EN 1.3956 (GX4CrNiMnN22-12-5) Cast Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength650MPa
Yield Strength330MPa
Brinell HardnessUnknown
Maximum Service Temperature1080°C
Chemical Composition
C
0 to 0.060%
CR
20.5 to 23.5%
NI
11.5 to 13.5%
MO
1.5 to 3.0%
MN
4.0 to 6.0%
SI
0 to 1.0%
N
0.2 to 0.4%
P
0 to 0.040%
S
0 to 0.030%
NB
0.1 to 0.3%
V
0.1 to 0.3%
FE
51.9 to 62.1%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
27 %
Fatigue Strength
240 MPa
Poisson's Ratio
0.28
Shear Modulus
79 GPa
Tensile Strength: Ultimate (UTS)
650 MPa
Tensile Strength: Yield (Proof)
330 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
460 °C
Maximum Temperature: Mechanical
1080 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
18 points
Calculated
PREN (Pitting Resistance)
34
Resilience: Ultimate (Unit Rupture Work)
150 MJ/m 3
Resilience: Unit (Modulus of Resilience)
270 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
23 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
22 % relative
Embodied Carbon
4.8 kg CO 2 /kg material
Embodied Energy
68 MJ/kg
Embodied Energy
68 MJ/kg 29 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 22 gal/lb
Registered Designations & Aliases
1.3956EN 1.3956 (GX4CrNiMnN22-12-5) Cast Stainless SteelGX4CrNiMnN22-12-5
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