Roll manufacturing Penna Flame s roll manufacturing division was initially created due to the Automotive Industry s need to have processing rolls manufactured, with adequate case depth, to help prolong roll life. Penna Flame met this demand with a material change and our Uni-Max case precision r...

Additional services While we constantly strive to be the leader of the flame hardening industry, Penna Flame has recognized the need to develop our skills in other areas as well. As different customers express the need for a variety of different services we have expanded our areas of proficiency. In...

Contact Penna Flame Penna Flame Industries is dedicated to meeting the changing and increasingly sophisticated needs of the industrial market place for flame hardening and roll manufacturing services. If you are requesting a quote or more information on a specific product or service, please fill out...

Flame Hardening Since 1968 Penna Flame Industries has been in the business of flame hardening steel. Each order is assigned a unique operating procedure developed by combining metallurgical study with over 40 years of practical experience. Our technique and traceability are unparalleled and we promi...

Hardness and case depth chart * For modified grades of 52100 and Work Roll materials, please inquire us at 1-800-245-5084 and ask for Bruce Curry, Vice President / Sales. Note: This chart is a general guide. Hardness and case depth's may vary depending on the flame hardening technique used and actua...