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CR012A Copper vs. Grade 250 Maraging Steel

CR012A copper belongs to the copper alloys classification, while grade 250 maraging steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
7.3 to 17
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 220
970 to 1800
Tensile Strength: Yield (Proof), MPa 130
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Melting Completion (Liquidus), °C 1090
1480
Melting Onset (Solidus), °C 1040
1430
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
32
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
4.9
Embodied Energy, MJ/kg 42
65
Embodied Water, L/kg 360
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
130 to 150
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 6.8
33 to 61
Strength to Weight: Bending, points 9.0
26 to 40
Thermal Shock Resistance, points 7.8
29 to 54

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Bismuth (Bi), % 0 to 0.00050
0
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), % 99.85 to 99.94
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
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020