X1CrNiMoCuN 20-18-7 1.4547 - EN 10250-4-1999

Grade	X1CrNiMoCuN 20-18-7
European Standard Steel Grade	1.4547
Corresponding Standard	EN 10250-4-1999
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance

X1CrNiMoCuN 20-18-7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	19.5	17.5	0.5	6	0.18
Maximum Value	0.02	0.7	1	0.03	0.01	20.5	18.5	1	7	0.25

X1CrNiMoCuN 20-18-7 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≤250*	650~850	≥300	≥30	≥100
t≤250**	650~850	≥300	≥30	≥60

1 Approximate Comparison Table

China		Japan	United States		International Organization for Standardization	European Standard		Sweden
GB	ISC	JIS	ASTM	UNS	ISO	EN	Numerical Grade	SS
015Cr20Ni18Mo6CuN	S31252	SUS 312L	S31254	S31254	X1CrNiMoN 20-18-7 X1CrNiMoCuN20-18-7	X1CrNiMoCuN 20-18-7	1.4547	254SMO

2 Approximate Comparison Table

X1CrNiMoCuN20-18-7 Corresponding Standards(Same grade name, different standards)

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