Postalloy® DuraHard™ 2899-MCG

Postalloy® DuraHard™ 2899-MCG is a multi-purpose hardfacing overlay with good abrasion resistance, excellent toughness and good metal-to-metal wear characteristics. Deposits are not brittle and will maintain a good cutting edge without chipping. Deposits retain their hardness up to 1100 °F (593 °C).

Specifications

Product Type

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

Applications

  • Shear blades
  • Trim dies
  • Shearing and piercing dies
  • Cutting tools
  • Recycling knives

Weld Deposit Properties

Additional:
Deposits are slag-free
Deposit Thickness:
Unlimited layers with proper procedures, including preheat and interpass temperature
Heat Resistance:
Deposits retain their hardness up to 1100°F (593°C)
Machinable:
Non-machinable
Hardness:
57Rc - 61Rc

Welding Parameters

Current Type : DC Electrode Positive

Volts Amps Short Arc Stick Out
15-21 90-200 .045" (1.1mm) 1/2"(12mm)
18-21 15-220 1/16" (1.6mm) 3/4"(19mm)
Volts Amps Spray Arc Stick Out
27-30 250-325 045" (1.1mm) 5/8"(15mm)
27-30 300-375 1/16" (1.6mm) 3/4"(19mm)

Welding Procedure:

Gases: Ar/CO, Ar/Ox2

Packaging Options

Diameter Standard Packaging
.045" (1.1mm) 25 lb (11.30kg) spool
1/16" (1.6mm) 25 lb (11.30kg) spool