- Polk Mechanical Company LLC (Dfw, TX)
- …and how various metals and alloys such as different kinds of steel, chrome , aluminum, cast iron, nickel, Monel, brass, copper, bronze, magnesium, beryllium, and ... (for example, .025 inches or less) to very thick (for example, armor plating ), requiring multiple welding passes, and welding dissimilar metals such as copper to… more