Long products - Beams - Wide flange beams - HE - S355 - 2. Effective section properties

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Section designation		Gross area	S355				S460
			Classification		Effective area	A_eff / A	Classification		Effective area	A_eff / A
		A			A_eff				A_eff
		cm²			cm²				cm²
HE 1000 x 438	+	556	Not Class 4		556	1.000	Class 4	W	539	0.970
HE 1000 x 415	+	529	Not Class 4		529	1.000	Class 4	W	508	0.961
HE 1000 x 393	+	500	Class 4	W	488	0.976	Class 4	W	473	0.947
HE 1000 M		444	Class 4	W	417	0.939	Class 4	W	405	0.911
HE 1000 B		400	Class 4	W	366	0.915	Class 4	W	355	0.887
HE 1000 A		347	Class 4	W	306	0.883	Class 4	W	297	0.856
HE 1000 x 249		317	Class 4	W	276	0.872	Class 4	W	267	0.843
HE 1000 AA		282	Class 4	W	241	0.852	Class 4	W	232	0.821
HE 900 M		424	Class 4	W	410	0.969	Class 4	W	399	0.943
HE 900 B		371	Class 4	W	350	0.941	Class 4	W	340	0.915
HE 900 A		320	Class 4	W	292	0.910	Class 4	W	283	0.884
HE 900 AA		252	Class 4	W	221	0.876	Class 4	W	213	0.846
HE 800 M		404	Not Class 4		404	1.000	Class 4	W	394	0.974
HE 800 B		334	Class 4	W	321	0.962	Class 4	W	313	0.937
HE 800 A		286	Class 4	W	266	0.931	Class 4	W	259	0.907
HE 800 AA		218	Class 4	W	196	0.899	Class 4	W	190	0.870
HE 700 B		306	Not Class 4		306	1.000	Class 4	W	295	0.964
HE 700 A		260	Class 4	W	249	0.957	Class 4	W	244	0.935
HE 700 AA		191	Class 4	W	176	0.923	Class 4	W	171	0.896
HE 650 B		286	Not Class 4		286	1.000	Class 4	W	278	0.971
HE 650 A		242	Class 4	W	233	0.963	Class 4	W	228	0.942
HE 650 AA		176	Class 4	W	164	0.933	Class 4	W	159	0.906
HE 600 B		270	Not Class 4		270	1.000	Class 4	W	265	0.983
HE 600 A		226	Class 4	W	221	0.974	Class 4	W	216	0.955
HE 600 AA		164	Class 4	W	156	0.948	Class 4	W	151	0.922
HE 550 A		212	Class 4	W	209	0.986	Class 4	W	205	0.968
HE 550 AA		153	Class 4	W	147	0.964	Class 4	W	144	0.939
HE 500 A		198	Not Class 4		198	1.000	Class 4	W	194	0.981
HE 500 AA		137	Class 4	W	133	0.971	Class 4	W	130	0.949
HE 450 AA		127	Class 4	W	125	0.985	Class 4	W	123	0.966
HE 400 AA		118	Not Class 4		118	1.000	Class 4	W	116	0.982
HE 340 AA		100	Not Class 4		100	1.000	Class 4	F	99.2	0.987
HE 320 AA		94.6	Not Class 4		94.6	1.000	Class 4	F	91.8	0.970
HE 300 AA		88.9	Not Class 4		88.9	1.000	Class 4	F	84.6	0.951
HE 280 AA		78.0	Not Class 4		78.0	1.000	Class 4	F	74.4	0.954
HE 260 AA		69.0	Not Class 4		69.0	1.000	Class 4	F	66.9	0.969
HE 240 AA		60.4	Not Class 4		60.4	1.000	Class 4	F	58.9	0.975
HE 220 AA		51.5	Not Class 4		51.5	1.000	Class 4	F	50.5	0.981

+ HISTAR® yield strengths have been used in calculating capacities for this section

W indicates that the section classification is controlled by the web

Values of A_eff not in bold type are the same as the gross area

Only the sections which can be Class 4 under axial compression are given in the table

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Long products - Beams - Wide flange beams - HE - S355 - 2. Effective section properties