AISI 205 Stainless Steel vs. ASTM B563 Pd-Ag-Cu

AISI 205 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 AISI 205 stainless steel and the bottom bar is ASTM B563 Pd-Ag-Cu.

AISI 205 (S20500) Stainless Steel ASTM B563 Palladium-Silver-Copper Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		11 to 51
Elongation at Break, %		7.0 to 17

Poisson's Ratio		0.28
Poisson's Ratio		0.37

Shear Modulus, GPa		77
Shear Modulus, GPa		37

Shear Strength, MPa		560 to 850
Shear Strength, MPa		470 to 690

Tensile Strength: Ultimate (UTS), MPa		800 to 1430
Tensile Strength: Ultimate (UTS), MPa		760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		150

Melting Completion (Liquidus), °C		1380
Melting Completion (Liquidus), °C		1180

Melting Onset (Solidus), °C		1340
Melting Onset (Solidus), °C		1030

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		260

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Density, g/cm³		7.6
Density, g/cm³		11

Common Calculations

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

Stiffness to Weight: Bending, points		26
Stiffness to Weight: Bending, points		14

Strength to Weight: Axial, points		29 to 52
Strength to Weight: Axial, points		19 to 30

Strength to Weight: Bending, points		25 to 37
Strength to Weight: Bending, points		17 to 22

Thermal Shock Resistance, points		16 to 29
Thermal Shock Resistance, points		39 to 61

Alloy Composition

Carbon (C), %		0.12 to 0.25
Carbon (C), %		0

Chromium (Cr), %		16.5 to 18.5
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		15.5 to 16.5

Iron (Fe), %		62.6 to 68.1
Iron (Fe), %		0

Manganese (Mn), %		14 to 15.5
Manganese (Mn), %		0

Nickel (Ni), %		1.0 to 1.7
Nickel (Ni), %		0.8 to 1.2

Nitrogen (N), %		0.32 to 0.4
Nitrogen (N), %		0

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

Phosphorus (P), %		0 to 0.060
Phosphorus (P), %		0

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

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

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

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

Residuals, %		0
Residuals, %		0 to 0.4