... high temperature high-temperature steel≤1000The power plant boiler burner nozzle, the circulation fluid bed boiler center tube (returns material), in ... .850.25-1.000.25-1.0024.0-30.0 ≥500 Burner series proudcts High-nickel heat steel castings: Material code ... pipe,as guide pipe fire tube(flue duct) for boilergas nozzle nozzle central cylinder for circulating fluid beds Burner series proudcts High ...