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EN 1.4523 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both EN 1.4523 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4523 stainless steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
29
Fatigue Strength, MPa 190
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 520
790
Tensile Strength: Yield (Proof), MPa 320
500

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 500
450
Maximum Temperature: Mechanical, °C 920
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
16
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.2
Embodied Energy, MJ/kg 40
58
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 26
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77
200
Resilience: Unit (Modulus of Resilience), kJ/m3 260
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 5.8
4.2
Thermal Shock Resistance, points 18
22

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17.5 to 19
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 75.7 to 80.2
56.6 to 65.3
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 2.0 to 2.5
3.0 to 4.0
Nickel (Ni), % 0
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.025
Titanium (Ti), % 0.15 to 0.8
0
Tungsten (W), % 0
0.5 to 1.0