Stainless steel S35020 2Cr13Ni4Mn9 is an austenitic type of stainless steel, which is known for its high strength to weight ratios and excellent corrosion resistance. This grade of stainless steel can be found in a broad range of applications, from medical to industrial. Its chemical and mechanical properties are defined by several standards, including DIN EN and DIN EN material codes.
Chemical Composition and Mechanical Properties
The chemical composition of stainless steel S35020 2Cr13Ni4Mn9 consists primarily of iron, along with relatively high amounts of chromium, nickel, and manganese. Iron makes up the largest percentage by far at a range of between 77-80%, while chromium is present in a range of 11-13%, nickel in a range of 4-5%, and manganese in a range of 0.5-2.5%. Additional trace elements present within the composition include silicon and nitrogen. Various other elements may be found in minor amounts varying by manufacturer.
The mechanical properties of stainless steel S35020 2Cr13Ni4Mn9 are defined by the following standards, in order of increasing strength: DIN EN 1.4310, DIN EN 1.4435, DIN EN 1.4436, and DIN EN 1.4438. The ultimate tensile strength of the grade is up to 850 N/mm2. It performs consistently in a wide range of temperatures, exhibiting maximum hardness and ductility at temperatures up to 580°C. The temperature range also gives it an advantage in elevated temperature applications, such as power generating plants and nuclear reactors.
Weldability
A number of welding techniques can be employed for stainless steel S35020 2Cr13Ni4Mn9. One of the most popular techniques is shielded metal arc welding (SMAW), which is a manual arc welding process. Using this process, an arc is produced between an electrode and the metal that is to be welded, creating a strong and reliable joining of the two materials. Laser or gas welding can also be employed for stainless steel S35020 2Cr13Ni4Mn9.
Applications
Due to its corrosion resistance and mechanical properties, stainless steel S35020 2Cr13Ni4Mn9 can be found in a wide range of applications, including medical, marine, and power generation. Within the medical field, it can be used for components such as surgical tools and instruments, where its strength and hygienic qualities make it an excellent choice. Marine applications range from marine vessels to pressure tanks, where stainless steel S35020 2Cr13Ni4Mn9 has a high ductility and is resistant to pressure and stress. Within power generation, it is widely used for components such as valves and pumps due to its increased strength and corrosion resistance.
Conclusion
Stainless steel S35020 2Cr13Ni4Mn9 is an austenitic type of stainless steel that is widely used in a variety of applications, such as medical and marine, due to its excellent corrosion resistance and high strength to weight ratio. Its chemical composition consists mainly of iron, chromium, nickel, and manganese, while its mechanical properties are defined by a number of standards. It can be welded using various techniques, such as SMAW, laser, or gas welding.
