X33CrNiMnN23-8 1.4866 - EN 10090-1998

Grade	X33CrNiMnN23-8
European Standard Steel Grade	1.4866
Corresponding Standard	EN 10090-1998 Valve steels and alloys for internal combustion engines
Classification	Alloy Steel
Properties	Corrosion Resistance

X33CrNiMnN23-8 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N	W
Minimum Value	0.28	0.5	1.5	-	-	22	7	-	0.25	-
Maximum Value	0.38	1	3.5	0.045	0.03	24	9	0.5	0.35	0.5

X33CrNiMnN23-8 Mechanical Properties

condition	Test Temperature	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
Steel	Room Temperature	Controlled cooled	≈1250				≤360
Steel	Room Temperature	Quenched at 1000°C to 1100°C	≈1200				≤360
Steel d≤40	Room Temperature	+AT +P	850~1100	≥550	≥20	≥30	HRC≥25*
Steel		+AT +P	≥600	≥270
Steel			≥570	≥250
Steel			≥530	≥220
Steel			≥470	≥210
Steel			≥400	≥190
Steel			≥340	≥180
Steel			≥280	≥170

Approximate Comparison Table Austenitic Heat-Resistant Steel

China	United States	International Organization for Standardization	European Standard
GB	SAE	ISO	EN	Numerical Grade
33Cr23Ni8Mn3N 23-8N	EV16	X33CrNiMnN 23-8	X33CrNiMnN 23-8	1.4866

X33CrNiMnN23-8 Corresponding Standards(Same grade name, different standards)

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