AndyT":bbo6pc81 said:Anyone else reminded of Thunderbird 4 tucked safely inside Thunderbird 1?
jimi43":1a3x0s9t said:is really tough stuff...the amount of pressure required for the stamp was incredible..I was worried about it cracking!
jimi43":9tefqynz said:Andy...are you going to Ye Olde Kent Bashe? I could bring them to that but not sure I trust the Royal Mail enough to make multiple postal risks....unless you can think of a guaranteed way of doing it? :lol:
Jim
Hardening
From a 500deg (930F) preheat, raise pieces to 790deg - 815degC (1450-1500F) according to size, hold sufficient time for temperature to become uniform, but do not soak longer than necessary. Quench into oil which should be conveniently placed to avoid heat loss.
Tempering
150 - 300 degF Rockwell C62
Hold at tempering temperature for about 1 hour per inch of thickness
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