EN 1.4487 (GX2CrNiN19-11) Cast Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength560MPa
Yield Strength260MPa
Brinell HardnessUnknown
Maximum Service Temperature960°C
Chemical Composition
C
0 to 0.030%
CR
18 to 20%
NI
9.0 to 12%
MN
0 to 1.5%
SI
0 to 1.5%
N
0.12 to 0.2%
P
0 to 0.040%
S
0 to 0.030%
FE
64.7 to 72.9%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
210 MPa
Impact Strength: V-Notched Charpy
90 J
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
560 MPa
Tensile Strength: Yield (Proof)
260 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
960 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.2 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.6 % IACS
Calculated
PREN (Pitting Resistance)
22
Resilience: Ultimate (Unit Rupture Work)
160 MJ/m 3
Resilience: Unit (Modulus of Resilience)
170 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
16 % relative
Embodied Carbon
3.1 kg CO 2 /kg material
Embodied Energy
44 MJ/kg
Embodied Energy
44 MJ/kg 19 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 18 gal/lb
Registered Designations & Aliases
1.4487EN 1.4487 (GX2CrNiN19-11) Cast Stainless SteelGX2CrNiN19-11
Standards
ISO 11972 ISO 11972: Corrosion-resistant cast steels for general applications
ISO 11972 ISO 11972: Corrosion-resistant cast steels for general applications 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 Corrosion of Stainless Steels, A. John Sedriks, 1996
ISO 4991 ISO 4991: Steel castings for pressure purposes