The chemical composition of Martensitic stainless steel S46990 9Cr18MoV is given in the following table.
C Mn Si P S Cr Mo V 0.90~1.05 0.15~0.35 0.50 0.03 0.03 16.00~18.00 0.80~1.20 0.15~0.25
Martensitic stainless steel S46990 9Cr18MoV is a high hardness, wear resistant and corrosion resistant stainless steel. It is suitable for the manufacture of high-quality blades or tools, such as shears, serrated blades, precision dies, nuts and bolts, sharpening tools, measuring tools, surgical instruments and so on.
Martensitic stainless steel S46990 9Cr18MoV is a ferritic stainless steel with a higher content of chromium and molybdenum in its composition. With the addition of 0.15% to 0.25% vanadium to its composition, its corrosion resistance is further improved. Furthermore, its high carbon content of 0.90% to 1.05% makes it suitable for many applications that require high hardness and wear resistance.
Martensitic stainless steel S46990 9Cr18MoV is generally used in applications that require a combination of high hardness and good corrosion resistance. Its high carbon content increases its hardness while its other alloying elements, such as chromium and molybdenum, give it good resistance to corrosion in various environments. Its good resistance to corrosion in both reducing and oxidizing environment is due to the formation of a passive chromium oxide layer on the surface of the steel.
Martensitic stainless steel S46990 9Cr18MoV is easily weldable using both conventional arc and gas welding processes. It also has good machinability and can be machined using standard methods. It has good formability and can be formed into various shapes and sizes.
Martensitic stainless steel S46990 9Cr18MoV is suitable for applications that require excellent corrosion resistance and high strength. It is commonly used in various industrial applications and consumer goods such as cutlery, measuring equipment, blades and knives, fasteners, pumps and valves, and kitchen equipment.
In conclusion, Martensitic stainless steel S46990 9Cr18MoV has a high hardness, wear resistance and corrosion resistance and is suitable for many applications. Its chemical composition of 0.90% to 1.05% Carbon, 0.15% to 0.35% Manganese, 0.50% Silicon, 0.03% Phosphorus, 0.03% Sulphur, 16.00% to 18.00% Chromium, 0.80% to 1.20% Molybdenum and 0.15% to 0.25% Vanadium makes it a versatile stainless steel that can be used in a wide range of applications. It is easy to weld and machine and has good formability. It is suitable for use in applications that require increased strength and good corrosion resistance.
