TPT July 2009

T echnology U pdate

Graphite and carbon powders

heat treated to specified depths, chromium plated if requested, and finished ground, ready to be placed on the machine. The main products in the field of pickling, galvanising and painting lines are: rolls for levellingand tension-levellingmachines; rolls for straightening and flattening machines; rolls for descaling machines; processor/ deflector rolls; pinch rolls; and bridle rolls. All of these are produced from quenched and tempered alloy steels, hardened and ground, and finished completely in accordance with customers’ applications, technical specifications and drawings. The company also manufactures work and back-up rolls for hot and cold plate leveller machines, manufactured from alternative steel grades, depending on the application and on the working temperature of the machine. Comesa’s range also includes form rolls for straightening rounds, flats, rolled sections, pipes and tubes from tool, high-speed or powder metallurgic steel. Comesa Srl – Italy Fax : +39 051 328051

tool life and quality, and lower rejects or improve yield in the forging industry, and are produced with Timcal graphite and ecologically safe inorganic and/or organic additives and water. Timcal Graphite & Carbon – Switzerland

Timcal Graphite & Carbon manufactures high-grade graphite and carbon powders, and places an emphasis on the development and end-user application of lubricants and scale treatment agents of hot metal forming processes. These activities fall into three categories: products, application equipment and technical services, collectively forming Timcal Rollit Technologies. To withstand the high pressures, temperatures and friction during the rolling process, as well as for ecological reasons, the company’s mandrel bar lubricants are based on high-grade Timcal graphite, selected organic and inorganic additives and water. They can be supplied in either powder or liquid form. The Timcal Rollit EZ range features products for treating scale in shell interiors and/or for lubricating shells. The products are supplied in powder form, based on mixtures of Timcal graphite and special organic and inorganic salts. The company’s forging lubricants are designed to improve metal flow, increase

Email : info@ch.timcal.com Website : www.timcal.com Russian sales agency: Fa Permanent K&M – Russia Fax : +7 495 780 3429 Email : info@permanent.ru Website : www.permanent.ru

Italian rolls Comesa Srl is an Italian company with experience and expertise in steel processing and heat-treatment techniques, specialising in the manufacture of steel rolls and wear- parts, and providing a complete in-house production service. The company produces rolls according to customers’ drawings in forged steel,

Email : info@comesa-it.com Website : www.comesa-it.com

CON.T.R.A.S.T.

www.contrastsale.com

info@contrastsale.com

Impeder core for high frequency welding of tubes

Fiberglass pipes for impeder core

Tungsten carbide insert for outside tube scarfing

HSS-DMo5 saw blades & friction circular saw blades

CON.T.R.A.S.T. 30026 PORTOGRUARO - Italy - Via Umbria, 15 Tel. ++39.0421.271699 Fax ++39.0421.770571

65

www.read-tpt.com

J uly 2009

›