Postalloy® 2803-FCG

Postalloy® 2803-FCG is a flux-cored, nickel base alloy designed for hot-working applications such as rotary dies and flat open face dies. Postalloy® 2803-FCG is alloyed with chromium, molybdenum, tungsten and cobalt to withstand stresses and oxidation at elevated temperatures up to 2000 °F (1100 °C). Postalloy® 2802-FCG is recommended as an underlay.


Product Type

  • Wire
  • Flux-cored
  • Gas-shielded


  • Forging dies

Weld Deposit Properties

Hardness as Deposited:
Up to 35Rc

Welding Parameters

Current Type : DC Electrode Positive

Volts Amps Diameter Stick Out
18-22 225-275 1/16" (1.6mm) 5/8" (15.8mm)

Welding Procedure:

Gas Coverage - 75% Argon / 25% CO2

Packaging Options

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