About 321 Redraw Wire

321 redraw wire, a stainless steel variant, offers excellent resistance to intergranular corrosion and oxidation at elevated temperatures. Widely utilized in aerospace, automotive, and chemical industries, it provides durability and reliability in demanding environments requiring resistance to high temperatures and corrosive elements.

 

321 Redraw Wire chemical composition

321 redraw wire, a type of stainless steel wire, typically contains the following chemical composition:

  • Chromium (Cr): Approximately 17-19%
  • Nickel (Ni): Around 9-12%
  • Titanium (Ti): Typically 5 times the carbon content or around 0.4-0.8%
  • Carbon (C): Usually less than 0.08%
  • Manganese (Mn): Typically less than 2%
  • Silicon (Si): Typically less than 1%
  • Phosphorus (P): Typically less than 0.045%
  • Sulfur (S): Typically less than 0.03%
  • Iron (Fe): The remainder

This composition provides excellent resistance to intergranular corrosion and oxidation at elevated temperatures, making it suitable for various industrial applications.

 

321 Redraw Wire physical properties

321 redraw wire, a stainless steel variant, typically exhibits the following physical properties:

  1. Density: Approximately 8.0 g/cm³.
  2. Melting Point: Typically around 1390-1440°C (2534-2624°F).
  3. Electrical Conductivity: Moderate electrical conductivity.
  4. Thermal Conductivity: Moderate thermal conductivity.
  5. Magnetic Properties: Typically non-magnetic in annealed condition.
  6. Tensile Strength: High tensile strength, usually ranging from 500 to 750 MPa (72,500 to 108,750 psi).
  7. Elongation: Generally exhibits good elongation, typically around 40-50%.
  8. Modulus of Elasticity: Approximately 193 GPa (28,000 ksi).
  9. Hardness: Varies depending on the wire diameter and manufacturing process, typically in the range of 25-35 HRC (Rockwell hardness).
  10. Corrosion Resistance: Excellent resistance to intergranular corrosion and oxidation at elevated temperatures, making it suitable for use in various industrial applications.

These properties make 321 redraw wire ideal for applications requiring resistance to high temperatures and corrosive environments, such as in aerospace, automotive, and chemical industries.

 

321 Redraw Wire mechanical properties

321 redraw wire, a stainless steel variant, typically exhibits the following mechanical properties:

  1. Tensile Strength: High tensile strength, usually ranging from 500 to 750 MPa (72,500 to 108,750 psi). This property indicates the maximum amount of tensile stress the wire can withstand before failure.
  2. Yield Strength: Typically, the yield strength is around 205 to 245 MPa (29,750 to 35,500 psi). It represents the stress level at which the material begins to deform plastically.
  3. Elongation: Generally exhibits good elongation, typically around 40-50%. This property indicates the amount of deformation the wire can undergo before fracturing.
  4. Modulus of Elasticity: Approximately 193 GPa (28,000 ksi). It reflects the wire’s stiffness and its ability to return to its original shape after deformation.
  5. Hardness: Varies depending on the wire diameter and manufacturing process, typically in the range of 25-35 HRC (Rockwell hardness). Higher hardness values indicate greater resistance to deformation and wear.
  6. Corrosion Resistance: Excellent resistance to intergranular corrosion and oxidation at elevated temperatures, making it suitable for use in various industrial applications.

These mechanical properties make 321 redraw wire ideal for applications requiring resistance to high temperatures and corrosive environments, such as in aerospace, automotive, and chemical industries.

 

321 Redraw Wire Applications

321 redraw wire, prized for its corrosion resistance and mechanical strength, finds applications in:

  1. Aerospace: Used in aircraft exhaust systems, components, and structural elements due to its resistance to high temperatures and corrosive environments.
  2. Automotive: Employed in exhaust systems, manifolds, and engine components due to its resistance to heat and corrosion.
  3. Chemical Processing: Utilized in equipment such as reactors, valves, and piping systems where resistance to corrosion and high temperatures is essential.
  4. Petrochemical Industry: Found in refining equipment like heat exchangers and distillation columns due to its resistance to corrosive environments.
  5. Power Generation: Used in gas turbines, heat recovery steam generators, and boiler components due to its high-temperature resistance.
  6. Food Processing: Utilized in equipment such as conveyors, tanks, and processing machinery due to its corrosion resistance and hygienic properties.
  7. Medical: Found in surgical instruments, implants, and medical devices due to its biocompatibility and corrosion resistance.
  8. Marine: Employed in marine hardware, rigging, and components due to its resistance to corrosion in saltwater environments.
  9. Oil and Gas: Used in downhole equipment, pipelines, and wellhead components due to its resistance to corrosive substances.
  10. Textile Industry: Utilized in wire cloth, screens, and filters due to its strength and corrosion resistance.

These applications underscore its versatility and reliability in environments with high temperatures and corrosive elements.