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ACI-ASTM CD4MCuN Steel vs. EN 1.4565 Stainless Steel

Both ACI-ASTM CD4MCuN steel and EN 1.4565 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 (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 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 18
35
Fatigue Strength, MPa 340
380
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 770
880
Tensile Strength: Yield (Proof), MPa 550
480

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.5
5.4
Embodied Energy, MJ/kg 49
74
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 35
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
260
Resilience: Unit (Modulus of Resilience), kJ/m3 760
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
31
Strength to Weight: Bending, points 24
26
Thermal Diffusivity, mm2/s 4.5
3.2
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
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
41.2 to 50.7
Manganese (Mn), % 0 to 1.0
5.0 to 7.0
Molybdenum (Mo), % 1.7 to 2.3
4.0 to 5.0
Nickel (Ni), % 4.7 to 6.0
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0.1 to 0.25
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015