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ACI-ASTM CD4MCu Steel vs. EN 1.4057 Stainless Steel

Both ACI-ASTM CD4MCu steel and EN 1.4057 stainless steel are iron alloys. They have 82% 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 CD4MCu steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
11 to 17
Fatigue Strength, MPa 340
320 to 430
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 770
840 to 980
Tensile Strength: Yield (Proof), MPa 550
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.5
2.2
Embodied Energy, MJ/kg 49
32
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 32
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 760
700 to 1610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
30 to 35
Strength to Weight: Bending, points 24
26 to 28
Thermal Diffusivity, mm2/s 4.5
6.7
Thermal Shock Resistance, points 21
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.040
0.12 to 0.22
Chromium (Cr), % 24.5 to 26.5
15 to 17
Copper (Cu), % 2.8 to 3.3
0
Iron (Fe), % 59.9 to 66.3
77.7 to 83.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.8 to 2.3
0
Nickel (Ni), % 4.8 to 6.0
1.5 to 2.5
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 0.015