S600MC steel plate,S600MC steel sheet

S600MC steel for automobile beams have high strength and gooasxd bending performance, which is suitable for beam parts.

S600MC steel Chemical composition %

Grade	C	Si	Mn	p	S	Al	Nb	V	Ti	Mo
S600MC	≤0.10	≤0..50	≤1.80	≤0.025	≤0.010	≥0.015	≤0.09	≤0.20	≤0.15

S600MC steel Mechanical Properties

Grade	Yield strength (MPa)	Tensile strength (MPa)	Elongation (%)		180 degree cold bend, diameter
			Thickness＜3mm Lo=80mm, b=20mm	Thickness≥3mm L0=5.65√S0
S600MC	≥600	650-820	≥11	≥13	1.5a

Remarks :

Samples for the tensile test are taken in rolling direction. Samples for cold bend test are taken transversely .

S600MC steel size range

Grade	Size (mm)
S600MC	2.5~12.0 ×900~1600

S600MC steel Processing technology :

It should be taken into account during the design that the plasticity and formability of high strength steel for automobile decreases while strength increases. Also, the more springback and distortion should be taken into consideration during the design of die and parts when high strength steels are used. Besides, when High strength steels are sheared, improper shearing gap will cause a bad sheared edge and then cause the cracking during the formation. Poor shearing area will also be the source of fatigue cracking. Die or blade made up of inappropriate material will be easy to wear or even tipping.

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