Automotive steel grade QStE420TM

QStE420TM steel under Q-BQB 310-2009 standard is a Chinese automotive structural steel with good cold formability. For applications requiring good cold formability and have a higher or high strength requirements of automobile frames, beams and other autom

QStE420TM steel under Q-BQB 310-2009 standard is a Chinese automotive structural steel with good cold formability. For applications requiring good cold formability and have a higher or high strength requirements of automobile frames, beams and other automotive structural parts.

QStE420TM steel available size:
Thickness: 1.2-15mm
Width: 700-2000mm
Shapes: plates, sheets, coils

QStE420TM steel chemical composition

Grade	C max	Si max	Mn max	P max	S max	AL max	Nb max	V max	Ti max
QStE420TM	0.12	0.50	1.60	0.025	0.015	0.015	0.09	0.20	0.15

QStE420TM steel mechanical properties

ReH	Rm	Elongation (%)
(MPa)	(MPa)	L0=80mm,b=20mm		L0=5.65√S0
-	-	Nominal Thickness(mm)
-	-	<3.0	≥3.0
≥420	480~620	≥16	≥21

How to choose the auto steel material?
It really depends on your needs. Are you just going to laser cut some metal parts? Do you want to bend the details afterwards? What kind of coating is necessary for the conditions? What kind of load does it carry?
For QStE420TM steel stock or price, welcome to contact us for instant quotation.