Grade X2CrNiMoN25-7-4
Germany W-Nr. 1.4410
Corresponding Standard DIN EN 10296-2-2006
Welded Circular Steel Tubes for Mechanical and General Engineering Purposes — Technical Delivery Conditions — Part 2 Stainless Steel
Classification Duplex Stainless Steel
X2CrNiMoN25-7-4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 24 6 3 0.24
Maximum Value 0.03 1 2 0.035 0.015 26 8 4.5 0.35
X2CrNiMoN25-7-4 Mechanical Properties
condition Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Steel pipe: ≥800 Rp0.2:≥550 l:≥15
◎ l=longitudinal, t=transverse
◎ Resistance to intergranular corrosiona: Yes (When tested in accordance with EN ISO3651-2).
1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China Japan United States International Organization for Standardization Germany European Standard
GB ISC JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN Numerical Grade
022Cr25Ni7Mo4N S25073 UR 47N+ 2507 S32750 X2CrNiMoN25-7-4 4410-327-50-E X2CrNiMoN25-7-4 1.4410 X2CrNiMoN25-7-4 1.4410
2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China United States Germany
GB Commercial Grade UNS W-Nr.
2507 F53 S32750 1.4410

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