ACI-ASTM CG8M (J93000) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.9g/cm³
Elastic Modulus200GPa
Tensile Strength550MPa
Yield Strength300MPa
Brinell Hardness180HB
Maximum Service Temperature1020°C
Chemical Composition
C
0 to 0.080%
CR
18 to 21%
NI
9.0 to 13%
MO
3.0 to 4.0%
MN
0 to 1.5%
SI
0 to 1.5%
P
0 to 0.040%
S
0 to 0.040%
FE
58.8 to 70%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
45 %
Fatigue Strength
280 MPa
Impact Strength: V-Notched Charpy
110 J
Poisson's Ratio
0.28
Shear Modulus
79 GPa
Tensile Strength: Ultimate (UTS)
550 MPa
Tensile Strength: Yield (Proof)
300 MPa
Hardness
Brinell Hardness
180
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
1020 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.3 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
2.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.3 % IACS
Calculated
PREN (Pitting Resistance)
31
Resilience: Ultimate (Unit Rupture Work)
210 MJ/m 3
Resilience: Unit (Modulus of Resilience)
220 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
19 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
20 % relative
Embodied Carbon
4.1 kg CO 2 /kg material
Embodied Energy
56 MJ/kg
Embodied Energy
56 MJ/kg 24 x 10 3 BTU/lb
Embodied Water
160 L/kg
Embodied Water
160 L/kg 19 gal/lb
Registered Designations & Aliases
ACI-ASTM CG8M (J93000) Cast Stainless SteelJ93000
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