70Ag-30Ni Alloy vs. S44330 Stainless Steel

70Ag-30Ni alloy belongs to the otherwise unclassified metals classification, while S44330 stainless steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is 70Ag-30Ni alloy and the bottom bar is S44330 stainless steel.

70-Silver 30-Nickel Electrical Contact Alloy UNS S44330 Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.35
Poisson's Ratio		0.27

Shear Modulus, GPa		39
Shear Modulus, GPa		78

Tensile Strength: Ultimate (UTS), MPa		320 to 530
Tensile Strength: Ultimate (UTS), MPa		440

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		290

Melting Completion (Liquidus), °C		960
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		960
Melting Onset (Solidus), °C		1390

Specific Heat Capacity, J/kg-K		300
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		69
Electrical Conductivity: Equal Volume, % IACS		2.7

Electrical Conductivity: Equal Weight (Specific), % IACS		62
Electrical Conductivity: Equal Weight (Specific), % IACS		3.1

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		7.7

Common Calculations

Stiffness to Weight: Axial, points		5.8
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		16
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		8.8 to 15
Strength to Weight: Axial, points		16

Strength to Weight: Bending, points		10 to 15
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		13 to 21
Thermal Shock Resistance, points		16

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.025

Chromium (Cr), %		0
Chromium (Cr), %		20 to 23

Copper (Cu), %		0
Copper (Cu), %		0.3 to 0.8

Iron (Fe), %		0
Iron (Fe), %		72.5 to 79.7

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

Nickel (Ni), %		28.8 to 31
Nickel (Ni), %		0

Niobium (Nb), %		0
Niobium (Nb), %		0 to 0.8

Nitrogen (N), %		0
Nitrogen (N), %		0 to 0.025

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0 to 1.0

Silver (Ag), %		69 to 71
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.8

Residuals, %		0 to 0.2
Residuals, %		0