ACI-ASTM CG6MMN (J93790) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength670MPa
Yield Strength320MPa
Brinell Hardness190HB
Maximum Service Temperature1080°C
Chemical Composition
C
0 to 0.060%
CR
20.5 to 23.5%
NI
11.5 to 13.5%
MO
1.5 to 3.0%
MN
4.0 to 6.0%
SI
0 to 1.0%
N
0.2 to 0.4%
P
0 to 0.040%
S
0 to 0.030%
NB
0.1 to 0.3%
V
0.1 to 0.3%
FE
51.9 to 62.1%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
260 MPa
Poisson's Ratio
0.28
Shear Modulus
79 GPa
Tensile Strength: Ultimate (UTS)
670 MPa
Tensile Strength: Yield (Proof)
320 MPa
Hardness
Brinell Hardness
190
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
460 °C
Maximum Temperature: Mechanical
1080 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
14 points
Calculated
PREN (Pitting Resistance)
34
Resilience: Ultimate (Unit Rupture Work)
190 MJ/m 3
Resilience: Unit (Modulus of Resilience)
260 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
22 % relative
Embodied Carbon
4.8 kg CO 2 /kg material
Embodied Energy
68 MJ/kg
Embodied Energy
68 MJ/kg 29 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 22 gal/lb
Registered Designations & Aliases
ACI-ASTM CG6MMN (J93790) Cast Stainless SteelJ93790
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 of Stainless Steels, Erich Folkhard et al., 2012