EN 1.4421 (GX4CrNi16-4) Cast Stainless Steel
Other Steels
quenched and tempered
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength880MPa
Yield Strength620MPa
Brinell HardnessUnknown
Maximum Service Temperature870°C
Chemical Composition
C
0 to 0.060%
CR
15.5 to 17.5%
NI
4.0 to 5.5%
MO
0 to 0.7%
MN
0 to 1.0%
SI
0 to 0.8%
P
0 to 0.035%
S
0 to 0.020%
FE
74.4 to 80.5%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
17 %
Fatigue Strength
380 MPa
Impact Strength: V-Notched Charpy
67 J
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
880 MPa
Tensile Strength: Yield (Proof)
620 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
280 J/g
Maximum Temperature: Corrosion
410 °C
Maximum Temperature: Mechanical
870 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.4 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
31 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
18
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m 3
Resilience: Unit (Modulus of Resilience)
960 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
31 points
Strength to Weight: Bending
26 points
Environmental
Base Metal Price
12 % relative
Embodied Carbon
2.6 kg CO 2 /kg material
Embodied Energy
36 MJ/kg
Embodied Energy
36 MJ/kg 16 x 10 3 BTU/lb
Embodied Water
130 L/kg
Embodied Water
130 L/kg 15 gal/lb
Registered Designations & Aliases
1.44211.4421EN 1.4421 (GX4CrNi16-4) Cast Stainless SteelGX4CrNi16-4GX4CrNi16-4
Standards
EN 10293 EN 10293: 2005 Steel castings for general engineering uses
EN 10293 EN 10293: Steel castings - Steel castings for general engineering uses
EN 10293 EN 10293: Steel castings - Steel castings for general engineering uses Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 Properties and Selection: Irons, Steels and High Performance Alloys, ASM Handbook vol. 1, ASM International, 1993 Corrosion of Stainless Steels, A. John Sedriks, 1996