Quick Cool-Down Unit

May 9, 2006

Tony Grant Jr.Wells, Maine www.aminfo.biz/418.ad 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 ...

Tony Grant Jr.
Wells, Maine
www.aminfo.biz/418.ad

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.