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ACI-ASTM CD4MCuN Steel vs. EN 1.4415 Stainless Steel

Both ACI-ASTM CD4MCuN steel and EN 1.4415 stainless steel are iron alloys. They have 83% 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 1.4415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
17 to 20
Fatigue Strength, MPa 340
470 to 510
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 770
830 to 930
Tensile Strength: Yield (Proof), MPa 550
730 to 840

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
790
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
19
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 18
13
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.5
3.6
Embodied Energy, MJ/kg 49
51
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 35
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 760
1350 to 1790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
29 to 33
Strength to Weight: Bending, points 24
25 to 27
Thermal Diffusivity, mm2/s 4.5
5.1
Thermal Shock Resistance, points 21
30 to 34

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24.5 to 26.5
11.5 to 13.5
Copper (Cu), % 2.7 to 3.3
0
Iron (Fe), % 59.5 to 66.3
75.9 to 82.4
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 1.7 to 2.3
1.5 to 2.5
Nickel (Ni), % 4.7 to 6.0
4.5 to 6.5
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.1 to 0.5