Postalloy® DuraHard™ 2896-MCG

Postalloy® DuraHard™ 2896-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, and a crack-free weld deposit. It can be applied to carbon and alloy steels, and stainless steels. For machine parts and equipment that must be rebuilt back to original dimensions and require a wear resistant overlay in the hardness range of 45 to 50Rc

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 45 to 50Rc

Weld Deposit Properties

Additional:
Deposits polish in service reducing friction and minimizing wear of the mating surface.
Good abrasion and wear resistance at elevated temperatures.
Good corrosion resistance
Deposit Thickness:
Deposits thickness unlimited with proper preheat, inter pass, and post-heat
Heat Resistance:
Up to 900 °F (482 °C)
Machinable:
Deposits are machinable with carbide tools and good machining practices.
Hardness:
45Rc - 50Rc

Welding Parameters

Current Type: DC Electrode Positive

Volts Amps Short Arc Stick Out
18-21 150-220 1/16" (1.6mm) 3/4"(19mm)
Volts Amps Spray Arc Stick Out
29-33 275-375 1/16" (1.6mm 3/4"(19mm)

Welding Procedure:

Shielding Gas - 75/25 (Argon /CO2), 98/2 (Argon/Oxygen) or other high argon content gas. 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
1/16" (1.6mm) 25 lb (11.30kg) spool