EN 1.4409 (GX2CrNiMo19-11-2) Cast Stainless Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength490MPa
Yield Strength195MPa
Brinell Hardness140HB
Maximum Service Temperature990°C
Chemical Composition
C
0 to 0.030%
CR
18 to 20%
NI
9.0 to 12%
MO
2.0 to 2.5%
MN
0 to 2.0%
SI
0 to 1.5%
N
0 to 0.2%
P
0 to 0.035%
S
0 to 0.025%
FE
61.7 to 71%
Mechanical
A - Min. elongation at fracture (%) (+AT)
30
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
180 MPa
Impact Strength: V-Notched Charpy
90 J
KV - Impact energy (J) (+AT)
+20° 80
+AT
KV - Impact energy (J) (+AT)
-196° 60
+AT
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+AT)
195
+AT
Rm - Tensile strength (MPa) (+AT)
440-640
+AT
Shear Modulus
78 GPa
Tensile Strength: Ultimate (UTS)
490 MPa
Tensile Strength: Yield (Proof)
220 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
140
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
990 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.1 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
11 points
Electrical
Electrical Conductivity: Equal Volume
2.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
28
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m 3
Resilience: Unit (Modulus of Resilience)
120 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
19 % relative
Embodied Carbon
3.7 kg CO 2 /kg material
Embodied Energy
52 MJ/kg
Embodied Energy
52 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
160 L/kg
Embodied Water
160 L/kg 18 gal/lb
Registered Designations & Aliases
1.44091.4409EN 1.4409 (GX2CrNiMo19-11-2) Cast Stainless SteelGX2CrNiMo19-11-2GX2CrNiMo19-11-2
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
EN 10340 EN 10340: 2007 Steel castings for structural uses
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 Austenitic Stainless Steels: Microstructure and Mechanical Properties, P. Marshall, 1984 Corrosion of Stainless Steels, A. John Sedriks, 1996