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S44635 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both S44635 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have a moderately high 94% 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 S44635 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, % 23
29
Fatigue Strength, MPa 390
370
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 710
790
Tensile Strength: Yield (Proof), MPa 580
500

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 610
450
Maximum Temperature: Mechanical, °C 1100
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 16
16
Thermal Expansion, µm/m-K 11
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 22
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
4.2
Embodied Energy, MJ/kg 62
58
Embodied Water, L/kg 170
180

Common Calculations

PREN (Pitting Resistance) 39
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
200
Resilience: Unit (Modulus of Resilience), kJ/m3 810
620
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.4
4.2
Thermal Shock Resistance, points 23
22

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 24.5 to 26
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 61.5 to 68.5
56.6 to 65.3
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 3.5 to 4.5
3.0 to 4.0
Nickel (Ni), % 3.5 to 4.5
6.5 to 8.5
Niobium (Nb), % 0.2 to 0.8
0
Nitrogen (N), % 0 to 0.035
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0.2 to 0.8
0
Tungsten (W), % 0
0.5 to 1.0