Quote:
Originally Posted by Kestas
You can't make a blanket statement that stainless is a "hard steel". There are different grades of stainless steels, just as there are different grades of plain carbon and alloy steels. Your analogy is wrong. If any blanket statement can be made, it's that stainless steel has a higher tendency to gall than plain carbon steel, and it's considerably more expensive.
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Hah! I can make any blanket statement I wish 'cause this is the internet!

So there!
The pad backing and the calipers are made of a low carbon steel for heat transfer and vibration resistant purposes. The lowest grade of stainless is, I guarantee you, harder than either of the two other parts.