Well for mild steel, the composition is carbon (very small amount) and iron. Here the link to carbon steel.
As for stainless steel, it has a minimum of 10.5% chromium which gives it's characteristic corrosion resistant properties. Here is the link to the wikipedia article.
Regards,
CLoud
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Materials in Rods, Pistons and Valves
Re: Materials in Rods, Pistons and Valves
