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ACI-ASTM CD4MCu Steel vs. EN 1.4874 Stainless Steel

Both ACI-ASTM CD4MCu steel and EN 1.4874 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 29 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 CD4MCu steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 18
6.7
Fatigue Strength, MPa 340
180
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 770
480
Tensile Strength: Yield (Proof), MPa 550
360

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 1100
1150
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 18
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.5
7.6
Embodied Energy, MJ/kg 49
110
Embodied Water, L/kg 180
290

Common Calculations

PREN (Pitting Resistance) 32
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
29
Resilience: Unit (Modulus of Resilience), kJ/m3 760
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 24
16
Thermal Diffusivity, mm2/s 4.5
3.3
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0 to 0.040
0.35 to 0.65
Chromium (Cr), % 24.5 to 26.5
19 to 22
Cobalt (Co), % 0
18.5 to 22
Copper (Cu), % 2.8 to 3.3
0
Iron (Fe), % 59.9 to 66.3
23 to 38.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.3
2.5 to 3.0
Nickel (Ni), % 4.8 to 6.0
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0