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ACI-ASTM CD3MCuN Steel vs. EN 1.4527 Stainless Steel

Both ACI-ASTM CD3MCuN steel and EN 1.4527 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 29 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 ACI-ASTM CD3MCuN steel and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
40
Fatigue Strength, MPa 370
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 790
480
Tensile Strength: Yield (Proof), MPa 500
190

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.9
5.6
Embodied Energy, MJ/kg 54
78
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 41
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
150
Resilience: Unit (Modulus of Resilience), kJ/m3 620
95
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 22
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 24 to 26.7
19 to 22
Copper (Cu), % 1.4 to 1.9
3.0 to 4.0
Iron (Fe), % 58.2 to 65.9
37.4 to 48.5
Manganese (Mn), % 0 to 1.2
0 to 1.5
Molybdenum (Mo), % 2.9 to 3.8
2.0 to 3.0
Nickel (Ni), % 5.6 to 6.7
27.5 to 30.5
Nitrogen (N), % 0.22 to 0.33
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.1
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030