What's the difference between bar and round bar?
Bars can be either round or square or six sides.Another argument is that bars usually refer to short ones. The rounds are not cut, usually 6 meters long supply.
If it is used for machining parts, it can be used in general. However, there are six bar material, and in general circumstances are not fixed feet, and round steel is generally sold according to the length of fixed length
Quenching is a heat treatment behavior, as raw material will not be quenched, and generally should be normalized or annealed by reasonRound steel can also be used for seamless steel tube perforation, bar material can not be
