Hot rolled light I-beam [(YB) 163-63]

Hot rolled light I-beam [(YB) 163-63]

H-height; b-leg width; d-waist thickness; t-average leg thickness; r-inner arc radius; r1-leg end arc radius
Model	Size						Sectional area	Theoretical weight
	h	b	d	t	r	R1	Sectional area	Theoretical weight
	(mm)						(cm2)	(kg/m)
10	100	55	4.5	7.2	7.0	2.5	12.0	9.46
12	120	64	4.8	7.3	7.5	3.0	14.7	11.5
14	140	73	4.9	7.5	8.0	3.0	17.4	13.7
16	160	81	5.0	7.8	8.5	3.5	20.2	15
18	180	90	5.1	8.1	6.0	3.5	23.4	18.4
18a	180	100	5.1	8.3	9.0	3.5	25.4	19.9
20	200	100	5.2	8.4	9.5	4.0	26.8	21.0
20a	200	110	5.2	8.6	9.5	4.0	28.9	22.7
twenty two	220	110	5.4	8.7	10.0	4.0	30.6	24.0
22a	220	120	5.4	8.9	10.0	4.0	32.8	25.8
twenty four	240	115	5.6	9.5	10.5	4.0	34.8	27.3
24a	240	125	5.6	9.8	10.5	4.0	37.5	29.4
27	270	125	6.0	9.8	11.0	4.5	40.2	31.5
27a	270	135	6.0	10.2	11.0	4.5	43.2	33.9
30	300	135	6.5	10.2	12.0	5.0	46.5	36.5
30a	300	145	6.5	10.7	12.0	5.0	49.9	39.2
33	330	140	7.0	11.2	13.0	5.0	53.8	42.2
36	360	145	7.5	12.3	14.0	6.0	61.9	48.6
40	400	155	8.0	13.0	15.0	6.0	71.4	56.1
45	450	160	8.6	14.2	16.0	7.0	83.0	65.2
50	500	170	9.5	15.2	17.0	7.0	97.8	76.8
55	550	180	10.3	16.5	18.0	7.0	114	89.8
60	600	190	11.1	17.8	20.0	8.0	132	104
65	650	200	12	19.2	22.0	9.0	153	120
70	700	210	13	20.8	24.0	10.0	176	138
70a	700	210	15	24.0	24.0	10.0	202	158
70b	700	210	17.5	28.2	24.0	10.0	243	184
Note (1) The normal length of light I-beam: 5~19m for 10~18 I-beam; 6~19m for 20-70 I-beam.
(2) Manufacturing steel number: A3, A3F, etc.
(3) Marking example: Ordinary carbon steel type A flat furnace No. 3 boiling steel 240mmX115mmX5.6mm hot-rolled light I-beam is marked as:
Hot rolled light I-beam			240x115x5.6-YB193-93
Hot rolled light I-beam			A3F-YB170-63

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