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Which of the following is used as a material for the body shell of the spark plug?

Which of the following is used as a material for the body shell of the spark plug? Correct Answer Low carbon steel

The body shell is generally made of low carbon steel. The body is formed by impact extrusion. The threads are cold rolled to provide a low friction profile. Porcelain was used initially for insulation, but this has a disadvantage of brittleness and low resistance.

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