ER4043 Aluminum Welding Wire|Indalco · For 6061/6063 · Samples Available

ER4043 aluminum welding wire (aluminum-silicon alloy), imported from Indalco Alloys — a division of Lincoln Electric Company of Canada. Mastership is the sole authorized Indalco distributor in Asia. Conforms to AWS A5.10; MIG spools and TIG rods in stock, with original datasheets and mill test certificates.

Product Specifications

  • Standard: AWS A5.10 ER4043(Al-Si 5%)
  • Forms: MIG layer-wound spools / TIG cut-length rods
  • Base metals: 6061, 6063 and other 6xxx-series alloys; aluminum castings
  • Characteristics: excellent puddle fluidity, low crack sensitivity, smooth bright beads; not recommended where anodized color match matters

Typical Applications

Automotive components and radiators|aluminum extrusions|electronics enclosures|general aluminum fabrication and repair

Why Buy from Mastership

Mastership (Master Ship Industrial Co., Ltd.) is the sole authorized distributor of Canadian Indalco aluminum welding consumables in Asia — genuine factory-sealed products, stable stock, original datasheets, mill test certificates and hands-on welding process support.

Browse the full Indalco product catalog or ask us for a quote on ER4043.

Request a Sample Spool, Quote & Datasheet

The only way to know how a wire feeds is to run it on your line. Tell us your base alloy, application and preferred diameter — we will recommend the right grade and provide the original Indalco datasheet plus a mill test certificate (MTC) with every batch.

📞 +886-5-2852137 ✉️ leehom@mastershipltd.com Online inquiry →