X1NiCrMoCu 25-20-5 1.4539 - EN 10217-7-2021

Grade	X1NiCrMoCu 25-20-5
European Standard Steel Grade	1.4539
Corresponding Standard	EN 10217-7-2021 Part 7: Stainless steel tubes
Classification	Austenitic Stainless Steel

X1NiCrMoCu 25-20-5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	19	24	1.2	4	-
Maximum Value	0.02	0.7	2	0.03	0.01	21	26	2	5	0.15

X1NiCrMoCu 25-20-5 Mechanical Properties

wall thickness T mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
T≤60	Solution annealing (+AT)	520~720	≥220	Rp1.0 ≥250	≥35(l) ≥30(t)	室温 ≥120(l)；≥90(t) -196°C ≥60(t)

• l=longitudinal；t=transverse

• Solution annealing temperature: 1100-1150°C, rapid cooling in water and air.Resistant to intergranular corrosion. Method C in EN ISO 3651-2-1998.

Approximate Comparison Table Austenitic Stainless Steel

China		Japan	United States		International Organization for Standardization		France	European Standard		Sweden	United Kingdom
GB	ISC	JIS	ASTM/AISI	UNS	ISO	Numerical Grade	NF EN/NF	EN	Numerical Grade	SS	BS EN/BS
015Cr21Ni26Mo5Cu2	S31782	SUS 890L	904L	N08904	X1NiCrMoCu25-20-5	4539-089-04-I	Z2NCDU25-20	X1NiCrMoCu25-20-5	1.4539	2562	904S13

X1NiCrMoCu25-20-5 Corresponding Standards(Same grade name, different standards)

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