ACI-ASTM CN7M (J95150) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density8.1g/cm³
Elastic Modulus200GPa
Tensile Strength480MPa
Yield Strength200MPa
Brinell Hardness140HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.070%
CR
19 to 22%
NI
27.5 to 30.5%
MO
2.0 to 3.0%
MN
0 to 1.5%
SI
0 to 1.5%
P
0 to 0.040%
S
0 to 0.040%
CU
3.0 to 4.0%
FE
37.4 to 48.5%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
44 %
Fatigue Strength
190 MPa
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
480 MPa
Tensile Strength: Yield (Proof)
200 MPa
Hardness
Brinell Hardness
140
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)
1410 °C
Melting Onset (Solidus)
1450 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
21 W/m-K
Thermal Diffusivity
5.6 mm 2 /s
Thermal Expansion
15 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
1.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
1.8 % IACS
Calculated
PREN (Pitting Resistance)
29
Resilience: Ultimate (Unit Rupture Work)
170 MJ/m 3
Resilience: Unit (Modulus of Resilience)
110 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
32 % relative
Embodied Carbon
5.6 kg CO 2 /kg material
Embodied Energy
78 MJ/kg
Embodied Energy
78 MJ/kg 34 x 10 3 BTU/lb
Embodied Water
210 L/kg
Embodied Water
210 L/kg 25 gal/lb
Registered Designations & Aliases
ACI-ASTM CN7M (J95150) Cast Stainless SteelJ95150
Standards
ASTM A743 ASTM A743: Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application