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ACI-ASTM CD4MCuN Steel vs. EN 1.4529 Stainless Steel

Both ACI-ASTM CD4MCuN steel and EN 1.4529 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4529 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
43
Fatigue Strength, MPa 340
310
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 770
750
Tensile Strength: Yield (Proof), MPa 550
340

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 13
16

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
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.5
6.2
Embodied Energy, MJ/kg 49
84
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 35
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
260
Resilience: Unit (Modulus of Resilience), kJ/m3 760
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 4.5
3.2
Thermal Shock Resistance, points 21
17

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.020
Chromium (Cr), % 24.5 to 26.5
19 to 21
Copper (Cu), % 2.7 to 3.3
0.5 to 1.5
Iron (Fe), % 59.5 to 66.3
42.7 to 50.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.7 to 2.3
6.0 to 7.0
Nickel (Ni), % 4.7 to 6.0
24 to 26
Nitrogen (N), % 0.1 to 0.25
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010