Physical Properties
| Annealed Condition |
|
|
| |
|
90/10 Plat Iridium |
|
80/20 Plat Iridium |
| Density |
|
21.53 g/cc |
|
21.61 g/cc |
Mechanical Properties
| Ultimate Tensile
Strength |
|
55,100 PSI |
|
100,000 PSI |
| Electrical Resistivity |
|
.000025 ohm-cm |
|
.000031 ohm-cm |
| Hardness Brinell |
|
130 |
|
200 |
Applications
The alloy 90/10 plat iridium, containing 10 per cent iridium, has very
good all round manufacturing characteristics: it can be cast, welded,
machined and stamped; it is ductile and malleable; can be hardened through
working; and does not readily oxidize. Because of these advantages 90/10
Plat Iridium has traditionally been one of the most important jewelry
alloys used in the USA, although there has recently been a swing toward
alloys of 95/5 Plat Iridium. Some manufacturers in Germany and Japan also
prefer the 95/5 alloy. The 80/20 Plat Iridium alloy is very hard and
dense, and is sometimes used in the production of fine wirework.
Some uses for platinum iridium alloys include pacemakers, used to treat
heart disorders that result in slow or irregular heartbeat, usually
contain at least two platinum-iridium electrodes, through which pulses of
electricity are transmitted to stabilize the heartbeat.
Other uses of platinum iridium alloys include electrical contacts, spark
plugs, electro explosive devices, medical leads and electrodes,
thermistors, catalytic applications, jewelry, pen points, surgical pins or
pivots and the kilogram and meter standards used by the department of
weights and measures.
Fabrication and Forms
Platinum-Iridium is generally available as wire spooled onto spools or
random length piece rod, strip, ribbon, foil or sheet. H Cross Company can
provide this material in wire sizes from .005" diameter up to .100"
diameter, strips and ribbons from .0005" thick to .020" thick and from
.020" to .100" wide and in sheet or foil form from .0005" thick to .020"
thick and up to 2" wide. Please
email us
if you have needs outside of
these ranges, as we will always try to be of assistance for your specific
requests.
Packaging
Each H. Cross Company product is delivered in packaging specifically
designed for the product's application. As an example, wire is furnished
on returnable plastic reels, each containing a single length of wire
measuring 10 feet minimum. Strips, Ribbons, Sheets and foils are flat
packed to prevent damage during shipping. If required, H. Cross Company
can adapt standard packaging methods or develop new ones for your special
needs. |
