ACI-ASTM CB6 (J91804) Cast Stainless Steel
Martensitic Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength880MPa
Yield Strength660MPa
Brinell HardnessUnknown
Maximum Service Temperature870°C
Chemical Composition
C
0 to 0.060%
CR
15.5 to 17.5%
NI
3.5 to 5.5%
MO
0 to 0.5%
MN
0 to 1.0%
SI
0 to 1.0%
P
0 to 0.040%
S
0 to 0.030%
FE
74.4 to 81%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
18 %
Fatigue Strength
410 MPa
Poisson's Ratio
0.28
Reduction in Area
40 %
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
880 MPa
Tensile Strength: Yield (Proof)
660 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
280 J/g
Maximum Temperature: Corrosion
410 °C
Maximum Temperature: Mechanical
870 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1390 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
17 W/m-K
Thermal Diffusivity
4.6 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
31 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.6 % IACS
Calculated
PREN (Pitting Resistance)
17
Resilience: Ultimate (Unit Rupture Work)
150 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1110 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
32 points
Strength to Weight: Bending
26 points
Environmental
Base Metal Price
12 % relative
Embodied Carbon
2.5 kg CO 2 /kg material
Embodied Energy
36 MJ/kg
Embodied Energy
36 MJ/kg 15 x 10 3 BTU/lb
Embodied Water
130 L/kg
Embodied Water
130 L/kg 15 gal/lb
Registered Designations & Aliases
ACI-ASTM CB6 (J91804) Cast Stainless SteelJ91804
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 Corrosion of Stainless Steels, A. John Sedriks, 1996