	122.9	3.912
W 310 x 97.0	308	305	9.9	15.4	16	123.6	97.01	22,280	1,447	13.43	7,286	477.8	7.679
W 310 x 107.0	311	306	10.9	17	16	136.4	107.1	24,840	1,597	13.49	8,123	530.9	7.716
W 310 x 117.0	314	307	11.9	18.7	16	149.9	117.7	27,560	1,756	13.56	9,024	587.9	7.758
W 360 x 32.9	349	127	5.8	8.5	12	42.08	33.03	8,358	478.9	14.09	291.2	45.85	2.63
W 360 x 39.0	353	128	6.5	10.7	12	50.18	39.39	10,330	585.3	14.35	375.2	58.63	2.735
W 360 x 44.6	352	171	6.9	9.8	12	57.69	45.28	12,260	696.4	14.58	818.1	95.69	3.766
W 360 x 51.0	355	171	7.2	11.6	12	64.8	50.87	14,220	801.2	14.81	968.3	113.3	3.866
W 360 x 58.0	358	172	7.9	13.1	12	72.51	56.92	16,140	901.8	14.92	1,113	129.4	3.918
W 410 x 38.8	399	140	6.4	8.8	12	50.29	39.47	12,780	640.4	15.94	403.8	57.68	2.834
W 410 x 46.1	403	140	7	11.2	12	59.24	46.5	15,690	778.6	16.27	513.8	73.41	2.945
W 410 x 53.0	403	177	7.5	10.9	12	68.41	53.7	18,730	929.7	16.55	1,009	114	3.841
W 410 x 60.0	407	178	7.7	12.8	12	76.17	59.79	21,710	1,067	16.88	1,205	135.4	3.978
W 410 x 67.0	410	179	8.8	14.4	12	86.33	67.77	24,680	1,204	16.91	1,379	154.1	3.997
W 410 x 75.0	413	180	9.7	16	12	95.79	75.2	27,610	1,337	16.98	1,559	173.2	4.034
W 410 x 85.0	417	181	10.9	18.2	12	108.6	85.26	31,660	1,518	17.07	1,804	199.3	4.075
W 460 x 52.0	450	152	7.6	10.8	12	66.63	52.3	21,370	949.7	17.91	634.3	83.46	3.085
W 460 x 60.0	455	153	8	13.3	12	76.21	59.82	25,650	1,128	18.35	796.4	104.1	3.233
W 460 x 68.0	459	154	9.1	15.4	12	87.63	68.79	29,850	1,301	18.46	940.8	122.2	3.277
W 460 x 74.0	457	190	9	14.5	12	94.86	74.46	33,410	1,462	18.77	1,661	174.8	4.184
W 460 x 82.0	460	191	9.9	16	12	104.7	82.21	37,160	1,615	18.84	1,862	195	4.217
W 460 x 89.0	463	192	10.5	17.7	12	114.1	89.57	41,100	1,776	18.98	2,093	218	4.283
W 460 x 97.0	466	193	11.4	19	12	123.4	96.84	44,660	1,917	19.03	2,283	236.6	4.302
W 460 x 106.0	469	194	12.6	20.6	12	135.1	106	48,980	2,089	19.04	2,515	259.3	4.315
W 530 x 66.0	525	165	8.9	11.4	12	83.55	65.59	34,970	1,332	20.46	857.1	103.9	3.203
W 530 x 74.0	529	166	9.7	13.6	12	95.06	74.62	40,970	1,549	20.76	1,041	125.5	3.31
W 530 x 82.0	528	209	9.5	13.3	12	104.5	82	47,570	1,802	21.34	2,028	194.1	4.406
W 530 x 85.0	535	166	10.3	16.5	12	107.7	84.56	48,450	1,811	21.21	1,263	152.2	3.425
W 530 x 92.0	533	209	10.2	15.6	12	117.6	92.34	55,160	2,070	21.65	2,379	227.6	4.497
W 530 x 101.0	537	210	10.9	17.4	16	130	102.1	62,200	2,316	21.87	2,693	256.5	4.551
W 530 x 109.0	539	211	11.6	18.8	16	139.7	109.7	67,220	2,494	21.94	2,952	279.8	4.597
W 610 x 101.0	603	228	10.5	14.9	16	130.3	102.3	77,000	2,554	24.31	2,951	258.8	4.758
W 610 x 113.0	608	228	11.2	17.3	16	145.3	114.1	88,190	2,901	24.64	3,426	300.5	4.856
W 610 x 125.0	612	229	11.9	19.6	16	160.1	125.7	99,180	3,241	24.89	3,933	343.5	4.956
W 610 x 140.0	617	230	13.1	22.2	16	179.3	140.8	112,600	3,650	25.06	4,515	392.6	5.018
W 610 x 155.0	611	324	12.7	19	16	198.1	155.5	129,600	4,242	25.58	10,780	665.6	7.378
W 610 x 174.0	616	325	14	21.6	16	222.8	174.9	147,800	4,797	25.75	12,370	761.5	7.453

Dimensions in millimetres unless stated. Select a row to load its CAD files above.

W beam designation: depth and mass

A metric W section is named by its nominal depth in millimetres and its nominal mass per metre: W 310 x 38.7 is about 310 mm deep and weighs about 38.7 kg/m. The nominal mass is a name, not a measured value. The weight per metre G in the table is calculated from the actual area of the section with a steel density of 7,850 kg/m³, which is why it can be slightly higher: 39.03 kg/m for the W 310 x 38.7.

The same sections are also made with inch designations in the United States; this page uses the metric names of the range rolled in Brazil.

W section dimensions and properties

Depth, flange width and the web and flange thicknesses are confirmed by at least two independent catalogues. ASTM A6 does not fix the root radius between web and flange, and each mill uses its own; the model uses the radius of the Brazilian range, derived from the flat web height that its catalogue publishes. Area and second moments of area are calculated on that section and agree with the mill catalogue within 1 %. The STEP file is a 1,000 mm length; the DXF and DWG hold the section at 1:1.

For the European sections of similar size, see IPE and HEA.

W beams: common questions

What are the dimensions of a W 200 x 19.3?: 203 mm deep and 102 mm wide, with a 5.8 mm web and 6.5 mm flanges. Its area is 25.14 cm², so it weighs 19.73 kg per metre.
Is a W beam the same as an IPE?: No. Both are I-sections with parallel flanges, but the W series follows ASTM A6 with its own set of depths and weights, while IPE follows the European standard EN 10365. Sizes and properties do not match one to one.

Sources the dimensions were checked against (3)