No the dont cut into the pipe deep enough to make a sound thread as s/s is to hard and they kill the die!
S/Steel dies should be used.
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In some cases yes. If the stainless steel was not passified (removing iron particles left on stainless steel by contact with tool steel dies) with nitric or sulfuric acid then yes.
hardness of martensite is greater than bionite and fine pearlite.
It's a thread that's been formed by rolling the piece while hot between two dies.
threads are made by high carbon steel and high speed steel. the body of die made by steel and carbon steel
Taps and dies are used in threading. To make an internal thread, you drill a hole smaller than the thread width, then slowly screw a 'tap' into it cutting a thread very slowly. -For an external thread, you choose a rod or bolt larger than the final thread, then screw a hard, threaded disc down onto it.