ACI-ASTM CN3MN (J94651) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density8.1g/cm³
Elastic Modulus210GPa
Tensile Strength620MPa
Yield Strength300MPa
Brinell Hardness180HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.030%
CR
20 to 22%
NI
23.5 to 25.5%
MO
6.0 to 7.0%
MN
0 to 2.0%
SI
0 to 1.0%
N
0.18 to 0.26%
P
0 to 0.040%
S
0 to 0.010%
CU
0 to 0.75%
FE
41.4 to 50.3%
Mechanical
Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
39 %
Fatigue Strength
250 MPa
Poisson's Ratio
0.28
Shear Modulus
80 GPa
Tensile Strength: Ultimate (UTS)
620 MPa
Tensile Strength: Yield (Proof)
300 MPa
Hardness
Brinell Hardness
180
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
310 J/g
Maximum Temperature: Corrosion
430 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
460 J/kg-K
Thermal Conductivity
13 W/m-K
Thermal Diffusivity
3.4 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
1.8 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.0 % IACS
Calculated
PREN (Pitting Resistance)
46
Resilience: Ultimate (Unit Rupture Work)
200 MJ/m 3
Resilience: Unit (Modulus of Resilience)
210 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
33 % relative
Embodied Carbon
6.2 kg CO 2 /kg material
Embodied Energy
84 MJ/kg
Embodied Energy
84 MJ/kg 36 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
ACI-ASTM CN3MN (J94651) Cast Stainless SteelJ94651
Standards
ASTM A743 ASTM A743: Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application
ASTM A743 ASTM A743: Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005