Alloy 4047 description:
Features
Welding Filler Wire
Spray and Flame Metallizing Wire

Typical Applications
Trade designation: ALMIGWELD and ALTIGWELD
Non-Heat treatable
Similar to AlSi12 (Germany), BS N21 (United Kingdom)
ISO designation: AlSi12
Principle alloying elements: Silicon
Applicable specifications: ANSI/AWS A5.10 (ER & R), AMS 4190