X1NiMoCuN 25-20-7 1.4529 - EN 10250-4-1999

Grade	X1NiMoCuN 25-20-7
European Standard Steel Grade	1.4529
Corresponding Standard	EN 10250-4-1999 Open die steel forgings for general engineering purposes - Part 4: Stainless steels
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance

X1NiMoCuN 25-20-7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	19	24	6	0.15
Maximum Value	0.02	0.5	1	0.03	0.01	21	26	7	0.25

X1NiMoCuN 25-20-7 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	≥35	≥100
t≤250**	650~850	≥300	≥35	≥60

1 Approximate Comparison Table Austenitic Stainless Steel

China	United States		International Organization for Standardization		Germany		European Standard
GB	Commercial Grade	UNS	ISO	Numerical Grade	DIN EN/DIN	W-Nr.	EN	Numerical Grade
25-6Mo	Incoloy926	N08926	X1NiCrMoCuN25-20-7	4529-089-26-I	X1NiCrMoCuN25-20-7	1.4529	X1NiCrMoCuN25-20-7	1.4529

2 Approximate Comparison Table Austenitic Stainless Steel

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