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Postalloy® DuraForgeā„¢

PostalloyĀ® DuraForgeā„¢ 2747-FCG is a tough iron base chromium-moly-tungsten hot-working tool steel welding alloy. It is machinable in the "as welded" condition. It has very good thermal fatigue resistance and excellent resistance to heat checking when subjected to water quenching.
Typical Applications:
Used for welding forging die impressions in hammer and press forging dies. Repair of deformed, broken, spalled or heat-checked areas of hydraulic presses and drop hammer forging dies. Filling medium deep impressions that are to be re-cut to dimensions.

Product Type

Wire: Flux-cored,Gas-Shielded (with an easily removed slag covering)

Weld Deposit Properties
Hardness as welded  
Hardness as tempered  


see above

Postalloy® DuraForgeā„¢ 2747-FCG    Welding Parameters
Current: DC Electrode Positive
Diameter Amps Volts Stick Out
1/16" (1.6mm)300-310 30-31 3/4" (19mm)
3/32" (2.4mm)270-450 28-321Ā¼" (32mm)
1/8" (3.1mm)450-70030-381Ā½" (38mm)

Welding Procedure

Gas Cover Options (for all wire sizes):

75/25 Argon/CO2, 80/20 Argon/CO2, 90/10 Argon/CO2, 98/2 Argon/CO2. Slow Cooling after welding is extremely important to reduce stress build-up and minimize the risk of cracking. Therefore, using this wire requires a minimum of preheat from 600Ā°F to 800Ā°F (315Ā°C to 427Ā°C) depending on size of the part and composition of the base metal. Throughout welding operation, limit interpass temperature to 900Ā°F (480Ā°C). After welding, the part should be returned to the preheat furnace to allow the temperature throughout the part to equalize.

Packaging Options
Standard Packaging
1/16" (1.6mm)
33 lb spool
3/32" (2.4mm)
55 lb coil
1/8" (3.1mm)
55 lb coil