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Welding rolls suit electric resistance welding

An International Syalons (Newcastle) product story
Edited by the Engineeringtalk editorial team Feb 17, 2009

International Syalons manufactures a range of sialon welding rolls for use in electric resistance welding (EWS).

In the EWS process, the welding rolls (also known as squeeze rolls) apply the pressure to the tube while the metal is being heated, often by high-frequency induction heating, which gives a forged weld.

This process puts a number of demands on the welding roll material.

It requires high strength, thermal shock resistance, wear resistance and high electrical resistance.

The pipe temperature can approach the melting point of the metal and so high temperature stability is also required.

Syalon 101 meets all these requirements, resulting in advantages such as improved pipe quality, reduced roll maintenance, reduced welding failures and reduced cooling requirement.

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