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Grade X2CrNiMoCuN25-6-3
European Standard Steel Grade 1.4507
Corresponding Standard EN 10028-7-2016
Flat Products Made of Steels for Pressure Purposes - Part 7: Stainless Steels
Classification Duplex Stainless Steel
X2CrNiMoCuN25-6-3 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 24 6 1 3 0.2
Maximum Value 0.03 0.7 2 0.035 0.015 26 8 2.5 4 0.3
X2CrNiMoCuN25-6-3 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
C：T ≤ 8 +AT 690~940 B＜300mm
long.: ≥495
B≥300mm
tr.：≥510		 long.+tr
T＜3mm, A80①: ≥20
T≥3mm, A②: ≥20		 20°C
long.: ≥150
tr.: ≥90
-40°C
tr.: ≥40
H：T ≤ 13.5 +AT 690~940 B＜300mm
long.: ≥475
B≥300mm
tr.：≥490		 long.+tr
T＜3mm, A80①: ≥20
T≥3mm, A②: ≥20		 20°C
long.: ≥150
tr.: ≥90
-40°C
tr.: ≥40
P：T ≤ 50 +AT 690~890 B＜300mm
long.: ≥475
B≥300mm
tr.：≥490		 long.+tr
T＜3mm, A80①: ≥25
T≥3mm, A②: ≥25		 20°C
long.: ≥150
tr.: ≥90
-40°C
tr.: ≥40
• C=cold rolled strip；H=hot rolled strip；P=hot rolled plate
• +A=Annealed；+AT=Solution annealed
• B=width；T=thick
1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
03Cr25Ni6Mo3Cu2N S25554 329J4L SUS 329J4L STS 329J4L 255 S32550 X2CrNiMoCuN 25-6-3 X2CrNiMoCuN 25-6-3 1.4507 X2CrNiMoCuN 25-6-3 X2CrNiMoCuN 25-6-3 1.4507
2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China United States International Organization for Standardization European Standard
ISC UNS ISO Numerical Grade Numerical Grade
S25554 S32550 X3CrNiMoCuN26-6-3-2 4507-325-50-X 1.4507
X2CrNiMoCuN25-6-3 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
X2CrNiMoCuN 25-6-3 1.4507
2 EN 10253-4-2003
X2CrNiMoCuN25-6-3 1.4507
3 EN 10250-4-1999
X2CrNiMoCuN 25-6-3 1.4507
4 ISO TS 15510-2003
X2CrNiMoCuN25-6-3
5 EN 10088-3-2005
X2CrNiMoCuN25-6-3 1.4507
6 EN 10088-3-2014
X2CrNiMoCuN25-6-3 1.4507
7 ISO 15510-2014
X2CrNiMoCuN25-6-3 4507-325-20-I
8 ISO 9328-7-2018
X2CrNiMoCuN25-6-3
9 DIN EN 10088-3-2014
X2CrNiMoCuN25-6-3 1.4507
10 NF EN 10088-2-2005
X2CrNiMoCuN25-6-3 1.4507
11 NF EN 10088-1-2005
X2CrNiMoCuN25-6-3 1.4507
12 NF EN 10028-7-2008
X2CrNiMoCuN25-6-3 1.4507
13 NF EN 10028-7-2000
X2CrNiMoCuN25-6-3 1.4507
14 EN 10272-2016
X2CrNiMoCuN25-6-3 1.4507
15 EN 10088-2-2024
X2CrNiMoCuN25-6-3 1.4507
16 EN 10028-7-2016
X2CrNiMoCuN25-6-3 1.4507

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