best welding rod for ductile iron
The first thing that struck me about the WeldingCity 5-pcs Cast Iron Repair Stick Welding Electrode wasn’t just its high nickel content but how smoothly it welded through thick, ductile cast iron. After hands-on testing, I found it produces soft, machinable welds that resist cracking—a common headache with other rods. Preheating is a must, but … Read more