X1NiCrMoCu 31-27-4 1.4563 - EN 10217-7-2021

Grade	X1NiCrMoCu 31-27-4
European Standard Steel Grade	1.4563
Corresponding Standard	EN 10217-7-2021 Part 7: Stainless steel tubes
Classification	Austenitic Stainless Steel

X1NiCrMoCu 31-27-4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	26	30	0.7	3	-
Maximum Value	0.02	0.7	2	0.03	0.01	28	32	1.5	4	0.1

X1NiCrMoCu 31-27-4 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)	500~750	≥215	Rp1.0 ≥245	≥40(l) ≥35(t)	室温 ≥120(l)；≥90(t) -196°C ≥60(t)

• l=longitudinal；t=transverse

• Solution annealing temperature: 1100-1160°C, rapid cooling in water and air.Resistant to intergranular corrosion. Method C in EN ISO 3651-2-1998.

1 Approximate Comparison Table Corrosion-Resistant Alloy

2 Approximate Comparison Table Austenitic Stainless Steel

United States	International Organization for Standardization		European Standard
UNS	ISO	Numerical Grade	EN	Numerical Grade
N08028	X1NiCrMoCu31-27-4	4563-080-28-I	X1NiCrMoCu31-27-4	1.4563

X1NiCrMoCu31-27-4 Corresponding Standards(Same grade name, different standards)

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