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ACI-ASTM CD3MCuN Steel vs. EN 1.4539 Stainless Steel

Both ACI-ASTM CD3MCuN steel and EN 1.4539 stainless steel are iron alloys. They have 80% 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 CD3MCuN steel and the bottom bar is EN 1.4539 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
38
Fatigue Strength, MPa 370
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 790
630
Tensile Strength: Yield (Proof), MPa 500
260

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
460
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
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.9
5.7
Embodied Energy, MJ/kg 54
78
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 41
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
190
Resilience: Unit (Modulus of Resilience), kJ/m3 620
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
22
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 22
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 24 to 26.7
19 to 21
Copper (Cu), % 1.4 to 1.9
1.2 to 2.0
Iron (Fe), % 58.2 to 65.9
43.1 to 51.8
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 2.9 to 3.8
4.0 to 5.0
Nickel (Ni), % 5.6 to 6.7
24 to 26
Nitrogen (N), % 0.22 to 0.33
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.1
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010