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ACI-ASTM CD3MCuN Steel vs. S41041 Stainless Steel

Both ACI-ASTM CD3MCuN steel and S41041 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD3MCuN steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
17
Fatigue Strength, MPa 370
350
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 790
910
Tensile Strength: Yield (Proof), MPa 500
580

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
29
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.9
2.2
Embodied Energy, MJ/kg 54
31
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 41
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 620
860
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
32
Strength to Weight: Bending, points 24
27
Thermal Diffusivity, mm2/s 4.1
7.8
Thermal Shock Resistance, points 22
33

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0.13 to 0.18
Chromium (Cr), % 24 to 26.7
11.5 to 13
Copper (Cu), % 1.4 to 1.9
0
Iron (Fe), % 58.2 to 65.9
84.5 to 87.8
Manganese (Mn), % 0 to 1.2
0.4 to 0.6
Molybdenum (Mo), % 2.9 to 3.8
0 to 0.2
Nickel (Ni), % 5.6 to 6.7
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.22 to 0.33
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.1
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030