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Posted by Black Dragon on May 31, 2008, 8:46 pm
Please log in for more thread options John R. Carroll wrote:
> Black Dragon wrote:
>> John R. Carroll wrote:
>>> John2005 wrote:
>>>> Hi everyone,
>>>> Can anyone please tell me what machinable pre-hard steel has the
>>>> highest compressive yield strength ? I'm guessing it would be a pre-
>>>> hard 4000 series, perhaps 4340 or a bearing steel or pre-hard tool
>>>> steel.
>>>> I'm looking for the highest yield strength I can find in a steel
>>>> that is still machinable, i.e., not so hard that it can't really be
>>>> machined effectively. Depending on how the part is machined, I would
>>>> need a thickness of around 1.338" or 1.585".
>>> NAK 55
>> DH2F
>> Viscount 44
> 44 is a pain. It's nothng more than H-13 without the Tungsten.
> It also isn't pre hardened. You have to do that yourself.
John, Viscount (pronounced vi-count) 44 is Rockwell C 42/46 off the
shelf. The only heat treatment I've ever seen done to it is nitriding
for wear resistance. It's more difficult to drill than NAK 55 and DH2F
but other than that it's not a bad material to work with.
--
Black Dragon
Reformed, n:
A synagogue that closes for the Jewish holidays.
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>
> Can anyone please tell me what machinable pre-hard steel has the
> highest compressive yield strength ? I'm guessing it would be a pre-
> hard 4000 series, perhaps 4340 or a bearing steel or pre-hard tool
> steel.
>
> I'm looking for the highest yield strength I can find in a steel that
> is still machinable, i.e., not so hard that it can't really be
> machined effectively. Depending on how the part is machined, I would
> need a thickness of around 1.338" or 1.585".
>