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JIS Z3251 DF2A-300-B

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


Characteristics on usage:

The HF-260 is a low-carbon, low-friction welding wire that is suitable for metal-to-metal friction. It can be used as a primer before bonding the hard surface with more hardness. The weld can be molded easily. And can be hardened after machined.


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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Welding Handbook (English language)
(KOBELCO International site)