Nihonweld NB-4047 description:
AWS Specification: ER4047
JIS Specification: NA
Other Specification: ALUMINUM ALLOYS
For 1060, 1350, 3003, 3004, 3005, 5005, 5050, 6053, 6061, 6951, 7005 and cast alloys 710.0 and 711.0. Provides good corrosion resistance.