INTRODUCTION:

I Beam:

 Size10#70#

 Material Q235, Q345, S235JR, S355JR,St37
 Surface finishing black or galvanized
 Application framework,,steel structure,machinery, bridge.

STEEL I BEAM:

Size	H(mm)	Tolerance (mm)	B(mm)	Tolerance  (mm)	Thickness (mm)	Tolerance (mm)	Weight (kg/m)
8#	80	2.0	50	2.0	4.5	0.5	7.520
10#	100	2.0	68	2.0	4.5	0.5	11.261
12#	120	2.0	74	2.0	5.0	0.5	13.987
14#	140	2.0	80	2.0	5.5	0.5	16.890
16#	160	2.0	88	2.5	6.0	0.5	20.513
18#	180	2.0	94	2.5	6.5	0.5	24.143
20A	200	3.0	100	3.0	7.0	0.7	27.929
20B	200	3.0	102	3.0	9.0	0.7	31.069
22A	220	3.0	110	3.0	7.5	0.7	33.070
22B	220	3.0	112	3.0	9.5	0.7	36.524
25A	250	3.0	116	3.0	8.0	0.7	38.050
25B	250	3.0	118	3.0	10.0	0.7	42.030
28A	280	3.0	122	3.0	8.5	0.7	43.492
28B	280	3.0	124	3.0	10.5	0.7	47.888
30A	300	3.0	126	3.0	9.0	0.7	48.084
30B	300	3.0	128	3.0	11	0.7	52.794