Long products - Angles - Unequal leg angles - L - S355 - 2. Effective section properties - For sections subject to axial compression

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l-unequal-dims

Section designation			Gross area	S355
Size	Thickness			Classification	Effective area	A_eff / A
h x b	t		A		A_eff
mm	mm		cm²		cm²
250x90	16.0		52.1	Class 4	40.8	0.784
	14.0		46.0	Class 4	32.3	0.703
	12.0		39.7	Class 4	24.5	0.618
200x100	16.0		45.7	Class 4	42.6	0.933
	15.0		43.0	Class 4	38.2	0.889
	14.0		40.3	Class 4	34.0	0.843
	12.0		34.8	Class 4	25.9	0.745
	10.0		29.2	Class 4	18.7	0.640
150x100	12.0		28.7	Class 4	26.8	0.933
	10.0		24.2	Class 4	19.7	0.812
150x90	12.0		27.5	Class 4	25.7	0.933
	11.0		25.3	Class 4	22.1	0.874
	10.0		23.2	Class 4	18.8	0.812
140x90	12.0		26.3	Class 4	25.8	0.981
	10.0		22.1	Class 4	18.9	0.856
	8.0		17.9	Class 4	12.8	0.717
130x90	10.0		21.2	Class 4	19.2	0.907
120x80	10.0		19.1	Class 4	18.4	0.961
	8.0		15.5	Class 4	12.6	0.812
100x65	8.0		12.7	Class 4	11.9	0.933
	7.0		11.2	Class 4	9.46	0.844

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