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Royal 44-30 is an excellent MIG (Gas Metal Arc Welding) alloy for making repairs on all ductile and malleable irons. The Royal 44-30 is also useful for the welding of other high-strength nodular and gray cast irons where maximum strengh and ductility are required. It is also the best filler alloy to MIG weld steel to cast iron.

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The Royal 220-M will produce the highest tensile and yield strength on over 50 different types of steels. The Royal 220-M is ideal for the repair of tool steels, dies, spring steels, carbon steels, stainless steels, pressure vessels, aircraft steels and cast steels. Also available as a MIG and TIG wire.

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crownalloys.com/TechSheet/R220.pdf