EN 1.3940 (GX2CrNiN18-13) Cast Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength540MPa
Yield Strength240MPa
Brinell HardnessUnknown
Maximum Service Temperature930°C
Chemical Composition
C
0 to 0.030%
CR
16.5 to 18.5%
NI
12 to 14%
MN
0 to 2.0%
SI
0 to 1.0%
N
0.1 to 0.2%
P
0 to 0.035%
S
0 to 0.020%
FE
64.2 to 71.4%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
190 MPa
Impact Strength: V-Notched Charpy
130 J
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
540 MPa
Tensile Strength: Yield (Proof)
240 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
410 °C
Maximum Temperature: Mechanical
930 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.1 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
2.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.7 % IACS
Calculated
PREN (Pitting Resistance)
20
Resilience: Ultimate (Unit Rupture Work)
150 MJ/m 3
Resilience: Unit (Modulus of Resilience)
150 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
17 % relative
Embodied Carbon
3.3 kg CO 2 /kg material
Embodied Energy
47 MJ/kg
Embodied Energy
47 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 17 gal/lb
Registered Designations & Aliases
1.3940EN 1.3940 (GX2CrNiN18-13) Cast Stainless SteelGX2CrNiN18-13
Standards
ISO 19960 ISO 19960: Cast steels and alloys with special physical properties
ISO 19960 ISO 19960: Cast steels and alloys with special physical properties Duplex Stainless Steels, Iris Alvarez-Armas and Suzanne Degallaix-Moreuil (editors), 2009 Duplex Stainless Steels: Microstructure, Properties and Applications, Robert N. Gunn (editor), 1997