ACI-ASTM CD3MN (ASTM A890 Grade 4A, J92205) Cast Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength710MPa
Yield Strength460MPa
Brinell HardnessUnknown
Maximum Service Temperature1060°C
Chemical Composition
C
0 to 0.030%
CR
21 to 23.5%
NI
4.5 to 6.5%
MO
2.5 to 3.5%
MN
0 to 1.5%
SI
0 to 1.0%
N
0.1 to 0.3%
P
0 to 0.040%
S
0 to 0.020%
CU
0 to 1.0%
FE
62.6 to 71.9%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
29 %
Fatigue Strength
340 MPa
Poisson's Ratio
0.27
Shear Modulus
79 GPa
Tensile Strength: Ultimate (UTS)
710 MPa
Tensile Strength: Yield (Proof)
460 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
430 °C
Maximum Temperature: Mechanical
1060 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.3 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
20 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
35
Resilience: Ultimate (Unit Rupture Work)
180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
530 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
25 points
Strength to Weight: Bending
23 points
Environmental
Base Metal Price
18 % relative
Embodied Carbon
3.6 kg CO 2 /kg material
Embodied Energy
50 MJ/kg
Embodied Energy
50 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
160 L/kg
Embodied Water
160 L/kg 19 gal/lb
Registered Designations & Aliases
ACI-ASTM CD3MN (ASTM A890 Grade 4A, J92205) Cast Stainless SteelASTM A890 Grade 4AJ92205
Standards
ASTM A890 ASTM A890: Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application
ASTM A890 ASTM A890: Standard Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application Duplex Stainless Steels, Iris Alvarez-Armas and Suzanne Degallaix-Moreuil (editors), 2009 Duplex Stainless Steels: Microstructure, Properties and Applications, Robert N. Gunn (editor), 1997 Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 Corrosion of Stainless Steels, A. John Sedriks, 1996