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321 Stainless Steel Tubing is a low carbon and austenitic stainless steel that contains 17-19% Chromium, 9-12% Nickel, 0.08% Max Carbon, 2.00% Max Manganese, 0.045% Max Phosphorus, 0.030% Max Sulfur and 1.00% Max Silicon. This composition gives the material increased strength and resistance to corrosion compared to other stainless steels.
SS 321 Tubing is highly resistant to corrosion and has excellent strength, making it suitable for various applications. It is often used in manufacturing exhaust tubing, heat exchanger tubing, and large industrial piping. It can also be used in food processing equipment, marine components, and chemical tanks. This type of steel is easy to weld, form, and machine due to its good ductility and stability over time.
Explore the chemical composition of Stainless Steel 321 Tubing, crucial for understanding its properties.
Grade | C | Mn | Si | P | S | Cr | N | Ni | TI | |
321 | Min | – | – | – | – | – | 17.0 | – | 9.00 | 5(C+N) |
max | 0.08 | 2.00 | 1.00 | 0.045 | 0.030 | 19.0 | 0.10 | 12.00 | 0.70 max
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Stainless Steel 321 Tubing's composition ensures corrosion resistance and structural integrity in various applications.
Discover the range of applications by examining the comprehensive breakdown of its mechanical properties in the provided table.
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
321 | 515 | 205 | 40% | 95 | 217
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321 Stainless Steel Tubing exhibits high tensile strength and elongation, ensuring durability in various applications.
Stainless Steel 321 Tubing offers robustness and thermal stability for various industrial applications.
Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Co-eff of Thermal Expansion (µm/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Elec Resistivity (nΩ.m) | |||
0-100°C | 0-315°C | 0-538°C | At 100°C | At 500°C | |||||
321 | 8027 | 193 | 16.6 | 17.2 | 18.6 | 16.1 | 22.2 | 500 | 720 |
Stainless Steel 321 Tubing boasts favorable physical properties, ideal for demanding engineering environments.
Are there any advantages to choosing 321 stainless steel tubing over other types of metal or even traditional stainless steel tubing? There certainly are! Some of the benefits offered by this type of stainless steel tubing include the following:
As you can see, there are many advantages to using 321 stainless steel tubing in your project or application. Stainless steel is always valuable, but this type is outstanding.
This unique alloy of metals has all the strength and durability of other stainless steels but combines it with a temperature resistance and cost-effectiveness that sets it apart.
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