EN 1.4451 (GX2CrNiMoCuN26-5-3-3) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength750MPa
Yield Strength540MPa
Brinell Hardness220HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.030%
CR
25 to 27%
NI
5.0 to 7.0%
MO
2.5 to 3.5%
MN
0 to 1.5%
SI
0 to 1.0%
N
0.12 to 0.22%
P
0 to 0.035%
S
0 to 0.025%
CU
2.8 to 3.5%
FE
56.2 to 64.6%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
25 %
Fatigue Strength
370 MPa
Poisson's Ratio
0.27
Shear Modulus
80 GPa
Tensile Strength: Ultimate (UTS)
750 MPa
Tensile Strength: Yield (Proof)
540 MPa
Hardness
Brinell Hardness
220
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1430 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
17 W/m-K
Thermal Diffusivity
4.5 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
39
Resilience: Ultimate (Unit Rupture Work)
170 MJ/m 3
Resilience: Unit (Modulus of Resilience)
710 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
27 points
Strength to Weight: Bending
23 points
Environmental
Base Metal Price
20 % relative
Embodied Carbon
3.8 kg CO 2 /kg material
Embodied Energy
53 MJ/kg
Embodied Energy
53 MJ/kg 23 x 10 3 BTU/lb
Embodied Water
190 L/kg
Embodied Water
190 L/kg 22 gal/lb
Registered Designations & Aliases
1.4451EN 1.4451 (GX2CrNiMoCuN26-5-3-3) Cast Stainless SteelGX2CrNiMoCuN26-5-3-3
Standards
ISO 4991 ISO 4991: Steel castings for pressure purposes
ISO 4991 ISO 4991: Steel castings for pressure purposes Austenitic Stainless Steels: Microstructure and Mechanical Properties, P. Marshall, 1984