Q-BQB 310-2009 QStE500TM automobile structural plates and coils

Q-BQB 310 QStE500TM material is a Chinese automobile structure steel grade. It is often produced in hot rolled condition. QStE500TM hot-rolled steel for cold forming used for automotive structural parts such as automobile frames, which requires excellent cold forming performance and high-strength.
Material: QStE500TM
Standard: Q-BQB 310-2009
Category: hot rolled steel plates, strips and sheets for automobile structural use
Chemical composition(%) of QStE500TM steel table 1

Grade	C max	Si max.	Mn max.	P max.	S max.	Alt min.	Other
QStE500TM	0.12	0.50	1.70	0.030	0.025	0.015	Nb ≤0.09; V≤0.20; Ti≤0.15

Mechanical properties of QStE500TM steel table 2

Yield Strength (MPa) min.	Tensile Strength (MPa)	Elongation % min.
-	-	t<3mm	3mm≤t
500	550-700	12	17

QStE500TM steel equivalent

EN 10149	Q-BQB 310-2009	ISO	UNI
S500MC (1.0984)	QStE500TM	FeE490	FeE490TM

 
Our QStE500TM steel plates and coils are in large stock each month. We can supply various sizes and shapes according to our customer’s request. Based on these stock source, our advantage industry spread into steel process like: cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.
 
For application, Q-BQB 310-2009 QStE500TM steel sheets and coils have good cold forming ability. They are suitable for automobile structural parts such as automobile beams, beams, etc. that require good cold forming properties and have high or high strength requirements.