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ACI-ASTM CD3MCuN Steel vs. N08801 Stainless Steel

Both ACI-ASTM CD3MCuN steel and N08801 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD3MCuN steel and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
34
Fatigue Strength, MPa 370
260
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 790
860
Tensile Strength: Yield (Proof), MPa 500
190

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
630
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
1360
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
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.9
5.5
Embodied Energy, MJ/kg 54
79
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 41
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
220
Resilience: Unit (Modulus of Resilience), kJ/m3 620
92
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
30
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 4.1
3.3
Thermal Shock Resistance, points 22
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 24 to 26.7
19 to 22
Copper (Cu), % 1.4 to 1.9
0 to 0.5
Iron (Fe), % 58.2 to 65.9
39.5 to 50.3
Manganese (Mn), % 0 to 1.2
0 to 1.5
Molybdenum (Mo), % 2.9 to 3.8
0
Nickel (Ni), % 5.6 to 6.7
30 to 34
Nitrogen (N), % 0.22 to 0.33
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.1
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.75 to 1.5