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SAE-AISI A2 Steel vs. C72500 Copper-nickel

SAE-AISI A2 steel belongs to the iron alloys classification, while C72500 copper-nickel belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A2 steel and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
45
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1450
1130
Melting Onset (Solidus), °C 1410
1060
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 38
54
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
35
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 2.7
3.6
Embodied Energy, MJ/kg 38
55
Embodied Water, L/kg 73
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25 to 73
13 to 24
Strength to Weight: Bending, points 23 to 46
14 to 21
Thermal Diffusivity, mm2/s 10
16
Thermal Shock Resistance, points 25 to 71
14 to 27

Alloy Composition


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Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
85.2 to 89.7
Iron (Fe), % 89.4 to 93.3
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.2
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
8.5 to 10.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.8 to 2.8
Vanadium (V), % 0.15 to 0.5
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2