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Found 3 results

  1. A Christmas gift made from home-made coloured glass - this is a full crystal with colours made from scratch at 770 °C (1420 °F) - the furnace was designed and built from scratch using refractory brick and a home-made insulating castable ceramic refractory with FeCrAl heating elements - software PID control and PWM modulation give temperature stability of +/- 0.5 °C - good for heat treating and melting some metals - I still want to make some improvements to the texture of the glass but getting there...
  2. I have very little understanding of metallurgy, so bear with me as i try to explain my question . I'm wondering whether by laminating a lower carbon steel around the spine and sides of a higher carbon piece of steel in such a way that only the part that will be the cutting edge has exposed high carbon steel. Are you able to heat treat the blade as a whole and have the core and edge reach a nice hardness while the lower carbon wrap reaches a spring hardness for increased flex and durability? Sorry about the terribly worded question, happy to try explaining it with drawings if it's incomprehensible. Any advice is greatly appreciated!! Cheers
  3. I found this on Wiki while researching more things... I don't know if it's been posted before, I couldn't find it after looking through many pages... I thought I'd share it to help people looking for steels. http://en.wikipedia.org/wiki/List_of_blade_materials I also had a question on one of the steels listed... Has anyone had any work experience with 440C or 420 HC stainless? If so; Does sit forge well under a reducing atmo? Does it through or case harden? What is the edge retention like? Thanks for any time taken to help answer what may be very silly questions.
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