ACI-ASTM CA6N (J91650) Cast Stainless Steel
Martensitic Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength1080MPa
Yield Strength1060MPa
Brinell HardnessUnknown
Maximum Service Temperature740°C
Chemical Composition
C
0 to 0.060%
CR
10.5 to 12.5%
NI
6.0 to 8.0%
MN
0 to 0.5%
SI
0 to 1.0%
P
0 to 0.020%
S
0 to 0.020%
FE
77.9 to 83.5%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
17 %
Fatigue Strength
640 MPa
Poisson's Ratio
0.28
Reduction in Area
57 %
Shear Modulus
75 GPa
Tensile Strength: Ultimate (UTS)
1080 MPa
Tensile Strength: Yield (Proof)
1060 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
280 J/g
Maximum Temperature: Corrosion
390 °C
Maximum Temperature: Mechanical
740 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
23 W/m-K
Thermal Diffusivity
6.1 mm 2 /s
Thermal Expansion
9.9 µm/m-K
Thermal Shock Resistance
40 points
Electrical
Electrical Conductivity: Equal Volume
2.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.0 % IACS
Calculated
PREN (Pitting Resistance)
12
Resilience: Ultimate (Unit Rupture Work)
180 MJ/m 3
Resilience: Unit (Modulus of Resilience)
2900 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
38 points
Strength to Weight: Bending
30 points
Environmental
Base Metal Price
11 % relative
Embodied Carbon
2.5 kg CO 2 /kg material
Embodied Energy
35 MJ/kg
Embodied Energy
35 MJ/kg 15 x 10 3 BTU/lb
Embodied Water
110 L/kg
Embodied Water
110 L/kg 13 gal/lb
Registered Designations & Aliases
ACI-ASTM CA6N (J91650) Cast Stainless SteelJ91650
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 Corrosion of Stainless Steels, A. John Sedriks, 1996