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C71500 Copper-nickel vs. SAE-AISI H25 Steel

C71500 copper-nickel belongs to the copper alloys classification, while SAE-AISI H25 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is SAE-AISI H25 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
79
Tensile Strength: Ultimate (UTS), MPa 380 to 620
710 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 230
250
Melting Completion (Liquidus), °C 1240
1750
Melting Onset (Solidus), °C 1170
1700
Specific Heat Capacity, J/kg-K 400
420
Thermal Conductivity, W/m-K 28
26
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 41
38
Density, g/cm3 8.9
9.1
Embodied Carbon, kg CO2/kg material 5.1
6.2
Embodied Energy, MJ/kg 74
93
Embodied Water, L/kg 280
83

Common Calculations

Stiffness to Weight: Axial, points 8.6
12
Stiffness to Weight: Bending, points 19
22
Strength to Weight: Axial, points 12 to 19
22 to 50
Strength to Weight: Bending, points 13 to 18
20 to 34
Thermal Diffusivity, mm2/s 7.7
6.7
Thermal Shock Resistance, points 12 to 20
22 to 49

Alloy Composition

Carbon (C), % 0
0.22 to 0.32
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 63.5 to 70.6
0 to 0.25
Iron (Fe), % 0.4 to 1.0
77.2 to 81.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Nickel (Ni), % 29 to 33
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0