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HF-450

JIS Z3251 DF2A-450-B

Metal type: Hardfacing      
Process type: Shielded Metal Arc Welding (SMAW)

 

Characteristics on usage:

HF-450 is a hard surface welded wire which has good crack resistance. The hardness is relatively stable even though it is tempered, but the weld can be molded slightly.

 

Notes on usage:

1) In general, it is not necessary to warm the workpiece. However, in the surface coating of cast iron, cast steel, forged steel, low alloy steel. Or high carbon steel Warm up the workpiece at 150ºC or more before welding.
2) Machining can be difficult if the weld is cold. It is recommended to preheat the workpiece before it can be heated after welding. To slow the weld.

 
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(e.g. B-14 or MF-38/US)

Welding Handbook (PDF)
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