EN 1.4578 (X3CrNiCuMo17-11-3-2) Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.9g/cm³
Elastic Modulus200GPa
Tensile Strength550MPa
Yield Strength175MPa
Brinell Hardness215HB
Maximum Service Temperature930°C
Mechanical
A - Min. elongation at fracture (%) (+A)
45
+A
Elastic (Young's, Tensile) Modulus
200 GPa
Impact Strength: V-Notched Charpy
90 J
R p0.2 0.2% proof strength (MPa) (+A)
175
+A
Rm - Tensile strength (MPa) (+A)
450-650
+A
Rm - Tensile strength (MPa) (+AT+C)
720-760
+AT
Tensile Strength: Ultimate (UTS)
550 MPa
Tensile Strength: Yield (Proof)
200 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
Brinell hardness (HB): (+A)
215
+A
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
410 °C
Maximum Temperature: Mechanical
930 °C
Melting Completion (Liquidus)
1430 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
14 W/m-K
Thermal Diffusivity
3.9 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
2.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.6 % IACS
Other
Nominal diameter (mm):
2 - 50
Z - Reduction in cross section on fracture (%)
63-68
Calculated
PREN (Pitting Resistance)
25
Resilience: Ultimate (Unit Rupture Work)
220 MJ/m 3
Resilience: Unit (Modulus of Resilience)
100 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
19 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
19 % relative
Embodied Carbon
3.7 kg CO 2 /kg material
Embodied Energy
51 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
160 L/kg 19 gal/lb
Registered Designations & Aliases
1.45781.4578EN 1.4578 (X3CrNiCuMo17-11-3-2) Stainless SteelX3CrNiCuMo17-11-3-2X3CrNiCuMo17-11-3-2
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 10088-3 EN 10088-3: 2005 Stainless steels. Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
EN 10088-3 EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
EN 10088-3 EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes EN 10088-1: Stainless steels - Part 1: List of stainless steels Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012
EN 10088-5 EN 10088-5: 2009 Stainless steels. Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes
EN 10263-5 EN 10263-5: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for stainless steels