Palladium / Pd

  • General Designation: Palladium
  • Applications: catalysts, plugging contacts, switching contacts, diffusion barrier for low-load contacts, conductive pastes, hydrogen diffusion cells
  • Product Forms: wire, sheet, strip
  • Density (g/cm³): 12.02

Details

Age Hardenable
No
Material Behaviour
ductile
Forming Process
formable, machinable, can be roll clad

Observations
In contact with
Temperature (°C)
Medium
Condition
Corrosion
20 solid moist light corrosive attack
20 ethanol/iodine - light corrosive attack
20 nitric acid HNO3 65% total corrosion
20 hydrobromic acid HBr 60% total corrosion
20 sodium hypochlorite NaClO relatively severe attack
20 potassium cyanide KCN relatively severe attack
20 hydrochloric acid/chlorine 20% relatively severe attack
20 hydro-iodic acid HI 57% total corrosion
20 bromine water - light corrosive attack
96 sulphuric acid H2SO4 96% no measurable corrosion
20 hydrofluoric acid HF 40% no measurable corrosion
20 hydrochloric acid/chlorine 36% no measurable corrosion
20 solid dry no measurable corrosion
20 hydrogen sulphide H2S moist no measurable corrosion
20 hydrofluoric acid HF - no measurable corrosion
80 hydrochloric acid HCl 20%/saturated total corrosion
100 copper(II) chloride CuCl2 - light corrosive attack
100 hydrochloric acid HCl 36% light corrosive attack
100 phosphoric acid - light corrosive attack
100 acetic acid 99 no measurable corrosion
100 aluminium sulphate Al2(SO4)3 - no measurable corrosion
100 glacial acetic acid CH3COOH - no measurable corrosion
100 copper sulpühate CuSO4 - no measurable corrosion
100 hydrochloric acid/chlorine 20%/saturated relatively severe attack
100 sulphuric acid H2SO4 96% relatively severe attack
100 hydro-iodic acid HI 57% total corrosion
100 hydrobromic acid HBr 60% total corrosion
100 nitric acid HNO3 65% total corrosion
100 aqua regia HNO3+HCl - total corrosion
100 hydrochloric acid HCl 65% total corrosion
100 selenic acid H2SeO4 - total corrosion
100 hydrochloric acid/H2O2 - total corrosion
100 potassium cyanide KCN - total corrosion
100 hydrochloric acid/bromine - total corrosion
100 sodium hypochlorite NaClO - total corrosion
150 aqua regia HNO3+HCl - total corrosion
300 sulphuric acid H2SO4 96% total corrosion
440 potassium bisulphate KHSO4 air access light corrosive attack
500 sodium hydroxide NaOH air access light corrosive attack
500 potassium hydroxide KOH air access light corrosive attack
550 molten NaCN/KCN (2:1) air access relatively severe attack
700 molten NaCN air access relatively severe attack
700 potassium cyanide KCN air access total corrosion
800 sodium hydroxide NaOH air access relatively severe attack
800 potassium hydroxide KOH air access relatively severe attack
Corrosion Resistant
corrosion resistant
Comment
wear resistant
Sources Chemical
¹ Edelmetall-Taschenbuch, ISBN 3-7785-2448-8

IACS Min. (%) [100% IACS ≙ 58 S*m/mm²]
17.03
IACS Max. (%) [100% IACS ≙ 58 S*m/mm²]
17.37
Thermo-emf. vs. copper Hard (mV)
-1.31
Temperature coefficient of electric resistivity
From Temperature (°C)
To Temperature (°C)
Hard (x10-4/K)
Annealed (x10-4/K)
0 100 37.2
0 200 36.5
0 300 35.8
0 400 35
0 500 34.1
0 600 33.1
0 700 32
0 800 30.6
0 900 29.3
0 1000 27.7
0 1100 25.9
0 1200 23.6
0 1300 20

Young's Modulus (GPa)
121
Modulus of Rigidity (GPa)
50
Poission's ratio
0.39
Annealed
Hardness (HV)
Tensile strength (MPa)
Yield strength (MPa)
Elongation (%)
40 180 65 35
Work hardened
Hardness (HV)
Tensile Strength (MPa)
Yield Strength (MPa)
Elongation (%)
210 480 400 3
Property Range
Hardness (HV)
Tensile Strength (MPa)
Yield Strength (MPa)
Elongation (%)
40 - 210 180 - 480 65 - 400 3 - 35

Melting Range
From Temperature (°C)
To Temperature (°C)
1552
Thermal conductivity (W /(m*K)) [RT]
75
Linear Coefficient of Expansion³
From Temperature (°C)
To Temperature (°C)
Coefficient (x10-6/K)
0 100 11.9
0 200 12.1
0 300 12.3
0 400 12.6
0 500 12.8
0 600 13
0 700 13.2
0 800 13.4
0 900 13.6
0 1000 13.9

Disclaimer

The information in this data sheet contains only general information on the use of our products or examples for their application. They do not release the customer from a careful inspection of the delivered product for its fitness for the customer's particular purpose of use. Any customer's special requests regarding the particular use of a product will only be authoritative if Heraeus has confirmed to the customer in writing at the time of conclusion of a corresponding contract that the product delivered is fit for the customer's intended use. Heraeus, therefore, does not guarantee the correctness and completeness of the information regarding the customer's intended use. The customer's purchase will be governed exclusively by the written order confirmation of Heraeus and the Heraeus General Terms of Sale and Delivery, which are available at www.heraeus.com/gtc. This data sheet may be subject to changes at any time.

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