Q-BQB 310 QStE380TM automobile structural plates and sheets

Q-BQB 310 QStE380TM material is a hot rolled steel plate and sheets for automobile structural use. It has good cold formability. In order to improve the performance of the steel, other alloying elements can be added as required. One or more alloy elements of Nb, V, Ti can be added to steel, but Nb+V+Ti ≤0.22.
Material: QStE380TM
Standard: Q-BQB 310-2009
Category: hot rolled steel plates, strips and sheets for automobile structural use
Chemical composition(%) of QStE380TM steel table 1

C max	Si max.	Mn max.	P max.	S max.	Alt min.	Other
0.12	0.50	1.40	0.030	0.025	0.015	Nb ≤0.09; V≤0.20; Ti≤0.15

Mechanical properties of QStE380TM steel table 2

Yield Strength (MPa) min.	Tensile Strength (MPa)	Elongation % min.
-	-	t<3mm	3mm≤t
380	450-590	18	23

QStE380TM steel equivalent

SEW092:95	Q-BQB 310-2009
QStE380TM	QStE380TM

 
Our QStE380TM steel plates and sheets 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 QStE380TM steel sheets and strips 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.