What corrosion occurs under organic coating on metals as fine wavy
hairlines?
The special chrome steels of the stainless variety
contain how many percent of chromium.
What refer by the ability of steel to be hardened
through to its centre in large section?
What is a process of producing a hard surface in a steel having a
sufficiently high carbon content to respond to hardening by a rapid cooling of
the surface?
What impurity in steel can cause ted shortness which means the steel
becomes unworkable at high temperature.
