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Stainless Steel 321 Coil

Stainless Steel 321 Coil is a type of stainless steel alloy that contains titanium in its composition. It has good oxidation resistance in intermittent service to 870°C and continuous service to 925°C. It is also highly resistant to carburization, stress cracking, and intergranular corrosion while still being weldable and formable like other austenitic alloys.

Chemical Composition of SS 321 coil

The composition of Stainless steel 321 coils is crucial for understanding their properties and performance in various industrial applications.

GradeCMnSiPSCrNNiTi
SS 3210.08 max2.0 max1.0 max0.045 max0.030 max17.00 – 19.000.10 max9.00 – 12.005(C+N) – 0.70 max
Thus, this table provides valuable insights into the chemical composition of these coils, highlighting their properties and suitability. 

Mechanical Properties of Stainless steel 321 coil

The table provides essential information for engineers and manufacturers to assess the integrity and durability of Stainless steel 321 coils  in demanding environments.

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31457 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
Thus, this valuable data on the Stainless steel 312 coils’ strength, ductility, and resilience is crucial for ensuring the reliability and longevity.

Features of SS 321 Coil

The following are the main features of 321 stainless steel coil:

  • Corrosion Resistance: 321 stainless steel coils have good intergranular pitting and crevice corrosion resistance in a variety of acidic and chloride-containing environments.
  • High temperature resistance: The mechanical properties and corrosion resistance of 321 stainless steel coils remains unimpaired even when used under high temperature conditions making it ideal for high-temperature applications.
  • Stabilization: Adding titanium to the SS 321 coil aids in preventing chromium carbide precipitation, which occurs during welding or exposure to high-temperature
  • Strength & Durability: Structural parts and equipment exposed to mechanical stresses in harsh operating conditions require higher mechanical strength and durability that can be provided by SS 321 Coil.
  • Fabrication Versatility: Stainless steel 321 coil has the ability to produce custom-made components using standard materials, thus enabling easy machining and welding processes.
  • Chemical Resistance: SS 321 coil exhibits good resistance to various chemicals, including acids, chlorides, etc.
  • Non-reactivity: The stainless steel 321 coil exhibits non-reactivity with most chemicals, rendering it harmless in sensitive applications where chemical compatibility is crucial.

The stainless steel 321 coil is known for its versatility, which makes it suitable for industrial, commercial, and residential uses.

Uses of Stainless Steel 321 Coil

This unique combination of properties makes stainless steel 321 coil useful across several industries. Some examples include:

  • Aerospace Industry- The Aircraft component manufacturing industry uses Stainless Steel grade 321 coils for exhaust systems and engine components, among others.
  • Heat Exchangers – HVACs commonly use SS 321 coil  as heat exchangers when processing petrochemicals or within chemical manufacturing plants.
  • Furnace Components –  Stainless steel 321 coils can be found in furnace components such as radiant tubes, heating elements, and combustion chambers in the manufacturing industry.
  • Automotive Industry- 321 stainless steel is used to make car exhaust systems, catalytic converters among other parts that are exposed to extreme conditions during the normal operation of the vehicle.
  • Chemical processing: Reactors, piping systems and storage tanks require Stainless Steel 321 coil for chemical processing.
  • Oil and gas applications: In sectors such as oilfields, platforms and refineries, pipelines made of stainless steel 321 coil  are usually put into action.
  • Food Processing Equipment – Stainless steel 321 coil is used for food processing equipment including ovens, conveyor belts or heating elements because it has a non-toxic surface finish.
  • Medical Devices – The biocompatibility and sterilizability of SS 321  coil make it suitable for implants, surgical tools, medical instruments.
  • Architectural applications–  stainless steel 321 coil is commonly employed for roofing on building facades, with various structural components also frequently incorporating this versatile metal.

These examples demonstrate how versatile and reliable stainless steel 321 coil can be across various industries.x

Stainless Steel 321 Coil is a type of stainless steel alloy that contains titanium in its composition. It has good oxidation resistance in intermittent service to 870°C and continuous service to 925°C. It is also highly resistant to carburization, stress cracking, and intergranular corrosion while still being weldable and formable like other austenitic alloys.

Chemical Composition of SS 321 coil

The composition of Stainless steel 321 coils is crucial for understanding their properties and performance in various industrial applications.

GradeCMnSiPSCrNNiTi
SS 3210.08 max2.0 max1.0 max0.045 max0.030 max17.00 – 19.000.10 max9.00 – 12.005(C+N) – 0.70 max
Thus, this table provides valuable insights into the chemical composition of these coils, highlighting their properties and suitability. 

Mechanical Properties of Stainless steel 321 coil

The table provides essential information for engineers and manufacturers to assess the integrity and durability of Stainless steel 321 coils  in demanding environments.

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31457 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %
Thus, this valuable data on the Stainless steel 312 coils’ strength, ductility, and resilience is crucial for ensuring the reliability and longevity.

Features of SS 321 Coil

The following are the main features of 321 stainless steel coil:

  • Corrosion Resistance: 321 stainless steel coils have good intergranular pitting and crevice corrosion resistance in a variety of acidic and chloride-containing environments.
  • High temperature resistance: The mechanical properties and corrosion resistance of 321 stainless steel coils remains unimpaired even when used under high temperature conditions making it ideal for high-temperature applications.
  • Stabilization: Adding titanium to the SS 321 coil aids in preventing chromium carbide precipitation, which occurs during welding or exposure to high-temperature
  • Strength & Durability: Structural parts and equipment exposed to mechanical stresses in harsh operating conditions require higher mechanical strength and durability that can be provided by SS 321 Coil.
  • Fabrication Versatility: Stainless steel 321 coil has the ability to produce custom-made components using standard materials, thus enabling easy machining and welding processes.
  • Chemical Resistance: SS 321 coil exhibits good resistance to various chemicals, including acids, chlorides, etc.
  • Non-reactivity: The stainless steel 321 coil exhibits non-reactivity with most chemicals, rendering it harmless in sensitive applications where chemical compatibility is crucial.

The stainless steel 321 coil is known for its versatility, which makes it suitable for industrial, commercial, and residential uses.

Uses of Stainless Steel 321 Coil

This unique combination of properties makes stainless steel 321 coil useful across several industries. Some examples include:

  • Aerospace Industry- The Aircraft component manufacturing industry uses Stainless Steel grade 321 coils for exhaust systems and engine components, among others.
  • Heat Exchangers – HVACs commonly use SS 321 coil  as heat exchangers when processing petrochemicals or within chemical manufacturing plants.
  • Furnace Components –  Stainless steel 321 coils can be found in furnace components such as radiant tubes, heating elements, and combustion chambers in the manufacturing industry.
  • Automotive Industry- 321 stainless steel is used to make car exhaust systems, catalytic converters among other parts that are exposed to extreme conditions during the normal operation of the vehicle.
  • Chemical processing: Reactors, piping systems and storage tanks require Stainless Steel 321 coil for chemical processing.
  • Oil and gas applications: In sectors such as oilfields, platforms and refineries, pipelines made of stainless steel 321 coil  are usually put into action.
  • Food Processing Equipment – Stainless steel 321 coil is used for food processing equipment including ovens, conveyor belts or heating elements because it has a non-toxic surface finish.
  • Medical Devices – The biocompatibility and sterilizability of SS 321  coil make it suitable for implants, surgical tools, medical instruments.
  • Architectural applications–  stainless steel 321 coil is commonly employed for roofing on building facades, with various structural components also frequently incorporating this versatile metal.

These examples demonstrate how versatile and reliable stainless steel 321 coil can be across various industries.x

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jaiman metlloys llp

mumbai - maharashtra - india

2 Year

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Jaiman Metlloys LLP

jaiman metlloys llp

mumbai - maharashtra - india

2 Year

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