GX25CRNISI18-9** Form: Plate, Bar, Tube, Steel Strip, Wire, Forging, Forged Pipe, Forged Plate, Forged Bar, Round Bar, Plate, Sheet, Seamless Pipe, Welded Pipe, Round Bar, Wire, Steel Plate, Disc Round, Strip.
1.Parametric data for GX25CrNISI18-9.
The chemical composition of GX25CrNiSi18-9 is: Carbon(C) 025%, silicon (Si) 150%, manganese (mn) 200%, phosphorus (p) 0035%, sulfur (s) 0015%, chromium (cr) 240-27.0%, nickel (Ni) 170-19.0%, silicon molybdenum (Mo) 100%。These components guarantee good heat and corrosion resistance of the material.
2.Heat treatment of GX25CrNiSi18-9.
The common processes of GX25CrNiSi18-9 in the heat treatment process are solution treatment and precipitation hardening. The solution treatment temperature range is 1050-1150, and the holding time is 2-4 hours. Subsequently, the material is normalized by rapid cooling or air cooling. Finally, the solution treatment is carried out again at a temperature of 950-1050, holding for 2-4 hours, and then cooling to room temperature.
3.Key properties and uses of GX25CRNISI18-9.
GX25CRNISI18-9 has high temperature strength and good corrosion resistance, and can be used in various industrial equipment and parts in high temperature environments, such as furnace parts, pipes, heat conductors and other industries in petrochemical, electric power, metallurgy and other industries. Its oxidation resistance and heat resistance are better than ordinary stainless steel, and it has a long service life.
4.Process performance and welding performance of GX25CRNISI18-9.
GX25CRNISI18-9 is easy to cast and weld, but care needs to be taken to reasonably control the temperature and holding time to prevent the mixture precipitation and hardening of the material. In the welding process, welding materials and processes that meet the corresponding standards should be selected, and appropriate heat treatment should be carried out at the same time to ensure the strength and corrosion resistance of the welded joints.
In summary, GX25CRNISI18-9 has excellent heat resistance and corrosion resistance, and is suitable for various industrial equipment and parts in high-temperature environments. In the process of casting and welding processing, it is necessary to pay attention to controlling the temperature and holding time, and at the same time select the appropriate welding materials and processes. The material's detailed parameter data and process properties meet the needs of various industries and have a long service life.