Mechanical Properties of Austenitic Stainless Steel S31780 0Cr19Ni13Mo3

Mechanical Properties of Austenitic Stainless Steel 0Cr19Ni13Mo3 (S31780)

Austenitic stainless steel 0Cr19Ni13Mo3 (S31780) is a ferritic-austenitic stainless steel, often referred to as one of the most widely used stainless steels. It is a duplex stainless steel which offers greater strength and better corrosion properties than other stainless steel alloys. It has excellent formability and weldability properties, making it an ideal material choice for a wide range of applications, including engineering components, architectural design, and chemical equipment.

In its annealed condition, the 0Cr19Ni13Mo3 (S31780) austenitic stainless steel exhibits a tensile strength (the maximum amount of force a material can withstand before undergoing permanent deformation) of 690 MPa (megapascals). Its yield strength (the maximum amount of force a material can withstand without permanent deformation) is 434 MPa and the elongation (the amount by which a material stretches before breaking) is 20%.

The 0Cr19Ni13Mo3 (S31780) stainless steel has a high corrosion resistance as it exhibits superior corrosion resistance to general corrosion, pitting, stress corrosion cracking and crevice corrosion. It also has excellent mechanical properties and its hardness ranges from 160-250 HBW (hardness Brinell, scale of hardness useful in measuring the hardness of materials).

The 0Cr19Ni13Mo3 (S31780) stainless steel is used in many applications such as pressure vessels, storage tanks, chemical process equipment, heat exchangers, petrochemical equipment and more. It is also used as a structural material in the construction of bridges and buildings due to its excellent properties. Furthermore, due to its superior mechanical properties, 0Cr19Ni13Mo3 (S31780) austenitic stainless steel can be used in the production of various components.

In conclusion, 0Cr19Ni13Mo3 (S31780) austenitic stainless steel has outstanding mechanical properties, including excellent tensile strength, yield strength, and elongation. It also offers superior corrosion resistance, making it an ideal choice for various sectors. Due to these excellent properties, it is used in many applications and is an important material used in diverse industries.

0Cr19Ni13Mo3 austenite stainless steel (S31780) is one of the most commonly used stainless steel alloys. It is a low-carbon stainless steel alloy, containing roughly 18–20% chromium, 10–14% nickel and 3–4% molybdenum. As a result, these chemical compositions provide high levels of corrosion resistance and strength, making S31780 well-suited for many applications.

In terms of its mechanical properties, S31780 has a high yield strength and a good toughness. At room temperature, it has a yield strength of 430 MPa and a tensile strength of 730 MPa. It also has a high impact energy absorption of 138 J/mm. The hardness of this alloy is slightly above that of austenitic stainless steels, at 215 HBW. The melting point of this alloy is 1383–1424°C.

In addition, S31780 has good weldability, making it an ideal choice for applications in which welding is required. It can be welded with non-alloyed and low alloyed electrodes, such as Cellulose, Rutile and basic rods. Its weldability is good even in acidic or slightly alkaline media.

Overall, S31780 has an excellent combination of low-carbon chromium, nickel, molybdenum, and mechanical properties, making it one of the most commonly used austenitic stainless steel alloys. Its high corrosion resistance and its weldability make it an ideal choice for many applications in various industries, such as food processing, pharmaceuticals, petrochemicals, automotive industries and other engineering applications.