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Annealed SAE-AISI A9 vs. Annealed Silver

Annealed SAE-AISI A9 belongs to the iron alloys classification, while annealed silver belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 21
29
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 74
26
Shear Strength, MPa 480
120
Tensile Strength: Ultimate (UTS), MPa 770
190

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Melting Completion (Liquidus), °C 1460
960
Melting Onset (Solidus), °C 1410
960
Specific Heat Capacity, J/kg-K 470
240
Thermal Conductivity, W/m-K 35
420
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
100
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
87

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 25
13
Strength to Weight: Axial, points 28
4.9
Strength to Weight: Bending, points 24
6.9
Thermal Diffusivity, mm2/s 9.6
170
Thermal Shock Resistance, points 25
9.5

Alloy Composition


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Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 87 to 90.5
0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 1.3 to 1.8
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.0 to 1.2
0
Silver (Ag), % 0
99.9 to 100
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.8 to 1.4
0
Residuals, % 0
0 to 0.1