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SAE-AISI M44 Steel vs. C55280 Copper

SAE-AISI M44 steel belongs to the iron alloys classification, while C55280 copper belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M44 steel and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
180

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Melting Completion (Liquidus), °C 1590
790
Melting Onset (Solidus), °C 1540
640
Specific Heat Capacity, J/kg-K 440
410
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Density, g/cm3 8.4
8.5
Embodied Carbon, kg CO2/kg material 9.9
4.2
Embodied Energy, MJ/kg 150
67

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 28 to 75
5.9
Strength to Weight: Bending, points 24 to 46
8.3
Thermal Shock Resistance, points 27 to 70
7.4

Alloy Composition

Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 12.3
0
Copper (Cu), % 0 to 0.25
90.5 to 91.4
Iron (Fe), % 65.3 to 70.6
0
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
6.8 to 7.2
Silicon (Si), % 0.3 to 0.55
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.0 to 5.8
0
Vanadium (V), % 1.9 to 2.2
0
Residuals, % 0
0 to 0.15