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Postalloy®
2742-FCG
Description
POSTALLOY® 2742-FCG is an iron base, low-carbon chromium-moly-tungsten hot-work tool steel. 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.
Specifications
Product Type
Wire: Flux-cored,Gas-Shielded (with an easily removed slag covering)

Weld Deposit Properties
Hardness  
38-43Rc

Applications
Repair worn areas on ram and sow blocks. Fill in die impressions that are to be re-cut to dimension.
Repair of spalled or heat-checked areas on hydraulic press and drop hammer forging dies.

POSTALLOY® 2742-FCG    Welding Parameters
 
Current: DC Reverse Polarity
Diameter Amps Volts Stick Out
1/16" (1.6mm) 200-300 25-29 1" (25mm)
3/32" (2.4mm)250-450 26-321¼" (32mm)
1/8" (3.1mm)400-80020-401½" (38mm)

Welding ProcedureGas Cover Options (for all wire sizes):

75/25 Argon/CO2, 80/20 Argon/CO2, 90/10 Argon/CO2, 98/2 Argon/CO2, 100% CO2 -Alternate
Packaging Options
Diameter
Standard Packaging
1/16" (1.6mm)
33 lb spool
3/32" (2.4mm)
55 lb coil
1/8" (3.1mm)
55 lb coil