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Surfacing welding wire for coal mill roller

D802 is a self-protected surfacing welding wire. The surfacing welding wire has excellent welding process performance, beautiful welding seam formation, and abrasive wear surfacing welding wire.

Surfacing workpiece: grinding disc

Welding wire model: D802

Welding wire diameter: 2.4-3.2

Welding method: self-protection


Wire characteristics:

It has the characteristics of excellent welding process performance, beautiful welding seam formation and small welding spatter. No gas or flux protection is needed during welding, which simplifies the welding process and saves the cost of welding accessories.


Scope of application:

Used for surfacing welding of workpieces that are subjected to severe abrasive wear under slight or no impact, such as coal mill grinding rollers, chute, material clock, screw conveyor impeller, mining machinery and building materials machinery.


Surfacing process:

1. It is recommended that the thickness of the surfacing layer does not exceed 50mm.

2. Machining is not allowed after surfacing.









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