Description

NIHONWELD NC-50 is a premium iron-nickel alloy welding electrode specially developed for producing high-strength joints on cast iron materials. It is widely used for the fabrication, maintenance, and repair of various cast iron components, as well as for joining cast iron to steel.

This electrode is particularly suitable for welding nodular graphite and spheroidal graphite (SG) cast irons. The weld deposit offers excellent strength, crack resistance, and full machinability, making post-weld machining easier and more efficient.

NC-50 features soft and smooth arc characteristics that provide excellent weld control and produce even weld beads with clean contours. The electrode is also specially formulated to reduce overheating during welding, ensuring stable performance and reliable weld quality in demanding industrial applications.

Key Features

• Iron-nickel alloy cast iron electrode
• High-strength weld deposits
• Excellent crack resistance
• Fully machinable weld metal
• Smooth and stable arc performance
• Easy-to-control welding characteristics
• Suitable for cast iron repair and fabrication
• Designed to reduce electrode overheating

Classification

• AWS A5.15 ENiFe-Cl
• JIS DFC NiFe
• DIN 8573: ENiFe-G2

Typical Chemical Composition of Weld Metal Deposits (%)

Typical Mechanical Properties of Weld Metal Deposits

Size and Recommended Current Range (AC / DC+)

Welding Positions

All Positions Except Vertical Down

Applications

• Cast iron repair and maintenance
• Welding SG and nodular graphite cast iron
• Joining cast iron to steel
• Industrial machinery repair
• Fabrication of cast iron components
• Crack repair applications