Chemical Composition of Austenitic Stainless Steel S31660 1Cr18Ni12Mo2Ti

Chemical Composition of Austenitic Stainless Steel S31660 1Cr18Ni12Mo2Ti

Austenitic stainless steel S31660 1Cr18Ni12Mo2Ti is one of the most commonly used stainless steels in the world. This type of stainless steel is an austenitic stainless steel with a higher chromium, nickel and molybdenum content. It is used in many applications due to its excellent corrosion resistance and strength.

The chemical composition of this material is defined by its chemical elements, which are listed here.

• Carbon: 0.08% max

• Manganese: 2.00 % max

• Silicon: 0.75 % max

• Phosphorus: 0.040 % max

• Sulphur: 0.030 % max

• Chromium: 18.00 – 20.00 %

• Nickel: 11.00 – 14.00 %

• Molybdenum: 2.00 – 4.00 %

• Titanium: 2.00 – 2.50 %

The specific mechanical and physical properties of this material depend on its chemical composition. It is important to note that the austenitic stainless steel alloys are good for corrosion resistance and strength.

Austenitic stainless steel S31660 1Cr18Ni12Mo2Ti is often used in applications such as industrial equipments and parts, architecture, automotive components, and marine environments. It has excellent corrosion resistance, high ductility and weldability, and relatively high tensile strength.

This material is not recommended for use in environments where there is an excessive amount of sulfuric acid or hydrochloric acid. It is not suitable for use in temperatures above 855°C. In addition, it should not be exposed to strong oxidizing agents, such as nitric acid or chromic acid, or marine environments.

Despite its limitations, austenitic stainless steel S31660 1Cr18Ni12Mo2Ti is still a very popular stainless steel for a variety of applications. It is relatively low-cost, easy to fabricate and has excellent corrosion, strength and ductility. These characteristics make it one of the most widely used stainless steels.

Steel Grade S31660 (1Cr18Ni12Mo2Ti) is a stainless steel alloy with a composition of iron (Fe), chromium (Cr), nickel (Ni), molybdenum (Mo), titanium (Ti) and manganese (Mn). It has a high level of corrosion resistance and is often used in applications requiring resistance to chemicals and thermal degradation.

The chemical composition of S31660 (1Cr18Ni12Mo2Ti) is as follows in wt%:

Iron (Fe) - 67%, Chromium (Cr) - 18%, Nickel (Ni) - 12%, Molybdenum (Mo) - 2%, Titanium (Ti) - 1%, Manganese (Mn) - 0.2%.

The alloy is also known as SUS316Ti in Japan and China. It also belongs to an austenitic stainless steel family known as 300 series.

The alloy is used in various industrial applications including chemical processing and power generation due to its good strength and corrosion resistance. It is also used in several kinds of marine applications and is also gaining popularity for use in automotive exhaust systems.

The presence of titanium (Ti) in this alloy gives it excellent weldability characteristics and also helps to reduce its susceptibility to stress corrosion cracking. The presence of molybdenum (Mo) in the alloy increases its pitting and crevice corrosion resistance in strongly acidic solutions and also helps to improve its overall corrosion resistance properties.

S31660 (1Cr18Ni12Mo2Ti) can also be used in the manufacture of household items such as cookware and kitchen equipment. Due to its good oxidation resistance, it is resistant to corrosion in high temperature atmospheres and also possess good creep and toughness.

Overall, S31660 (1Cr18Ni12Mo2Ti) is a highly useful stainless steel alloy which provides outstanding corrosion resistance and weldability properties. It has an optimum combination of elements which gives it the required properties for various applications and makes it well suited for those applications that involve exposure to harsh environments.