Q BQB310 QStE420TM / QStE460TM steel work / steel structure / steel machining parts

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10-May-2024

Q BQB310 QStE420TM / QStE460TM steel work / steel structure / steel machining parts

QStE420TM / QStE460TM steel are included in the Q BQB310 standard. QStE420TM / QStE460TM steel work / steel structure / steel machining parts are made of QStE420TM / QStE460TM steel raw material. QStE420TM / QStE460TM steel work have high strength, excellent forming and welding performance, suitable for making automobile structure parts, such as vehicle beams and wheels.
For more information about QStE420TM / QStE460TM steel work, please see the following details.

QStE420TM / QStE460TM steel structure chemical composition %

Grade	Chemical Composition a (Heat Analysis) (%)
Grade	C	Si	Mn	P	S	Alt	Others
QStE420TM steel structure	≤0.12	≤0.50	≤1.50	≤0.030	≤0.025	≥0.015	Nb≤0.09 V≤0.20 Ti≤0.15
QStE460TM steel structure	≤0.12	≤0.50	≤1.60	≤0.030	≤0.025	≥0.015	Nb≤0.09 V≤0.20 Ti≤0.15

QStE420TM / QStE460TM steel machining parts Mechanical properties

Grade	Tensile Testa					180°Bending Test b Diameter
	ReH (MPa)	Rm (MPa)	Elongation (%)
			L0=80mm,b=20mm		L0=5.65√S0
			Nominal Thickness(mm)
			<3.0	≥3.0		0.5a
QStE420TM steel machining parts	≥420	480~620	≥16	≥21		1a
QStE420TM steel machining parts	≥460	520~670	≥14	≥19		1a

a: Tensile test specified values apply to longitudinal samples. Tensile test should use sample of L0=50mm, b=25mm, i.e. P14 sample of GB/T 228.

QStE420TM / QStE460TM steel plate available size

Thickness: 3-15mm
Width: 700-2000mm

We keep more than 10000 ton QStE420TM / QStE460TM steel in stock, including QStE420TM / QStE460TM steel plate, QStE420TM / QStE460TM steel pipe, QStE420TM / QStE460TM steel bar, QStE420TM / QStE460TM angle steel and so on .

Base on the QStE420TM / QStE460TM steel stock, we can produce many kinds of QStE420TM / QStE460TM steel structure according to the customer's requirement.

As a QStE420TM / QStE460TM steel structure manufacturer, we can provide the machining service for QStE420TM / QStE460TM steel. We have professional sales team and logistic team, if you have the demand for QStE420TM / QStE460TM steel machining parts, if you want to find the reliable QStE420TM / QStE460TM steel structure exporter, please contact Shanghai KUNFENG!