Annealed ASTM B780 Alloy vs. Annealed S46910 Stainless Steel

Annealed ASTM B780 alloy belongs to the otherwise unclassified metals classification, while annealed S46910 stainless steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is annealed ASTM B780 alloy and the bottom bar is annealed S46910 stainless steel.

Annealed ASTM B780 Silver-Copper-Nickel Alloy Annealed S46910 Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		83
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		9.1
Elongation at Break, %		11

Poisson's Ratio		0.36
Poisson's Ratio		0.28

Shear Modulus, GPa		30
Shear Modulus, GPa		76

Shear Strength, MPa		200
Shear Strength, MPa		410

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		680

Thermal Properties

Latent Heat of Fusion, J/g		140
Latent Heat of Fusion, J/g		280

Melting Completion (Liquidus), °C		860
Melting Completion (Liquidus), °C		1460

Specific Heat Capacity, J/kg-K		270
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		7.9

Common Calculations

Stiffness to Weight: Axial, points		4.5
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		14
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		9.1
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		11
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		16
Thermal Shock Resistance, points		23

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0.15 to 0.5

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

Carbon (C), %		0
Carbon (C), %		0 to 0.030

Chromium (Cr), %		0
Chromium (Cr), %		11 to 13

Copper (Cu), %		23.5 to 25.7
Copper (Cu), %		1.5 to 3.5

Iron (Fe), %		0 to 0.050
Iron (Fe), %		65 to 76

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

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		3.0 to 5.0

Nickel (Ni), %		0.35 to 0.65
Nickel (Ni), %		8.0 to 10

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

Silicon (Si), %		0
Silicon (Si), %		0 to 0.7

Silver (Ag), %		74 to 76
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.015

Titanium (Ti), %		0
Titanium (Ti), %		0.5 to 1.2

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