Cold rolled steel is one of the most widely used forms of steel in the world. It has a smoother and more finished appearance than hot rolled steel, and has a higher strength. Cold-rolled steel uses a mixture of carbon and iron to create a flexible and strong material that has a variety of uses.
If you grew up speaking the English language, you’re likely to be familiar with this adage: “What doesn’t kill you makes you stronger.” I’ve always been a bit perplexed by this statement – not by its meaning, which is obvious, but by the fact that it’s persevered in the lexicon of expressions in our language despite its silliness. Think about it. If I was cleaning my gutters and lost my footing on the ladder, nothing about falling two stories is going to enhance my strength or improve my health. Or, if I accidentally slammed my hand in my car door, it’s unlikely that I’d gingerly pull it out and say, “Wow! Who’s ready for a thumb war?” The compression of the door would more likely have a deformative effect then an empowering one. But there is one context in which the adage is eminently appropriate: cold rolling.