Publish Time: 2022-02-15 Origin: SHAANXI RUIYANG IMPORT AND EXPORT CO.,LTD
Heat Resistant Steel Casting mainly heat resistant casting alloy and heat resistant stainless steel,heat-resistant corrosion resistant alloy material.
Our heat Resistant steel casting usually centrifugal casting tubes and used in industrial furnaces,especially for DRI furnace,petro chemical reformering furnace and cracking furnace
| Features and applications of heat resistant steel casting tube by centrifugal cast tubes | ||
|---|---|---|
| Designation | Applicable tempreture℃ | main applications |
| NH25-20 | 650℃-950℃ | A small amount of ferrite in the metal structure of NH25-20,which with good oxidation resistance and weak thermal shock resistance.As furnace tube when temperature under 950℃,as furnace structure parts when temperature under 1150℃ |
| NH20-32Nb | 850℃-1000℃ | Good ductility after ageing.For parts located outside of furnace;reformer furnace manifolds;transfer line and cracking simmer elbow tube etc |
| NH25-35Nb | 850℃-950℃ | The petrochemical synthesis ammonia,hydrogen,methanol reforming furnace and cracking furnace,DRI reformer radiant tubes,simmer elbows tube |
| NH25-35W | 850℃-1080℃ | The petrochemical synthesis ammonia, hydrogen,methanol reforming furnace and cracking furnace,DRI reformer radiant tubes,simmer elbows tube |
| NH25-35Mic | 850℃-1100℃ | The petrochemical synthesis ammonia, hydrogen,methanol reforming furnace and cracking furnace,DRI reformer radiant tubes,simmer elbows tube |
| NH28-48-5W | 850℃-1200℃ | Elbows used in DRI and petrochemical furnaces; Tube sheets; Supports located inside of furnace |
| NH25-30-5Al | 850℃-1150℃ | With comprehensive high-temperature characteristics,applied in high carburizing and metal dusting atmosphere, heavy gas oil (S,Na,V) corrosive atmosphere , used as petrochemical cracking furnaces and DRI radiation tubes |
| NH35-45Mic | 850℃-1160℃ | With comprehensive high temperature characteritics,applied in high carburizing and metal dusting atmosphere, heavy gas oil (S, Na, V) corrosive atmosphere , used as petrochemical cracking furnaces and DRI radiation tubes |
| NH33-48-13W | 850℃-1300℃ | For supports located inside of DRI and petrochemical furnace; tube sheets and thermowell bolster etc |
| NH25-35-15Co | 950℃-1300℃ | With comprehensive high-temperature characteristics, applied in high carburizing and metal dusting atmosphere, heavy gas oil (S, Na, V) corrosive atmosphere , used as petrochemical cracking furnaces |
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