Q345 carbon steel square bar

Q345 steel square bar                    

 

 

GB	DIN	JIS	ASTM/SAE/AISI
Q235	S235JR	SS400	A36

 

2.Chemical composition                                                                                                                                                   

 

Grade	C	Si	Mn	P	S	Cr	Ni	B
SS400	0.17-0.23	0.17-0.37	0.35-0.65	Max 0.030	Max 0.030	Max  0.25	Max 0.30	0.0008-0.0030

 

3.Quality condition                                                                                                                                                            

 

 

Hardness	Tensile  strength	Yield  strength	elogation:25%   Reduction  of  area	AKV(impact  value)
156HB	410MPA	245MPA	55%	54J

4.Size tolerances(hot-rolled steel round bar or square bar)                                 

 

d/a(mm)	5.5-7	7-20	20-30	30-50	50-80	80-110	110-150	150-190	190-250
(mm)	+0.30 -0.30	+0.35 -0.35	+0.40 -0.40	+0.50 -0.50	+0.70 -0.70	+1.0 -1.0	+1.3 -1.3	+2.0 -2.0	+2.5 -2.5

 

5.Packaging                                                                                                                        

1): Paint oil on the surface to protect steel bars from rusting.

2): Bundle packing by Iron Strips.

3): Bundle weight is from 2mt to 3 mt.

4): Two or three tags will be attached on each bundle. In general, at one end of each bar, tags w

 

 

 

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Product Categories : Carbon / Alloy Steel Profile > Carbon / Alloy Steel Square Bar