Posted to rec.crafts.metalworking
|
|
weathering steel
engineman writes:
On a recent episode of "factory made" on the manufacture of light rail
cars they mentioned that the frames were made of what they called
"weathering steel" which was described as an alloy which only develop
surface rust which prevents further rusting.
http://images.google.com/images?q=uris%20hall%20cornell
|