The modern stainless steel plant,which is a place integrating the equipment,technology,material flow and information flow,must have perfect MES to carry on the whole process management for achieving the purpose of prompt,high-effect,economic,stable and flexible production.

This paper sums up the construction techniques of automatic instruments in feeding system of stainless steel-making,including some typical instruments such as the capacitive level gage,the guided-wave radar level gage,and weighting sensor,etc.

This paper expounds the factory manufacturing in and field installation of enclosed room of oversized converter in 150 tons stainless steel making engineering of Taiyuan Iron and Steel Complex.