ACI-ASTM CB30 (J91803) Cast Stainless Steel
Ferritic Stainless Steels
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength500MPa
Yield Strength230MPa
Brinell Hardness210HB
Maximum Service Temperature940°C
Chemical Composition
C
0 to 0.3%
CR
18 to 21%
NI
0 to 2.0%
MN
0 to 1.0%
SI
0 to 1.5%
P
0 to 0.040%
S
0 to 0.040%
CU
0 to 1.2%
FE
72.9 to 82%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Tensile Strength: Ultimate (UTS)
500 MPa
Tensile Strength: Yield (Proof)
230 MPa
Hardness
Brinell Hardness
210
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
940 °C
Melting Completion (Liquidus)
1430 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
21 W/m-K
Thermal Diffusivity
5.6 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
17 points
Electrical
Electrical Conductivity: Equal Volume
2.5 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.0 % IACS
Calculated
PREN (Pitting Resistance)
20
Resilience: Unit (Modulus of Resilience)
140 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
18 points
Strength to Weight: Bending
18 points
Environmental
Base Metal Price
10 % relative
Embodied Carbon
2.3 kg CO 2 /kg material
Embodied Energy
33 MJ/kg
Embodied Energy
33 MJ/kg 14 x 10 3 BTU/lb
Embodied Water
130 L/kg
Embodied Water
130 L/kg 16 gal/lb
Registered Designations & Aliases
ACI-ASTM CB30 (J91803) Cast Stainless SteelJ91803
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 Metallic Materials: Physical, Mechanical, and Corrosion Properties, Philip A. Schweitzer, 2003 Corrosion of Stainless Steels, A. John Sedriks, 1996