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NC-309

NC-309 is a lime-titania type electrode for all-position welding, which has good usability. As weldmetal contains ferrite in austenitic structure, its weldaility is good and it provides good corrosionresistibility and good heat resistibility.As weld metal contains much quantity of alloying elements and has stable austenitic structure,NC-309 is suitable for welding of the part which is affected by the dilution of mother plate.

AWS: A5.4 E309-16

KS: D 7014 E309-16

JIS: Z 3221 ES309-16

EN: ISO 3581-A E 22 12 R 1 2
ISO 3581-B ES309-16


Applications	Welding of SUS309S or SCS 17. Welding of dissimilar metals such as stainless steel to carbon steel or low alloy steel.
Characteristics	NC-309 is a lime-titania type electrode for all-position welding, which has good usability. As weld metal contains ferrite in austenitic structure, its weldaility is good and it provides good corrosion resistibility and good heat resistibility. As weld metal contains much quantity of alloying elements and has stable austenitic structure, NC-309 is suitable for welding of the part which is affected by the dilution of mother plate.
Notes on usage	(1) Keep the arc as short as possible. (2) Weaving width should be within two and a half times of the electrode's diameter. (3) When the electrodes have absorbed moisture, dry them at 250~300℃ for 60~90 minutes before use. (4) Pay attention that the dilution of mother plate should not be excessive. (5) Usually, preheat is not necessary.
Shielding Gas	-