Quick Cool-Down Unit

Quick Cool-Down Unit

Tony Grant Jr.
Wells, Maine

When heating air-hardening steels, the quicker parts cool down to 150 degrees F for the draw, the better the hardness. To accomplish this, I built a cooling unit that uses a standard box fan and works for final draws.

Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.