Product Details

Delivery Time:7 days
Certification:SGS,ISO

Q195 Q235 Q345 low carbon steel round bar ISO, IQNet certificate

Q195 Q235 Q345 steel round bar
DIA:20mm~420mm
Length:6-11m
ISO, IQNet certificate
Supply quality certificate

1. high quality round steel bar:

Article:	high quality round steel bar
Grade:	S45CB, S20CB, 20Cr, 45Cr, SCM440, SCM420 as customized
Size:	16-310mm
Length:	5.8m/6m fixed length, or as customized
MOQ:	25MT per size
Remark:	Chamfering and straightness
Packing:	Around 3MT per bundle, in bulk or container

2. Chemical Composition:

Grade	C	Si	Mn	Cr	Mo	P	S	B
SCM440	0.4-0.45	0.1-0.3	0.65-0.80	0.9-1.1	0.15-0.25	Max.0.025	Max.0.025
SCM420	0.18-0.23	0.15-0.35	0.60-0.85	0.9-1.2	0.15-0.30	Max. 0.03	Max. 0.015
S45CB	0.43-0.50	0.15-0.30	0.60-0.90			Max. 0.035	Max. 0.035	0.001-0.004

3. Aplication :

Hot rolled round steel bars are widely used in machinery making, autombile making, railway, mine machinery, petoleum machinry, agricultural machinery and civil archtectue such as all kinds of shafts, screws, connecting rods, hardware tools, gears, standard parts, spanners fasteners, structural parts for automobile and agricultural machinery, outer and iner sleeves, rollers and balls for bearing making.

4. Processing flow of hot rolled round steel bars:

Sintering

blast furnace

RH pretreatment of hot metal

metal mixer

converter

LF refining

billet continuous casting machine

heating furnace

rolling

finishing

test

finished products