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ACI-ASTM CD3MWCuN Steel vs. EN 1.4823 Stainless Steel

Both ACI-ASTM CD3MWCuN steel and EN 1.4823 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is ACI-ASTM CD3MWCuN steel and the bottom bar is EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
3.4
Fatigue Strength, MPa 370
130
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 790
620
Tensile Strength: Yield (Proof), MPa 500
290

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
16
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.2
3.0
Embodied Energy, MJ/kg 58
43
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 42
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
17
Resilience: Unit (Modulus of Resilience), kJ/m3 620
200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 28
23
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 4.2
4.5
Thermal Shock Resistance, points 22
17

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 24 to 26
25 to 28
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 56.6 to 65.3
60.9 to 70.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
0 to 0.5
Nickel (Ni), % 6.5 to 8.5
3.0 to 6.0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0.5 to 1.0
0