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SAE-AISI 8625 Steel vs. C72200 Copper-nickel

SAE-AISI 8625 steel belongs to the iron alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 24 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 SAE-AISI 8625 steel and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
48
Tensile Strength: Ultimate (UTS), MPa 510
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 410
230
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1420
1120
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 39
34
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
36
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.9
Embodied Energy, MJ/kg 20
59
Embodied Water, L/kg 50
300

Common Calculations

Stiffness to Weight: Axial, points 13
8.0
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18
11 to 18
Strength to Weight: Bending, points 18
12 to 17
Thermal Diffusivity, mm2/s 10
9.6
Thermal Shock Resistance, points 17
12 to 20

Alloy Composition

Carbon (C), % 0.23 to 0.28
0
Chromium (Cr), % 0.4 to 0.6
0.3 to 0.7
Copper (Cu), % 0
78.1 to 84.2
Iron (Fe), % 96.8 to 98
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.7 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
15 to 18
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.2