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ACI-ASTM CD4MCuN Steel vs. EN 1.4872 Stainless Steel

Both ACI-ASTM CD4MCuN steel and EN 1.4872 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD4MCuN steel and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
28
Fatigue Strength, MPa 340
410
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
79
Tensile Strength: Ultimate (UTS), MPa 770
950
Tensile Strength: Yield (Proof), MPa 550
560

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1150
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
17
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.5
3.3
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 35
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
230
Resilience: Unit (Modulus of Resilience), kJ/m3 760
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 28
35
Strength to Weight: Bending, points 24
28
Thermal Diffusivity, mm2/s 4.5
3.9
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.040
0.2 to 0.3
Chromium (Cr), % 24.5 to 26.5
24 to 26
Copper (Cu), % 2.7 to 3.3
0
Iron (Fe), % 59.5 to 66.3
54.2 to 61.6
Manganese (Mn), % 0 to 1.0
8.0 to 10
Molybdenum (Mo), % 1.7 to 2.3
0
Nickel (Ni), % 4.7 to 6.0
6.0 to 8.0
Nitrogen (N), % 0.1 to 0.25
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015