- General Designation: PtIr20
- Applications: contacts, electrodes, sliding contacts, spark plug electrodes, Medical wire
- Product Forms: wire
- Density (g/cm³): 21.7
PtIr20 / Hera 174
Details
- Age Hardenable
- Yes
- Material Behaviour
- ductile
- Forming Process
- formable, machinable, can be roll clad
- IACS Min. (%) [100% IACS ≙ 58 S*m/mm²]
- 5.38
- IACS Max. (%) [100% IACS ≙ 58 S*m/mm²]
- 5.55
- Thermo-emf. vs. copper Hard (mV)
- 0.51
- Temperature coefficient of electric resistivity
-
From Temperature (°C)To Temperature (°C)Hard (x10-4/K)Annealed (x10-4/K)
0 100 7.5 8.2 - Sliding Contact
-
From AmpereTo AmpereFrom VoltTo Volt
0.01 1 0 30
- Young's Modulus (GPa)
- 255
- Modulus of Rigidity (GPa)
- 86
- Annealed
-
Hardness (HV)Tensile strength (MPa)Yield strength (MPa)Elongation (%)
190 570 380 21 - Work hardened
-
Hardness (HV)Tensile Strength (MPa)Yield Strength (MPa)Elongation (%)
300 940 920 2 - Property Range
-
Hardness (HV)Tensile Strength (MPa)Yield Strength (MPa)Elongation (%)
190 - 300 570 - 940 380 - 920 2 - 21
- Melting Range
-
From Temperature (°C)To Temperature (°C)
1830 1855 - Linear Coefficient of Expansion³
-
From Temperature (°C)To Temperature (°C)Coefficient (x10-6/K)
20 300 7.7
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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