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CC381H Copper-nickel vs. SAE-AISI M34 Steel

CC381H copper-nickel belongs to the copper alloys classification, while SAE-AISI M34 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is CC381H copper-nickel and the bottom bar is SAE-AISI M34 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 52
77
Tensile Strength: Ultimate (UTS), MPa 380
800 to 2170

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Melting Completion (Liquidus), °C 1180
1540
Melting Onset (Solidus), °C 1120
1500
Specific Heat Capacity, J/kg-K 410
450
Thermal Conductivity, W/m-K 30
24
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
9.5
Embodied Energy, MJ/kg 73
140
Embodied Water, L/kg 280
150

Common Calculations

Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 12
27 to 74
Strength to Weight: Bending, points 13
23 to 46
Thermal Diffusivity, mm2/s 8.4
6.7
Thermal Shock Resistance, points 13
25 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0 to 0.030
0.85 to 0.92
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 64.5 to 69.9
0 to 0.25
Iron (Fe), % 0.5 to 1.5
71.3 to 76.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0.6 to 1.2
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 9.2
Nickel (Ni), % 29 to 31
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
0.2 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.9 to 2.3
Zinc (Zn), % 0 to 0.5
0