Chemical Composition of Austenite Stainless Steel S31668 0Cr18Ni12Mo2Ti
Austenite stainless steel S31668 (0Cr18Ni12Mo2Ti) is a stainless steel widely used in corrosion-free constructions, because of its good corrosion resistance, weldability, impermeable property and non-magnetic behavior. It is a widely used material in chemical, pressure vessel, and nuclear power industries.
The chemical composition of Austenite stainless steel S31668 (0Cr18Ni12Mo2Ti) contains C: ≤ 0.08%, Si: ≤ 1.00 %, Mn: ≤ 2.00 %, P: ≤ 0.045 %, S: ≤ 0.030 %, Ni: 11.5 to 14 %, Cr: 16.5 to 18.5 %, Mo: 2.5 to 3.5 %, N: ≤ 0.1 %, Ti: 5xC to 0.7 %.
The high levels of Chromium and Nickel in Austenite stainless steel S31668 (0Cr18Ni12Mo2Ti) gives this steel its superior corrosion resistance. Chromium also provides excellent hardness, strength and ductility. Niobium and Titanium used in the steel improve resistance to corrosion in certain sorts of environments, strengthening the steel and giving it superior resistance to chloride and sulfide corrosion.
The other elements making up Austenite stainless steel S31668 such as Manganese, Carbon, Silicon, Phosphorus, and Sulphur also have their distinct roles in the making of this kind of steel. The manganese helps in retaining a consistent ferrite to austenite ratio. The carbon and silicon both work in making attainable the chemical structure. Similarly, Phosphorus helps in strength and Sulphur in welding.
Austenite stainless steel S31668 (0Cr18Ni12Mo2Ti) is a ferritic stainless steel that belongs to the ‘300’ series. It has a high working temperature, making it an ideal choice for higher temperature applications, such as steam-cooking and nuclear reactors. S31668 is also precipitation-hardening, meaning that it can be used to form complex shapes and designs, making it a good choice for parts of the likings of flanges, pump housings, and storage tanks.
Moreover, Austenite stainless steel S31668 (0Cr18Ni12Mo2Ti) has excellent weldability, making it suitable for welding in all methods, from MIG to TIG and Stick welding. Its processability is greatly increased by its hardenability. The stable austenitic structure of S31668 provides excellent corrosion and oxidation resistance which makes it incredibly resistant to chloride attack.
All in all, Austenite stainless steel S31668 (0Cr18Ni12Mo2Ti) is a highly corrosion-resistant steel with good weldability, high-temperature strength, hardness, and ductility. It is an ideal choice for many applications and is most suitable for the fabrication of fabrication of components wear-resistant and corrosion-resistant in nature.
