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ACI-ASTM CD4MCu Steel vs. EN 1.4477 Stainless Steel

Both ACI-ASTM CD4MCu steel and EN 1.4477 stainless steel are iron alloys. They have a moderately high 94% 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 CD4MCu steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 18
22 to 23
Fatigue Strength, MPa 340
420 to 490
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 770
880 to 930
Tensile Strength: Yield (Proof), MPa 550
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 18
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.5
3.7
Embodied Energy, MJ/kg 49
52
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 32
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 760
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
31 to 33
Strength to Weight: Bending, points 24
26 to 27
Thermal Diffusivity, mm2/s 4.5
3.5
Thermal Shock Resistance, points 21
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 24.5 to 26.5
28 to 30
Copper (Cu), % 2.8 to 3.3
0 to 0.8
Iron (Fe), % 59.9 to 66.3
56.6 to 63.6
Manganese (Mn), % 0 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 1.8 to 2.3
1.5 to 2.6
Nickel (Ni), % 4.8 to 6.0
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
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 0.015