ASTM B628 Ag-Cu vs. R58150 Titanium

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while R58150 titanium belongs to the titanium alloys. There are 17 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 R58150 titanium.

ASTM B628 Silver-Copper Eutectic Electrical Contact Alloy UNS R58150 Titanium (Ti-15Mo)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		83
Elastic (Young's, Tensile) Modulus, GPa		140

Elongation at Break, %		1.1 to 17
Elongation at Break, %		13

Poisson's Ratio		0.36
Poisson's Ratio		0.32

Shear Modulus, GPa		31
Shear Modulus, GPa		52

Shear Strength, MPa		210 to 430
Shear Strength, MPa		470

Tensile Strength: Ultimate (UTS), MPa		350 to 760
Tensile Strength: Ultimate (UTS), MPa		770

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		410

Melting Completion (Liquidus), °C		780
Melting Completion (Liquidus), °C		1760

Melting Onset (Solidus), °C		780
Melting Onset (Solidus), °C		1700

Specific Heat Capacity, J/kg-K		280
Specific Heat Capacity, J/kg-K		500

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		8.4

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		5.4

Common Calculations

Stiffness to Weight: Axial, points		4.6
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		32

Strength to Weight: Axial, points		9.5 to 21
Strength to Weight: Axial, points		40

Strength to Weight: Bending, points		11 to 18
Strength to Weight: Bending, points		35

Thermal Shock Resistance, points		16 to 34
Thermal Shock Resistance, points		48

Alloy Composition

Aluminum (Al), %		0 to 0.0050
Aluminum (Al), %		0

Cadmium (Cd), %		0 to 0.050
Cadmium (Cd), %		0

Carbon (C), %		0
Carbon (C), %		0 to 0.1

Copper (Cu), %		26.6 to 29
Copper (Cu), %		0

Hydrogen (H), %		0
Hydrogen (H), %		0 to 0.015

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0 to 0.1

Lead (Pb), %		0 to 0.030
Lead (Pb), %		0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		14 to 16

Nickel (Ni), %		0 to 0.010
Nickel (Ni), %		0

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.050

Oxygen (O), %		0
Oxygen (O), %		0 to 0.2

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0

Silver (Ag), %		71 to 73
Silver (Ag), %		0

Titanium (Ti), %		0
Titanium (Ti), %		83.5 to 86

Zinc (Zn), %		0 to 0.060
Zinc (Zn), %		0

Residuals, %		0 to 0.21
Residuals, %		0