SUPERFONTE NiFe is a basic-graphite coated MMA electrode with nickel-iron core wire, for joining and surfacing of cast iron without preheating or with a minimum of < 300°C, "cast iron cold welding". Higher weld metal strength than SUPERFONTE Ni. Used for welding applications on new cast-iron components made of globular gray-cast iron (GJS/GGG) and dissimilar joining of GJS to steel. Suitable for cast irons with globular graphite (GJS), black-heart cast iron (GJMB), white-heart cast iron (GJMW), austenitic cast iron and dissimilar joints to steel. Easy striking, stable arc, finely-rippled bead surface. Weld at low heat input with short beads, ~10 to 30 mm, and hammer peen. Weld metal can be machined.

Tabs

Specification

Classification
EN ISO 1071:	E C NiFe-CI 1
AWS A5.15:	E NiFe-CI

Chemical analysis (Typical values in %)

C	Mn	Si	Ni	Fe
1.8.	<1.0	<1.2	48-54	Rem

All-weld metal Mechanical Properties

Heat Treatment	Yield Strength N/mm2	Tensile strength N/mm2	Elongation A5 (%)	Hardness
As Welded	> 280	400-580	> 6	150-170 HB

Materials

EN-GJMB-350 (GTS 35-10)
EN-GJS-350 to EN-GJS-400 (GGG 40)
EN-GJMW-360.

Storage and redrying

Keep dry and avoid condensation.
Re-drying not generally required.
If necessary: 80 °C for 1 hour, once only.

Current condition

AC; DC-; DC+

Product files

Piegādātājs

Oerlikon

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