ACI-ASTM CK3MCuN (1.4593, J93254) Cast Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density8g/cm³
Elastic Modulus200GPa
Tensile Strength620MPa
Yield Strength290MPa
Brinell Hardness180HB
Maximum Service Temperature1090°C
Chemical Composition
C
0 to 0.025%
CR
19.5 to 20.5%
NI
17.5 to 19.5%
MO
6.0 to 7.0%
MN
0 to 1.2%
SI
0 to 1.0%
N
0.18 to 0.24%
P
0 to 0.045%
S
0 to 0.010%
CU
0.5 to 1.0%
FE
49.5 to 56.3%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
39 %
Fatigue Strength
250 MPa
Poisson's Ratio
0.28
Shear Modulus
80 GPa
Tensile Strength: Ultimate (UTS)
620 MPa
Tensile Strength: Yield (Proof)
290 MPa
Hardness
Brinell Hardness
180
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
1090 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1350 °C
Specific Heat Capacity
460 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.2 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
1.9 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.1 % IACS
Calculated
PREN (Pitting Resistance)
45
Resilience: Ultimate (Unit Rupture Work)
200 MJ/m 3
Resilience: Unit (Modulus of Resilience)
210 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
29 % relative
Embodied Carbon
5.6 kg CO 2 /kg material
Embodied Energy
76 MJ/kg
Embodied Energy
76 MJ/kg 33 x 10 3 BTU/lb
Embodied Water
190 L/kg
Embodied Water
190 L/kg 23 gal/lb
Registered Designations & Aliases
1.4593ACI-ASTM CK3MCuN (1.4593, J93254) Cast Stainless SteelJ93254
Standards
ASTM A743 ASTM A743: Standard Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application