AuPd27Ag18Sn3 / Hera 277

  • General Designation: AuPd27Ag18Sn3
  • Applications: slip rings, sliding contacts, contacts
  • Product Forms: wire
  • Density (g/cm³): 14.03

Details

Age Hardenable
Yes
Material Behaviour
ductile
Forming Process
formable, machinable, can be roll clad

Corrosion Resistant
corrosion resistant
Comment
oxidation resistant, wear resistant

IACS Min. (%) [100% IACS ≙ 58 S*m/mm²]
5.77
IACS Max. (%) [100% IACS ≙ 58 S*m/mm²]
5.79
Thermo-emf. vs. copper Hard (mV)
-0.64
Temperature coefficient of electric resistivity
From Temperature (°C)
To Temperature (°C)
Hard (x10-4/K)
Annealed (x10-4/K)
0 100 2.7 1.8

Young's Modulus (GPa)
124
Annealed
Hardness (HV)
Tensile strength (MPa)
Yield strength (MPa)
Elongation (%)
120 - 220 500 - 750 > 25
Stress Relieved
Hardness (HV)
Tensile strength (MPa)
Yield strength (MPa)
Elongation (%)
220 - 290 750 - 950 4 - 15
Age hardened
Hardness (HV)
Tensile strength (MPa)
Yield strength (MPa)
Elongation (%)
280 - 350 900 - 1150 < 3
Property Range
Hardness (HV)
Tensile Strength (MPa)
Yield Strength (MPa)
Elongation (%)
120 - 350 500 - 1150 250 - 1000 1 - 30

Melting Range
From Temperature (°C)
To Temperature (°C)
1190 1230
Thermal conductivity (W /(m*K)) [RT]
31
Linear Coefficient of Expansion³
From Temperature (°C)
To Temperature (°C)
Coefficient (x10-6/K)
20 100 14.08
20 200 13.89
20 300 14.12
20 400 14.22
20 500 14.51
20 600 14.77
20 700 15.13
20 800 15.49
20 900 15.82
20 950 15.99
100 200 13.73
200 300 14.56
300 400 14.49
400 500 15.64
500 600 16.03
600 700 17.16
700 800 18
800 900 18.37
900 950 19.01

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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