E 550 E - ISO 4950-3-1995

Grade	E 550 E
Corresponding Standard	ISO 4950-3-1995 High yield strength flat steel products - Products supplied in the heat-treated(quenched+tempered) condition
Classification	Carbon Steel

E 550 E Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^①	Ni ^①	Cu ^①	Mo ^①	N ^①	Ti ^①②	V ^①②③	Nb ^①②	Zr ^①②	B ^①	Al ^②
Minimum Value	-	0.1	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.2	0.8	1.7	0.03	0.03	2	2	1.5	1	0.02	0.2	0.1	0.06	0.15	0.005	0.02

E 550 E Mechanical Properties

Thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤50	650~830	≥550	≥16	-50℃ ≥27
50＜t≤70	650~830	≥530	≥16	≥27

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!