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SAE-AISI A9 Steel vs. C74000 Nickel Silver

SAE-AISI A9 steel belongs to the iron alloys classification, while C74000 nickel silver belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A9 steel and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
44
Tensile Strength: Ultimate (UTS), MPa 770 to 2030
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
200
Melting Completion (Liquidus), °C 1460
990
Melting Onset (Solidus), °C 1410
950
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
40
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
42

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
30
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 4.7
3.4
Embodied Energy, MJ/kg 70
54
Embodied Water, L/kg 82
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 73
13 to 19
Strength to Weight: Bending, points 24 to 46
14 to 18
Thermal Shock Resistance, points 25 to 66
13 to 19

Alloy Composition

Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
69 to 73.5
Iron (Fe), % 87 to 90.5
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
9.0 to 11
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.0 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.8 to 1.4
0
Zinc (Zn), % 0
14.2 to 22
Residuals, % 0
0 to 0.5