Grade X2CrNiMoCuWN25-7-4
Germany W-Nr. 1.4501
Corresponding Standard DIN EN 10088-3-2014
Stainless steels – Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
Classification Duplex Stainless Steel
Properties Corrosion Resistance
X2CrNiMoCuWN25-7-4 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
① Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.
X2CrNiMoCuWN25-7-4 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
Bar, rod, wire, section, bright products; d≤160 +AT 730~930 ≥530 (long.)
≥25
≤290 (long.)
≥100
+AT=solution annealed;+A=annealed;+QT = quenched and tempered;+P=precipitation hardening;+C=Cold worked,+Csuffix followed by a number represents the tensile strength grade, i.e., the minimum tensile strength value.
long.=longitudinal;tr.=transverse
d=diameter or thickness;Unit mm
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
3 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China United States Germany
GB Commercial Grade UNS W-Nr.
2507WC F55 S32760 1.4501

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