EN 1.4470 (GX2CrNiMoN22-5-3) Cast Stainless Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength680MPa
Yield Strength420MPa
Brinell HardnessUnknown
Maximum Service Temperature1060°C
Mechanical
A - Min. elongation at fracture (%) (+AT)
20
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Impact Strength: V-Notched Charpy
34 J
KV - Impact energy (J) (+AT)
+20° 30
+AT
R p0.2 0.2% proof strength (MPa) (+AT)
420
+AT
Rm - Tensile strength (MPa) (+AT)
600-800
+AT
Tensile Strength: Ultimate (UTS)
680 MPa
Tensile Strength: Yield (Proof)
480 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
300 J/g
Maximum Temperature: Corrosion
430 °C
Maximum Temperature: Mechanical
1060 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
18 W/m-K
Thermal Diffusivity
4.8 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
18 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
34
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m 3
Resilience: Unit (Modulus of Resilience)
570 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
17 % relative
Embodied Carbon
3.6 kg CO 2 /kg material
Embodied Energy
49 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
160 L/kg 19 gal/lb
Registered Designations & Aliases
1.44701.4470EN 1.4470 (GX2CrNiMoN22-5-3) Cast Stainless SteelGX2CrNiMoN22-5-3GX2CrNiMoN22-5-3
Standards
EN 10213 EN 10213: 2007 Steel castings for pressure purposes
EN 10283 EN 10283: 2010 Corrosion resistant steel castings
EN 10283 EN 10283: Corrosion resistant steel castings
ISO 11972 ISO 11972: Corrosion-resistant cast steels for general applications
ISO 11972 ISO 11972: Corrosion-resistant cast steels for general applications EN 10283: Corrosion resistant steel castings ISO 4991: Steel castings for pressure purposes Duplex Stainless Steels, Iris Alvarez-Armas and Suzanne Degallaix-Moreuil (editors), 2009 Duplex Stainless Steels: Microstructure, Properties and Applications, Robert N. Gunn (editor), 1997 Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 Corrosion of Stainless Steels, A. John Sedriks, 1996
ISO 4991 ISO 4991: Steel castings for pressure purposes