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CC381H Copper-nickel vs. Grade 250 Maraging Steel

CC381H copper-nickel 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 (11, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
190
Elongation at Break, % 20
7.3 to 17
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 52
75
Tensile Strength: Ultimate (UTS), MPa 380
970 to 1800
Tensile Strength: Yield (Proof), MPa 140
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Melting Completion (Liquidus), °C 1180
1480
Melting Onset (Solidus), °C 1120
1430
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 40
32
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 5.0
4.9
Embodied Energy, MJ/kg 73
65
Embodied Water, L/kg 280
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60
130 to 150
Stiffness to Weight: Axial, points 8.6
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 12
33 to 61
Strength to Weight: Bending, points 13
26 to 40
Thermal Shock Resistance, points 13
29 to 54

Alloy Composition

Aluminum (Al), % 0 to 0.010
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0 to 0.030
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 64.5 to 69.9
0
Iron (Fe), % 0.5 to 1.5
66.3 to 71.1
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 29 to 31
17 to 19
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Zinc (Zn), % 0 to 0.5
0
Zirconium (Zr), % 0
0 to 0.020