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ACI-ASTM CD3MWCuN Steel vs. AISI 416Se Stainless Steel

Both ACI-ASTM CD3MWCuN steel and AISI 416Se 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 (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD3MWCuN steel and the bottom bar is AISI 416Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
23
Fatigue Strength, MPa 370
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 790
540
Tensile Strength: Yield (Proof), MPa 500
310

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
30
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 22
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.2
1.9
Embodied Energy, MJ/kg 58
27
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 42
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 620
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.2
8.1
Thermal Shock Resistance, points 22
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 24 to 26
12 to 14
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 56.6 to 65.3
83.1 to 87.9
Manganese (Mn), % 0 to 1.5
0 to 1.3
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.5 to 8.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.060
Tungsten (W), % 0.5 to 1.0
0