EN 1.4590 (X2CrNbZr17) Stainless Steel
Ferritic Stainless Steels
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength480MPa
Yield Strength230MPa
Brinell HardnessUnknown
Maximum Service Temperature860°C
Mechanical
A - Min. elongation at fracture (%) (+A)
23
+A
Elastic (Young's, Tensile) Modulus
200 GPa
R p0.2 0.2% proof strength (MPa) (+A)
230
+A
Rm - Tensile strength (MPa) (+A)
400-550
+A
Tensile Strength: Ultimate (UTS)
480 MPa
Tensile Strength: Yield (Proof)
270 MPa
Hardness
+A Soft annealed +AC Annealed to achieve spheroidization of the carbides +AR As rolled +AT Solution annealed +C Cold drawn / hard +CR Cold rolled +FP Treated to ferrite-pearlite structure and hardness range +I Isothermal annealing +LC Cold drawn / soft +M Thermo mechanical rolling +N Normalized +NT Normalized and tempered
+P Precipitation hardened +PE Peeled +QA Air quenched and tempered +QL Liquid quenched and tempered +QT Quenched and tempered +S Treated to improve shearability +SH As rolled and turned +SR Cold drawn and stress relieved +T Tempered +TH Treated to hardness range +WW Warm worked +U Untreated
+A
Thermal
Latent Heat of Fusion
280 J/g
Maximum Temperature: Corrosion
470 °C
Maximum Temperature: Mechanical
860 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
26 W/m-K
Thermal Diffusivity
7.0 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
17 points
Electrical
Electrical Conductivity: Equal Volume
2.9 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.3 % IACS
Calculated
PREN (Pitting Resistance)
17
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
190 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
18 points
Environmental
Base Metal Price
11 % relative
Embodied Carbon
2.5 kg CO 2 /kg material
Embodied Energy
37 MJ/kg 16 x 10 3 BTU/lb
Embodied Water
120 L/kg 14 gal/lb
Registered Designations & Aliases
1.45901.4590EN 1.4590 (X2CrNbZr17) Stainless SteelX2CrNbZr17X2CrNbZr17
Standards
EN 10088-1 EN 10088-1: 2005 Stainless steels. List of stainless steels
EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10088-2 EN 10088-2: 2005 Stainless steels. Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
EN 10088-2 EN 10088-2: Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes EN 10088-1: Stainless steels - Part 1: List of stainless steels Corrosion of Stainless Steels, A. John Sedriks, 1996