Postalloy® 2894-MCG

Postalloy® 2894-MCG is a non-cracking medium chromium gas-shielded hardfacing overlay designed for applications that require good corrosion, metal-to-metal wear and good abrasion resistance, but a crack-free weld deposit. It can be applied to carbon and alloy steels, and stainless steels.

Specifications

Product Type

  • Wire
  • Metal-cored
  • Gas-shielded
  • Deposits are slag-free

Applications

  • For machine parts and equipment that must be rebuilt back to original dimensions and require a wear resistant overlay in the hardness range of 35Rc.

Weld Deposit Properties

Additional:
Good abrasion resistance
Good corrosion resistance
Deposit Thickness:
Deposits thickness unlimited with proper preheat, interpass, and post-heat temperatures.
Heat Resistance:
Up to 900°F (482°C)
Machinable:
Deposits are machinable with carbide tools and good machining practices.
Hardness:
28Rc - 36Rc

Welding Parameters

Current Type : DC Electrode Positive

Volts Amps Short Arc Stick Out
15-21 90-200 .045" (1.1mm) 1/2“(12mm)
Volts Amps Spray Arc Stick Out
29-33 200-235 .045" (1.1mm) 5/8”(15mm)

Welding Procedure:

When welding out-of-position, use the lower ranges of voltages and amperages: 16-19 volts and 100-150 amps.

Packaging Options

Diameter Standard Packaging
.045" (1.1mm) 25 lb (11.30kg) spool