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S32654 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both S32654 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 79% 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 S32654 stainless steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
29
Fatigue Strength, MPa 450
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 82
80
Tensile Strength: Ultimate (UTS), MPa 850
790
Tensile Strength: Yield (Proof), MPa 490
500

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
16
Thermal Expansion, µm/m-K 15
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 34
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.4
4.2
Embodied Energy, MJ/kg 87
58
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 57
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
200
Resilience: Unit (Modulus of Resilience), kJ/m3 570
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 2.9
4.2
Thermal Shock Resistance, points 19
22

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 24 to 25
24 to 26
Copper (Cu), % 0.3 to 0.6
0.5 to 1.0
Iron (Fe), % 38.3 to 45.3
56.6 to 65.3
Manganese (Mn), % 2.0 to 4.0
0 to 1.5
Molybdenum (Mo), % 7.0 to 8.0
3.0 to 4.0
Nickel (Ni), % 21 to 23
6.5 to 8.5
Nitrogen (N), % 0.45 to 0.55
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0