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ACI-ASTM CD4MCuN Steel vs. EN 1.4887 Stainless Steel

Both ACI-ASTM CD4MCuN steel and EN 1.4887 stainless steel are iron alloys. They have 68% 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 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
45
Fatigue Strength, MPa 340
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 770
580
Tensile Strength: Yield (Proof), MPa 550
300

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 450
600
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 18
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.5
6.7
Embodied Energy, MJ/kg 49
96
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 35
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 760
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.5
3.2
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.15
Chromium (Cr), % 24.5 to 26.5
20 to 23
Copper (Cu), % 2.7 to 3.3
0
Iron (Fe), % 59.5 to 66.3
34.2 to 45
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.7 to 2.3
0
Nickel (Ni), % 4.7 to 6.0
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0.1 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.015