Wheels FAQs
Why is magnesium used in wheels if it’s so dangerous?
This is similar to the “why did they put a volatile and combustible gas into zeppelins” question often asked. The answer is better in the case of magnesium wheels. In the case of zeppelins it was just cheaper to use hydrogen instead of the safer helium. Magnesium on the other hand is a light weight, extremely strong alloying agent which can be used to make wheels that have the best strength to weigh ratios out there. The downside is that if the oxidized surfaces can be pierced, magnesium combusts in the presence of open flames. Essentially, if you crash your car and it catches on fire, your magnesium wheels will burn a hole through the road and into the earth beneath it. So drive safely!
Is a chrome wheel made of solid chrome?
No, chrome wheels are merely chrome plated. The amount chrome in the wheels is measured in micrometers, which gives you an idea of exactly how little chrome there actually is. The chrome plating provides a hard exterior to softer alloy wheels. It also provides a uniquely shiny and tarnish free surface for your wheels. Chrome will be more expensive than a comparable alloy wheel, but the distinct look is worth it to many.
What are my options for steel wheel display?
Steel is the most basic type of wheel, and it is still a remarkably popular one. Steel has the downside of being a rather dull and unattractive metal when finished, as well as being susceptible to discoloration from brake dust or excessive heat. The most common way to avoid an unsightly steel wheel is to cover it with hubcaps; these inexpensive plastic covers mimic the styling of alloy wheels at a fraction of the cost. Another, more expensive option is to buy painted steel wheels. When you see black, red, or other exotically colored wheels, they are usually painted steel.
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