Postalloy® TungGuard™ PS-11W

Postalloy® TungGuard™ PS-11W with Reactive Core Technology™ (RCT) is a non-cracking nickel base hardfacing cored wire containing a special blend of tungsten carbides for extreme abrasion as well as corrosion. The matrix is resistant to acids, bases, lye and other corrosive media. This alloy can be applied crack-free with the proper welding procedures. The alloying elements in the wire produce a higher hardness weld deposit that encapsulates and protects the carbide particles, reducing the premature wear caused by erosion to the carbide particles. As a result it achieves a considerable service life improvement in extreme applications compared to PS-10 which it has replaced. The alloy has a low melting range and features good weldability with a smooth arc, reduces weld dilution and carbide dilution to produce a truly outstanding multi-wear wire. Use on low carbon mild and low alloy steels, stainless, nickel and cast iron.

Please visit our dedicated Tungsten Carbide Hardfacing website here for more information.

Specifications

Product Type

  • Nickel Base Tungsten Carbide Wire
  • Metal-cored
  • Gas-shielded

Applications

  • Repairing and hardfacing ferritic and austentic stainless steel tools in the Chemical and Food Industries.
  • Mixer blades
  • Tunnel boring machines
  • Fan blades
  • Screw conveyors
  • Brick and clay augers
  • Developed for application to downhole tools in the deep oil and gas drilling industry, such as stabilizers.
  • Brick and clay brick augers
  • Ash handling systems
  • Sinter plant wear parts
  • Slag breakers

Weld Deposit Properties

Average weld deposit hardness:
53-57Rc
Aveverage hardness tungsten carbide:
2300-2500 HV (70 Rc+)
Additional information:
Deposits are slag-free
**RCT™ Reactive Core Technology improves weldability and optimizes wear properties
Weld deposits cannot be flame-cut
Can be applied crack-free with proper welding procedure
Service temperature up to 1,000 °F (538 °C)
Deposit Thickness:
2 layers maximum

Welding Parameters

Current Type : DC Electrode Positive

Volts Amps Diameter Stick Out
21-23 160-180 1/16" (1.6mm) 1/2" (12.7mm)

Welding Procedure:

Preferred Shielding Gas: 100% Argon
It is highly recommended that the gun and cable length be 8 to 10 feet.
Knurled or cogged drive rolls are recommended for use with this wire.

Packaging Options

Diameter Standard Packaging
1/16" (1.6mm) 25 lb (11.30kgs) spool