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ASTM B628 Ag-Cu vs. SAE-AISI 4150 Steel

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while SAE-AISI 4150 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B628 Ag-Cu and the bottom bar is SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 1.1 to 17
12 to 20
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 31
73
Shear Strength, MPa 210 to 430
410 to 800
Tensile Strength: Ultimate (UTS), MPa 350 to 760
660 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 140
250
Melting Completion (Liquidus), °C 780
1460
Melting Onset (Solidus), °C 780
1420
Specific Heat Capacity, J/kg-K 280
470
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 84
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 75
8.4

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
24
Strength to Weight: Axial, points 9.5 to 21
24 to 47
Strength to Weight: Bending, points 11 to 18
22 to 34
Thermal Shock Resistance, points 16 to 34
19 to 39

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 26.6 to 29
0
Iron (Fe), % 0 to 0.050
96.7 to 97.7
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0

Comparable Variants