B650L steel,B650L steel plate

B650L steel for automobile beams have high strength and good bending performance, which is suitable for beam parts.

B650L steel Chemical composition %

Grade	C	Si	Mn	p	S	Al	Nb	V	Ti	Mo
B650L	≤0.10	≤0..50	≤2.00	≤0.025	≤0.010	≥0.015	≤0.09	≤0.20	≤0.15

B650L 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
B650L	≥650	700-880	≥10	≥12	2.0a

B650L steel Processing:

Wheel is made up of the rim and the disk. The main processing technique for rim is roll forming. Punch forming and spin forming are usually applied for disc. Punch forming is mainly used for disc of passenger cars, while disc of commercial cars are usually punch-formed (wigh inner tire) or spin-formed (without inner tire).

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