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C55281 Copper vs. Grade 250 Maraging Steel

C55281 copper belongs to the copper alloys classification, while grade 250 maraging steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C55281 copper and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 190
970 to 1800

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Melting Completion (Liquidus), °C 810
1480
Melting Onset (Solidus), °C 640
1430
Specific Heat Capacity, J/kg-K 400
450
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 7.0
4.9
Embodied Energy, MJ/kg 110
65

Common Calculations

Stiffness to Weight: Axial, points 6.9
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 6.1
33 to 61
Strength to Weight: Bending, points 8.5
26 to 40
Thermal Shock Resistance, points 7.7
29 to 54

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 88.5 to 89.4
0
Iron (Fe), % 0
66.3 to 71.1
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0
17 to 19
Phosphorus (P), % 5.8 to 6.2
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.15
0