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Grade 1.4507
European Standard Steel Grade X2CrNiMoCuN25-6-3
Corresponding Standard EN 10253-4-2003
Butt-welding pipe fittings. Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
Classification Duplex Stainless Steel
1.4507 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N
Minimum Value - - - - - 24 5.5 1 2.7 0.15
Maximum Value 0.03 0.7 2 0.035 0.015 26 7.5 2.5 4 0.3
1 Approximate Comparison Table
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
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
1.4507 Corresponding Standards(Same grade name, different standards)
1 EN 10088-1-2005
1.4507 X2CrNiMoCuN 25-6-3
2 EN 10253-4-2003
1.4507 X2CrNiMoCuN25-6-3
3 EN 10250-4-1999
1.4507 X2CrNiMoCuN 25-6-3
4 EN 10088-3-2005
1.4507 X2CrNiMoCuN25-6-3
5 EN 10088-3-2014
1.4507 X2CrNiMoCuN25-6-3
6 DIN EN 10088-3-2014
1.4507 X2CrNiMoCuN25-6-3
7 NF EN 10088-2-2005
1.4507 X2CrNiMoCuN25-6-3
8 NF EN 10088-1-2005
1.4507 X2CrNiMoCuN25-6-3
9 NF EN 10028-7-2008
1.4507 X2CrNiMoCuN25-6-3
10 NF EN 10028-7-2000
1.4507 X2CrNiMoCuN25-6-3
11 EN 10272-2016
1.4507 X2CrNiMoCuN25-6-3

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