Hey - did you know if you click on the title of a thread it will take you to the first unread post since you last visited that thread?
but were afraid to ask: 
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Pretty Please - add it to our Events forum(s) and add to the calendar! >> 
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Would use DOM for your crush tubes. What sort of treatment are you giving to the quill shafts?
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Rebuilding TVR Vixen 2500 Rear Uprights...
- Thread starter Rocky_LC
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Rocky_LC
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I thought I bought DOM from Industrial Metal Supply, but am not seeing it on the paperwork.
Here's what I got in the paperwork for the AISI 300M Alloy:
Heat Treatment
AISI 300M alloy steel is normalized at 927°C (1700°F). It is then heated at 872°C (1600°F)
followed by oil quenching oil and tempering.
Tempering
AISI 300M alloy steel can be tempered at (600°F) to achieve 300 ksi strength.
I still need to do some research on times, but it looks like our furnace will do what we need to do.
Rocky
Here's what I got in the paperwork for the AISI 300M Alloy:
Heat Treatment
AISI 300M alloy steel is normalized at 927°C (1700°F). It is then heated at 872°C (1600°F)
followed by oil quenching oil and tempering.
Tempering
AISI 300M alloy steel can be tempered at (600°F) to achieve 300 ksi strength.
I still need to do some research on times, but it looks like our furnace will do what we need to do.
Rocky