Grade X2CrNiMoCuWN 25-7-4
European Standard Steel Grade 1.4501
Corresponding Standard EN 10250-4-1999
Classification Duplex Stainless Steel
Properties Corrosion Resistance
X2CrNiMoCuWN 25-7-4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N W
Minimum Value - - - - - 24 6 0.5 3 0.2 0.5
Maximum Value 0.03 1 1 0.035 0.015 26 8 1 4 0.3 1
X2CrNiMoCuWN 25-7-4 Mechanical Properties
diameter
t
mm
Tensile Strength
σb
Mpa
Yield Point
σs
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 UNS ISO DIN EN/DIN W-Nr. EN Numerical Grade
022Cr25Ni7Mo4WCuN
00Cr23Ni7Mo3.5WCuN*
S27603 SUS329J2L S32760 X2CrNiMoCuWN 25-7-4 X2CrNiMoCuWN 25-7-4 1.4501 X2CrNiMoCuWN 25-7-4 1.4501
2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China Japan United States Germany European Standard
GB JIS UNS DIN EN/DIN W-Nr. EN Numerical Grade
00Cr23Ni7Mo3.5WCuN SUS329J2L S32750
S32760
X2CrNiMoCuWN25-7-4 1.4501 X2CrNiMoCuWN25-7-4 1.4501

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