Q: What is the difference between PT950 and PT1000 rings?
A: PT950 means that there are 950 parts of platinum in a 1000 mix ( 50 being an alloy to make the metal harder or more durable.) Pt 1000 means that there are almost 1000 parts of Platinum in a 1000 mix. It is actually 999.2 or so, with the very small difference being micro alloy for hardness.
Q2: Whats's the difference in terms of vickers hardness for both types of rings (PT1000 vs PT950)? I'm interested in A PT1000 wedding band but worry it may not be able to withstand the hard knocks as I work in A factory.
A2: The hardness of Micro alloyed Pt 1000 alloys is actually more than standard alloys. As long as it is not heated past annealing state. I would ask the merchant for the hardness I think it is around 160HV for the 1000 and 110 to 135 HV for the 950 depending on the alloy.
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