In terms of chemical properties:

321 stainless steel tubing is constructed of Ni-Cr-Ti type austenitic stainless steel, which makes it resistant to abrasion, high temperatures, and creep. At temperatures up to 800-1500°F (427-816°C) and chromium carbide precipitation, it still maintains good resistance to intergranular corrosion. In addition, due to the addition of titanium to the composition, the alloy of this material can still remain stable in the case of chromium carbide formation.

In terms of physical properties

It has high strength and good phase stability with resistance to oxidation peeling and resistance to aqueous corrosion. The material’s excellent mechanical properties at high temperatures make it ideal for the manufacture of steam boiler pipes at high pressures and above. At the same time, it also shows excellent high-temperature stress breaking performance and high-temperature creep resistance. Therefore, 321 stainless steel pipes have been widely used in many industries such as petrochemical, electric power, bridges and automobiles.

1. Chemical equipment: can be used to manufacture chemical equipment, such as reactors, distillation towers, storage tanks, etc.
2. Food processing: Due to its good corrosion resistance and hygienic performance, it is also often used in the manufacture of food processing equipment, such as transportation pipelines, storage tanks, etc.
3. Medical devices: In the field of medical devices, 317L stainless steel pipes can be used to manufacture surgical instruments, artificial joints, etc.
4. Petrochemical industry: can be used to manufacture heat exchangers, pipelines and other equipment.
5. Aerospace: 317L stainless steel pipes are also used in aerospace fields such as rocket engines and spacecrafts, mainly due to their good resistance to high temperature oxidation corrosion.

In addition to the above fields, it is also widely used in construction, automobile, electronics, furniture and other industries

Shandong Ruitong New Materials Co., Ltd. is a leading supplier of steel and other metal products in China. As an ISO9001:2015 certified company, our products comply with ASTM, AISI, BS, DIN, JIS and other standards.

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