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S64512 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both S64512 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 78% 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 S64512 stainless steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
29
Fatigue Strength, MPa 540
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 1140
790
Tensile Strength: Yield (Proof), MPa 890
500

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
16
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
4.2
Embodied Energy, MJ/kg 47
58
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 18
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
200
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
28
Strength to Weight: Bending, points 31
24
Thermal Diffusivity, mm2/s 7.5
4.2
Thermal Shock Resistance, points 42
22

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11 to 12.5
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 80.6 to 84.7
56.6 to 65.3
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Molybdenum (Mo), % 1.5 to 2.0
3.0 to 4.0
Nickel (Ni), % 2.0 to 3.0
6.5 to 8.5
Nitrogen (N), % 0.010 to 0.050
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0
Vanadium (V), % 0.25 to 0.4
0