Which of the following is an example of a non-ferrous alloy?

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Multiple Choice

Which of the following is an example of a non-ferrous alloy?

Explanation:
Non-ferrous alloys are those whose primary component is not iron. Inconel is a nickel-based alloy, often with chromium and other elements, so iron isn’t the main constituent. That makes it non-ferrous. The other materials listed are ferrous alloys: cast iron and steel are both iron-carbon systems, and stainless steel is iron with chromium and other elements. Even though stainless steel contains chromium, iron remains the primary element, so it’s still ferrous. Inconel’s nickel base gives excellent high-temperature strength and corrosion resistance, which is why it’s a classic non-ferrous example.

Non-ferrous alloys are those whose primary component is not iron. Inconel is a nickel-based alloy, often with chromium and other elements, so iron isn’t the main constituent. That makes it non-ferrous. The other materials listed are ferrous alloys: cast iron and steel are both iron-carbon systems, and stainless steel is iron with chromium and other elements. Even though stainless steel contains chromium, iron remains the primary element, so it’s still ferrous. Inconel’s nickel base gives excellent high-temperature strength and corrosion resistance, which is why it’s a classic non-ferrous example.

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