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Grade X1NiCrMoCuN25-20-7
Germany W-Nr. 1.4529
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
X1NiCrMoCuN25-20-7 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 19 24 0.5 6 0.15
Maximum Value 0.02 0.5 1 0.03 0.01 21 26 1.5 7 0.25
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.
X1NiCrMoCuN25-20-7 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 650~850 ≥300 (long.)
≥40		 ≤250 (long.)
≥100
Bar, rod, wire, section, bright products; 160<d≤250 +AT 650~850 ≥300 (tr.)
≥30		 ≤250 (tr.)
≥60
Cold drawn, precision bar; d≤10 +AT 700~1150 ≥550 (long.)
≥15
Cold drawn, precision bar; 10<d≤16 +AT 700~1150 ≥550 ≥15
Cold drawn, precision bar; 16<d≤40 +AT 650~1050 ≥300 ≥30 (long.)
≥100
Cold drawn, precision bar; 40<d≤63 +AT 650~900 ≥300 ≥30 ≥100
Cold drawn, precision bar; 63<d≤160 +AT 650~850 ≥300 ≥40 ≥100
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 Austenitic Stainless Steel
China United States International Organization for Standardization Germany European Standard
GB Commercial Grade UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN Numerical Grade
25-6Mo Incoloy926 N08926 X1NiCrMoCuN25-20-7 4529-089-26-I X1NiCrMoCuN25-20-7 1.4529 X1NiCrMoCuN25-20-7 1.4529
X1NiCrMoCuN25-20-7 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X1NiCrMoCuN 25-20-7 1.4529
2 EN 10253-4-2003
X1NiCrMoCuN25-20-7 1.4529
3 ISO TS 15510-2003
X1NiCrMoCuN25-20-7
4 EN 10088-2-2005
X1NiCrMoCuN25-20-7 1.4529
5 EN 10088-3-2005
X1NiCrMoCuN 25-20-7 1.4529
6 EN 10088-3-2014
X1NiCrMoCuN25-20-7 1.4529
7 ISO 15510-2014
X1NiCrMoCuN25-20-7 4529-089-26-I
8 ISO 9328-7-2018
X1NiCrMoCuN25-20-7
9 DIN EN 10088-3-2014
X1NiCrMoCuN25-20-7 1.4529
10 NF EN 10088-2-2005
X1NiCrMoCuN25-20-7 1.4529
11 NF EN 10088-1-2005
X1NiCrMoCuN25-20-7 1.4529
12 NF EN 10028-7-2008
X1NiCrMoCuN25-20-7 1.4529
13 NF EN 10028-7-2000
X1NiCrMoCuN25-20-7 1.4529
14 EN 10272-2016
X1NiCrMoCuN25-20-7 1.4529

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