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Tool steel working temperature range

Tool steel working temperature range

Tool steel working temperature range

(OP)
What is the working temperature range for tool steels?
Are there any tool steels that can be used at -55C..-60C?

RE: Tool steel working temperature range

How is the tool steel being used? The temperature you quote might be local ambient but if its cutting steel it surely not going to be that cold.  

RE: Tool steel working temperature range

(OP)
I would like to make part named "stem key" for valve.
It's a kind of joint/insert that is out side the valve on the stem of the valve.
The ambient temperature will be around -55C..-60C.
I doubt that any tool steel will hold such low temp.

RE: Tool steel working temperature range

Why does it have to be a tool steel (tool steels are for hard surfaces such as machining parts and manual cutting e.g. axe) , lots of low alloys are austenitic and strong?  

RE: Tool steel working temperature range

(OP)
It doesn't have to be tool steel, I just checking some options.

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