ACI-ASTM CD4MCuN (ASTM A890 Grade 1B, J93372) Cast Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength770MPa
Yield Strength550MPa
Brinell HardnessUnknown
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.040%
CR
24.5 to 26.5%
NI
4.7 to 6.0%
MO
1.7 to 2.3%
MN
0 to 1.0%
SI
0 to 1.0%
N
0.1 to 0.25%
P
0 to 0.040%
S
0 to 0.040%
CU
2.7 to 3.3%
FE
59.5 to 66.3%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
18 %
Fatigue Strength
340 MPa
Poisson's Ratio
0.27
Shear Modulus
79 GPa
Tensile Strength: Ultimate (UTS)
770 MPa
Tensile Strength: Yield (Proof)
550 MPa
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)
1420 °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
13 µm/m-K
Thermal Shock Resistance
21 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)
130 MJ/m 3
Resilience: Unit (Modulus of Resilience)
760 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
24 points
Environmental
Base Metal Price
18 % relative
Embodied Carbon
3.5 kg CO 2 /kg material
Embodied Energy
49 MJ/kg
Embodied Energy
49 MJ/kg 21 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 21 gal/lb
Registered Designations & Aliases
ACI-ASTM CD4MCuN (ASTM A890 Grade 1B, J93372) Cast Stainless SteelASTM A890 Grade 1BJ93372
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 of Stainless Steels, Erich Folkhard et al., 2012 Corrosion of Stainless Steels, A. John Sedriks, 1996