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ACI-ASTM CD3MCuN Steel vs. S35315 Stainless Steel

Both ACI-ASTM CD3MCuN steel and S35315 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD3MCuN steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
46
Fatigue Strength, MPa 370
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 790
740
Tensile Strength: Yield (Proof), MPa 500
300

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.9
5.7
Embodied Energy, MJ/kg 54
81
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 41
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
270
Resilience: Unit (Modulus of Resilience), kJ/m3 620
230
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 4.1
3.1
Thermal Shock Resistance, points 22
17

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 24 to 26.7
24 to 26
Copper (Cu), % 1.4 to 1.9
0
Iron (Fe), % 58.2 to 65.9
33.6 to 40.6
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 2.9 to 3.8
0
Nickel (Ni), % 5.6 to 6.7
34 to 36
Nitrogen (N), % 0.22 to 0.33
0.12 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.1
1.2 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030