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EN 1.4845 Stainless Steel vs. ACI-ASTM CD4MCuN Steel

Both EN 1.4845 stainless steel and ACI-ASTM CD4MCuN steel are iron alloys. They have 84% 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 EN 1.4845 stainless steel and the bottom bar is ACI-ASTM CD4MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
18
Fatigue Strength, MPa 200
340
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 600
770
Tensile Strength: Yield (Proof), MPa 240
550

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1050
1100
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.5
Embodied Energy, MJ/kg 61
49
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 26
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140
760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.040
Chromium (Cr), % 24 to 26
24.5 to 26.5
Copper (Cu), % 0
2.7 to 3.3
Iron (Fe), % 48.2 to 57
59.5 to 66.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
1.7 to 2.3
Nickel (Ni), % 19 to 22
4.7 to 6.0
Nitrogen (N), % 0 to 0.1
0.1 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.040