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R60705 Alloy vs. ASTM B628 Ag-Cu

Both R60705 alloy and ASTM B628 Ag-Cu are otherwise unclassified metals. There are 14 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 R60705 alloy and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
83
Elongation at Break, % 18
1.1 to 17
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 37
31
Tensile Strength: Ultimate (UTS), MPa 540
350 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Specific Heat Capacity, J/kg-K 270
280
Thermal Expansion, µm/m-K 6.3
19

Otherwise Unclassified Properties

Density, g/cm3 6.7
10

Common Calculations

Stiffness to Weight: Axial, points 8.1
4.6
Stiffness to Weight: Bending, points 23
14
Strength to Weight: Axial, points 22
9.5 to 21
Strength to Weight: Bending, points 22
11 to 18
Thermal Shock Resistance, points 63
16 to 34

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0
26.6 to 29
Hafnium (Hf), % 0 to 4.5
0
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Nickel (Ni), % 0
0 to 0.010
Niobium (Nb), % 2.0 to 3.0
0
Nitrogen (N), % 0 to 0.025
0
Oxygen (O), % 0 to 0.18
0
Phosphorus (P), % 0
0 to 0.030
Silver (Ag), % 0
71 to 73
Zinc (Zn), % 0
0 to 0.060
Zirconium (Zr), % 91 to 98
0
Residuals, % 0
0 to 0.21