Shanghai Global Fusion Materials Technology Co.Ltd

Add: No. 588, Jinyuan No.1 Road, Jiading District, Shanghai, China

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Laser cladding
Mar 07, 2019

To discuss laser cladding in comparison to Plasma Transferred Arc (PTA), TIG, or GTAW welding.  Let’s use the example of a typical valve that is common in the power generation industry. It will probably be coated with Cobalt 6, also known as Stellite 6 by its common trade name.  Cobalt 6 is one of the most prominent alloys used on valve seating surfaces to protect against galling and wear.  If the valve is coated using traditional methods like PTA, the coating is applied very thick to overcome problems caused by dilution.

The advantages of laser cladding became obvious during a recent quote for a large valve company.  The valve manufacturer came to us with a print asking us to apply a coating of Cobalt 6 to a thickness of 0.160” on a set of ball valves. 


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