EN 1.4931 (GX23CrMoV12-1) Cast Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength810MPa
Yield Strength540MPa
Brinell Hardness240HB
Maximum Service Temperature600°C
Chemical Composition
C
0.2 to 0.26%
CR
11.3 to 12.2%
NI
0 to 1.0%
MO
1.0 to 1.2%
MN
0.5 to 0.8%
SI
0 to 0.4%
P
0 to 0.030%
S
0 to 0.020%
V
0.25 to 0.35%
W
0 to 0.5%
FE
83.2 to 86.8%
Mechanical
A - Min. elongation at fracture (%) (+QT)
15
+QT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
17 %
Fatigue Strength
410 MPa
Impact Strength: V-Notched Charpy
30 J
KV - Impact energy (J) (+QT)
+20° 27
+QT
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+QT)
540
+QT
Rm - Tensile strength (MPa) (+QT)
740-880
+QT
Shear Modulus
76 GPa
Tensile Strength: Ultimate (UTS)
810 MPa
Tensile Strength: Yield (Proof)
620 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
240
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Maximum Temperature: Mechanical
600 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
24 W/m-K
Thermal Diffusivity
6.5 mm 2 /s
Thermal Expansion
14 µm/m-K
Thermal Shock Resistance
22 points
Electrical
Electrical Conductivity: Equal Volume
9.8 % IACS
Electrical Conductivity: Equal Weight (Specific)
11 % IACS
Calculated
PREN (Pitting Resistance)
16
Resilience: Ultimate (Unit Rupture Work)
130 MJ/m 3
Resilience: Unit (Modulus of Resilience)
970 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
29 points
Strength to Weight: Bending
25 points
Environmental
Base Metal Price
8.5 % relative
Embodied Carbon
2.9 kg CO 2 /kg material
Embodied Energy
42 MJ/kg
Embodied Energy
42 MJ/kg 18 x 10 3 BTU/lb
Embodied Water
100 L/kg
Embodied Water
100 L/kg 12 gal/lb
Registered Designations & Aliases
1.49311.4931EN 1.4931 (GX23CrMoV12-1) Cast SteelGX23CrMoV12-1GX23CrMoV12-1
Standards
EN 10213 EN 10213: 2007 Steel castings for pressure purposes
EN 10293 EN 10293: 2005 Steel castings for general engineering uses
EN 10293 EN 10293: Steel castings - Steel castings for general engineering uses
ISO 4991 ISO 4991: Steel castings for pressure purposes
ISO 4991 ISO 4991: Steel castings for pressure purposes EN 10293: Steel castings - Steel castings for general engineering uses Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 Corrosion of Stainless Steels, A. John Sedriks, 1996