It is used for seamless rolled rings upto 200mm outer diameter,70mm thickness.
It is used for forging rolled rings upto 300mm outer diameter,120mm thickness .
It is used for hot forged rolled rings upto 350mm outer diameter, 200mm thickness.
It is used for rolled rings by hot rolling upto 400mm outer diameter,200mm thickness.
It is used for rolled ring forgings upto 500mm outer diameter,200mm thickness .
It is used for forged rings upto 630mm outer diameter,250mm thickness.
It is used for ring forging upto 800mm outer diameter,350mm thickness.
It is used for profiled ring rolling upto 1000mm outer diameter, 350mm thickness.
It is used for prolled forging ring upto 1500mm outer diameter,450mm thickness.