Platinum

General Alloy Overview

ASTM

B 561 (Refined Platinum)

Application Examples

Interventional Cardiology

Industry Examples

Medical Device

Tempers

Cold Worked

Available Forms

Intermediate Wire, Fine Wire

Constant (Temper - Independent) Properties

ParameterValue
Melting Temperature, °F (°C)3214 (1768)
Density, dwt/in3 (g/cm3)226.0 (21.45)
Electrical Resistivity, µΩ-cmf (µΩ-cm)0.632 (0.105)
Electrical Conductivity, %IACS16.4
Temperature Coefficent of Resistance, /°F (/K)2.2E-03 (3.9E-03)
Thermal Conductivity, Btu/hr-ft-°F (W/m-K)41.4 (71.6)
Coefficient of Thermal Expansion, /°F (/K)5.1E-06 (9.1E-05)
Thermal EMF vs. Pt, µV/°F (µV/°C)0 (0)
Specific Heat Capacity, Btu/lb-°F (J/g-K)0.032 (0.132)
Elastic Modulus, Msi (GPa)24.4 (168)
ParameterValue
Shear Modulus, Msi (GPa)10.8 (61.0)
Poisson's Ratio0.380
Single phase/multiphaseSingle
Lattice parameter, Å (a,b)3.92
Emissivity0.05
Thermal EMF vs. Pt, µV/°F (µV/°C)-2.9E-03 (-5.2E-03)
Contact resistance (Cres), 30 gf, mΩ6
Cres, oxidized 1,000h@150°C, 30 gf, mΩ6
Cres, flowers of sulfur 720h@50°C, 30gf9
Magnetic Susceptibility, Mass, m3/kg9.27E-03

Cold Worked

Intermediate Wire

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)54 (370)
Ultimate Tensile Strength, ksi (MPa)57 (390)
Elongation to Failure, %3
ParameterValue
Knoop Microhardness, HK105
Vickers Microhardness95

Strip

ParameterValue
0.2% Offset Yield Strength, ksi (MPa)30 (205)
Ultimate Tensile Strength, ksi (MPa)64 (440)
Elongation to Failure, %3

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