Mechanical Properties of Austenitic Stainless Steel S31653 00Cr17Ni13Mo2N

Mechanical Properties of 00Cr17Ni13Mo2N Austenitic Stainless Steel S31653

Introduction

Austenitic stainless steels are corrosion resistant and are used in a variety of applications from chemical processing to food packaging. They offer excellent corrosion resistance, formability, and excellent strength-to-weight ratio, making them one of the most commonly used grades of stainless steel. 00Cr17Ni13Mo2N, also called S31653, is an austenitic stainless steel containing 17 percent chromium, 13 percent nickel and 2.5 percent molybdenum. It is a high strength, high nitrogen and molybdenum bearing austenitic stainless steel used in highly corrosive and Sulphuric acidic conditions, due to its enhanced corrosion resistance. This paper will present an overview of the mechanical properties of S31653 stainless steel and discuss its uses in the industry.

Chemical Composition

Table 1 shows the chemical composition of 00Cr17Ni13Mo2N (S31653) austenitic stainless steel.

Table 1: Chemical composition of 00Cr17Ni13Mo2N (S31653) stainless steel (wt.%)

Element C Si Mn P S Cr Ni Mo N

Content ≤ 0.030 ≤ 1.00 ≤ 2.00 ≤ 0.045 ≤ 0.030 16.00-18.00 10.00-14.00 2.50-3.00 ≥ 0.10

Mechanical Properties

The mechanical properties of 00Cr17Ni13Mo2N (S31653) austenitic stainless steel are as follows;

• Tensile strength: 800 MPa

• Yield strength: 500 MPa

• Elongation: > 40%

• Hardness (Brinell): 205 max

• Machinability: Good

• Formability: Good

• Weldability: Excellent

Applications

00Cr17Ni13Mo2N (S31653) stainless steel has excellent corrosion resistance in many industrial conditions, making it a popular choice for applications such as chemical processing equipment, valves and pumps, and medical implants. Additionally, its excellent strength-to-weight ratio makes it a great choice for applications that require light but strong materials, such as marine structures and aircraft components.

Conclusion

00Cr17Ni13Mo2N (S31653) austenitic stainless steel has excellent corrosion resistance and strength-to-weight ratio, making it suitable for a wide range of applications, including chemical processing and medical implants. Its mechanical properties, including its tensile strength, yield strength, and weldability, also make it an attractive option for many industries.

Austenitic stainless steel 31653 (00Cr17Ni13Mo2N) is an austenitic stainless steel type typically used in marine and chemical industries. The combination of good mechanical properties and corrosion resistance makes it a popular choice for corrosive and welding environments. Furthermore, it has good hot workability and excellent formability.

The tensile strength of grade 31653 is 760-950 N/mm2, which makes it strong and durable. Its yield strength is 490-620 N/mm2, which makes it suitable for many structural applications such as pressure vessels. Furthermore, it has a good elongation at break of 40%, meaning it can be formed more easily.

Its impact toughness is still good, even at cryogenic temperatures, making it well suited for cryogenic applications. It has good corrosion resistance in many acidic and alkaline medias. Its corrosion resistance to sulfuric acid is particularly good; up to 40% concentration it still has a good corrosion resistance.

The thermal conductivity of grade 31653 is 16 W/(m•K) at 100°C, making it suitable for many different applications such as food processing and preparation. It also has a low thermal expansion rate of 15.9 x 10-6/°C which makes it suitable for components that need a very precise fit.

Grade 31653 has good weldability with arc and resistance welding. It can also be welded with no special surface preparation. Furthermore, it is also magnetic due to its austenitic structure, which contributes to its toughness.

Overall, Grade 31653 is a versatile austenitic stainless steel type that exhibits good mechanical and corrosion properties. Its elongation at break and impact toughness are suitable for many applications such as pressure vessels and cryogenic applications, while its low thermal expansion rate make it suitable for components with a precise fit.