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Grade X1NiCrMoCu25-20-5
Germany W-Nr. 1.4539
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 Austenitic Stainless Steel
Properties Corrosion Resistance
X1NiCrMoCu25-20-5 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
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.
X1NiCrMoCu25-20-5 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 530~730 ≥230 (long.)
≥35		 ≤230 (long.)
≥100
Bar, rod, wire, section, bright products; 160<d≤250 +AT 530~730 ≥230 (tr.)
≥30		 ≤230 (tr.)
≥60
Cold drawn, precision bar; d≤10 +AT 600~930 ≥400 (long.)
≥20
Cold drawn, precision bar; 10<d≤16 +AT 600~930 ≥400 ≥20
Cold drawn, precision bar; 16<d≤40 +AT 530~880 ≥230 ≥25 (long.)
≥100
Cold drawn, precision bar; 40<d≤63 +AT 530~880 ≥230 ≥25 ≥100
Cold drawn, precision bar; 63<d≤160 +AT 530~730 ≥230 ≥35 ≥100
Cold Drawn, Precision Finished Bars; 160<d≤250 +AT 530~730 ≥230 (tr.)
≥30		 (tr.)
≥60
Cold drawn wire; d≥0.05 +C500 500~700
Cold drawn wire; d≥0.05 +C600 600~800
Cold drawn wire; d≥0.05 +C700 700~900
Cold drawn wire; d≥0.05 +C800 800~1000
Cold drawn wire; d≥0.05 +C900 900~1100
Cold drawn wire; d≥0.05 +C1000 1000~1250
Cold drawn wire; d≥0.05 +C1100 1100~1350
Cold drawn wire; d≥0.05 +C1200 1200~1450
Cold drawn wire; d≥0.05 +C1400 1400~1700
Cold drawn wire; d≥0.05 +C1600 1600~1900
Cold drawn wire; d≥0.05 +C1800 1800~2100
Cold drawn wire; 0.05<d≤0.1 +AT ≤1100 (long.)
≥20
Cold drawn wire; 0.1<d≤0.2 +AT ≤1050 ≥20
Cold drawn wire; 0.2<d≤0.5 +AT ≤1000 ≥30
Cold drawn wire; 0.5<d≤1 +AT ≤950 ≥30
Cold drawn wire; 1<d≤3 +AT ≤900 ≥30
Cold drawn wire; 3<d≤5 +AT ≤850 ≥35
Cold-drawn wire; 5<d≤16 +AT ≤800 ≥35
+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
Approximate Comparison Table
China Japan United States Germany
GB JIS UNS W-Nr.
00Cr20Ni25Mo4.5Cu2N SUS904L S39042 1.4539
X1NiCrMoCu25-20-5 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X1NiCrMoCu 25-20-5 1.4539
2 EN 10296-2-2005
X1NiCrMoCu25-20-5 1.4539
3 EN 10253-4-2003
X1NiCrMoCu25-20-5 1.4539
4 EN 10250-4-1999
X1NiCrMoCu 25-20-5 1.4539
5 ISO TS 15510-2003
X1NiCrMoCu25-20-5
6 EN 10088-3-2005
X1NiCrMoCu 25-20-5 1.4539
7 EN 10088-3-2014
X1NiCrMoCu25-20-5 1.4539
8 ISO 15510-2014
X1NiCrMoCu25-20-5 4539-089-04-I
9 ISO 9328-7-2018
X1NiCrMoCu25-20-5
10 DIN EN 10088-3-2014
X1NiCrMoCu25-20-5 1.4539
11 DIN EN 10270-3-2012
X1NiCrMoCu25- 20-5 1.4539
12 ISO 683-18-2014
X1NiCrMoCu25-20-5 4539-089-04-I
13 NF EN 10088-2-2005
X1NiCrMoCu25-20-5 1.4539
14 NF EN 10088-1-2005
X1NiCrMoCu25-20-5 1.4539
15 NF EN 10028-7-2008
X1NiCrMoCu25-20-5 1.4539
16 NF EN 10296-2-2005
X1NiCrMoCu25-20-5 1.4539
17 NF EN 10028-7-2000
X1NiCrMoCu25-20-5 1.4539
18 DIN EN 10296-2-2006
X1NiCrMoCu25-20-5 1.4539

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