S38815 Stainless Steel vs. ASTM B563 Pd-Ag-Cu

S38815 stainless steel belongs to the iron alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is ASTM B563 Pd-Ag-Cu.

UNS S38815 Stainless Steel ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		100

Elongation at Break, %		34
Elongation at Break, %		7.0 to 17

Poisson's Ratio		0.29
Poisson's Ratio		0.37

Shear Modulus, GPa		74
Shear Modulus, GPa		37

Shear Strength, MPa		410
Shear Strength, MPa		470 to 690

Tensile Strength: Ultimate (UTS), MPa		610
Tensile Strength: Ultimate (UTS), MPa		760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		150

Melting Completion (Liquidus), °C		1360
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		1310
Melting Onset (Solidus), °C		1030

Specific Heat Capacity, J/kg-K		500
Specific Heat Capacity, J/kg-K		260

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Density, g/cm³		7.5
Density, g/cm³		11

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		5.2

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		14

Strength to Weight: Axial, points		22
Strength to Weight: Axial, points		19 to 30

Strength to Weight: Bending, points		21
Strength to Weight: Bending, points		17 to 22

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		39 to 61

Alloy Composition

Aluminum (Al), %		0 to 0.3
Aluminum (Al), %		0

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

Chromium (Cr), %		13 to 15
Chromium (Cr), %		0

Copper (Cu), %		0.75 to 1.5
Copper (Cu), %		15.5 to 16.5

Iron (Fe), %		56.1 to 67
Iron (Fe), %		0

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		0

Molybdenum (Mo), %		0.75 to 1.5
Molybdenum (Mo), %		0

Nickel (Ni), %		13 to 17
Nickel (Ni), %		0.8 to 1.2

Palladium (Pd), %		0
Palladium (Pd), %		43 to 45

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

Platinum (Pt), %		0
Platinum (Pt), %		0.8 to 1.2

Silicon (Si), %		5.5 to 6.5
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		37 to 39

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0

Residuals, %		0
Residuals, %		0 to 0.4