ER4047 Aluminum TIG Welding Rod 36"

HYW ER4047 TIG welding rod is a high-silicon aluminum-silicon (Al-12%Si) filler supplied as 36" straight cut lengths for GTAW (TIG) and torch brazing. Its low melting range and excellent fluidity make it the preferred filler for aluminum brazing and for repairing cast aluminum components. Select your diameter and bundle size from the dropdown. Key Features › AWS A5.10 classification ER4047 (Al-Si, ~12% Si) › 36" straight cut lengths for TIG / GTAW and torch brazing › Lower melting range and narrower freezing range than ER4043 › Excellent fluidity for flowing into tight joints and cast aluminum repair Ideal Applications › Cast aluminum repair (engine parts, housings, radiators, heat exchangers) › A356 / 356 / 413 aluminum castings › Aluminum brazing and cladding on 1100 / 3003 aluminum › 6xxx-series extrusions where a free-flowing, low-melt filler is an advantage Technical Specifications AWS Classification ER4047 (AWS A5.10) Alloy Aluminum-Silicon (~12% Si) Process GTAW (TIG) / Torch Brazing Form 36" straight cut length Shielding Gas 100% Argon (Ar/He for thicker sections) Diameters 1/16", 3/32", 1/8" Store rod in a dry location and keep tubes sealed to avoid surface oxidation. Typical Chemical Composition Typical filler analysis (wt %) per AWS A5.10. Single values are maximums; aluminum is the balance. Element Typical Wire (wt %) Silicon (Si) 11.0 – 13.0 (typ. 12.0) Iron (Fe) 0.80 max Copper (Cu) 0.30 max Manganese (Mn) 0.15 max Magnesium (Mg) 0.10 max Zinc (Zn) 0.20 max Aluminum (Al) Balance Mechanical Properties Typical as-welded all-weld-metal properties (4047 / Al-12%Si). Verify against mill cert for critical applications. Tensile Strength typ. 27,000 psi (186 MPa) Elongation typ. 5% Brinell Hardness typ. 50 HB Melting Range typ. 1070 – 1080 °F (577 – 582 °C) WARNINGThis product can expose you to chemicals including manganese, which is known to the State of California to cause birth defects or other reproductive harm. Welding fumes from this product can also expose you to chemicals known to cause cancer. For more information go to www.P65Warnings.ca.gov.