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GB/T706-1988 I Beam IPE Beam

Item	Size (mm)						Sectional area	Theoretical quantity
	Size (mm)						(cm2)	(kg/m)
	h	b	d	t	r	r1	(cm2)	(kg/m)
10	100	68	4.5	7.6	6.5	3.4	14.345	11.261
12	120	74	5	8.4	7	3.5	17.818	13.987
12.6	126	74	5	8.4	7	3.5	18.118	14.223
14	140	80	5.5	9.1	7.5	3.8	21.516	16.89
16	160	88	6	9.*9	8	4	26.131	20.513
18	180	94	6.5	10.7	8.5	4.3	30.756	24.143
20a	200	100	7	11.4	9	4.5	35.578	27.927
20b	200	102	9	11.4	9	4.5	39.578	31.069
22a	220	110	7.5	12.3	9.5	4.8	42.128	33.07
22b	220	112	9.5	12.3	9.5	4.8	46.528	36.524
25a	250	116	8	13	10	5	48.541	38.105
25b	250	118	10	13	10	5	53.541	42.03
28a	280	122	8.5	13.7	10.5	5.3	55.404	43.492
28b	280	124	10.5	13.7	10.5	5.3	61.004	47.888
30a	300	126	9	14.4	11	5.5	61.254	48.084
30b	300	128	11	14.4	11	5.5	67.254	52.794
30c	300	130	13	14.4	11	5.5	73.254	57.504
32a	320	130	9.5	15	11.5	5.8	67.516	52.717
32b	320	132	11.5	15	11.5	5.8	73.556	57.741
32c	320	134	13.5	15	11.5	5.8	79.956	62.765
36a	360	136	10	15.8	12	6	76.48	60.037
36b	360	138	12	15.8	12	6	83.68	65.689
36c	360	140	14	15.8	12	6	90.88	71.341
40a	400	142	10.5	16.5	12.5	6.3	86.112	67.598
40b	400	144	12.5	16.5	12.5	6.3	94.112	73.878
40c	400	146	14.5	16.5	12.5	6.3	102.112	80.158
45a	450	150	11.5	18	13.5	6.8	102.112	80.42
45b	450	152	13.5	18	13.5	6.8	111.446	87.458
45c	450	154	15.5	18	13.5	6.8	120.446	94.55
56a	560	166	12.5	21	14.5	7.3	135.435	106.316
56b	560	168	14.5	21	14.5	7.3	146.635	115.108
56c	560	170	16.5	21	14.5	7.3	157.835	123.9
63a	630	176	13	22	15	7.5	154.658	121.407
63b	630	178	15	22	15	7.5	167.258	131.298
63c	630	180	17	22	15	7.5	179.858	141.189

Permissible Deviation of Hot - Rolled I - Steel GB / T706-1988 GB / T706-1988

Iterm	8--14	16--18	20--30	32--40	45--63
Iterm	mm	mm	mm	mm	mm
h	±2.0		±3.0		±4.0
b	±2.0	±2.5	±3.0	±3.5	±4.0
d	±0.5	±0.5	±0.7	±0.8	±0.9
Bending deflection	≤0.15d
normal longths	5-19m		6-19m

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