Grade X2CrNiMoSi 18-5-3
European Standard Steel Grade 1.4424
Corresponding Standard EN 10088-3-2014
Stainless steels-Part 3: Technical delivery condition for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
Classification Duplex Stainless Steel
Properties Corrosion Resistance
Density 7.8 g/cm3
X2CrNiMoSi 18-5-3 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - 1.4 1.2 - - 18 4.5 2.5 0.05
Maximum Value 0.03 2 2 0.035 0.015 19 5.2 3 0.1
X2CrNiMoSi 18-5-3 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≤50 +AT 700~900 ≥150 (long.)
≥25
≤260 (long.)
≥100
Bar, Rod, Wire, Section, Bright Products; 50<d≤160 +AT 680~900 ≥400 ≥25 ≤260 ≥100
Approximate Comparison Table Austenitic-Ferritic Stainless Steel
United States International Organization for Standardization European Standard
UNS ISO Numerical Grade Numerical Grade
S31500 X2CrNiMoSiMnN19-5-3-2-2 4424-315-00-I 1.4424

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