X2CrNiMoN 25-7-4 1.4410 - EN 10250-4-1999

Grade	X2CrNiMoN 25-7-4
European Standard Steel Grade	1.4410
Corresponding Standard	EN 10250-4-1999 Open die steel forgings for general engineering purposes - Part 4: Stainless steels
Classification	Duplex Stainless Steel
Properties	Corrosion Resistance

X2CrNiMoN 25-7-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	24	6	3	0.2
Maximum Value	0.03	1	2	0.035	0.015	26	8	4.5	0.35

X2CrNiMoN 25-7-4 Mechanical Properties

diameter t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤160*	730~930	≥530	≥25	≥100
t≤160**	730~930	≥530	≥20	≥60

1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel

China		Japan	United States		International Organization for Standardization		Germany		European Standard
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	EN	Numerical Grade
022Cr25Ni7Mo4N	S25073	UR 47N+	2507	S32750	X2CrNiMoN25-7-4	4410-327-50-E	X2CrNiMoN25-7-4	1.4410	X2CrNiMoN25-7-4	1.4410

2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel

X2CrNiMoN25-7-4 Corresponding Standards(Same grade name, different standards)

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