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Stainless Steel 309H Tubing

Stainless steel 309H tubing is a high carbon version specifically designed for enhanced high temperature resistance and thermal cycling. It belongs to the family of austenitic stainless steels, known for their excellent features. 

Chemical Composition of SS 309H Tubing

The composition of Stainless steel 309H tubing is crucial for understanding their properties and performance in various industrial applications.

GradeCMnSiPSCrNiFe
SS 309H0.04-0.102.00.750.0450.0322.0-24.015.058.0-63.0
 

Thus, this table provides valuable insights into the chemical composition of these tubing, highlighting their properties and suitability. 

Mechanical Properties of Stainless steel 309H tubing

The table provides essential information for engineers and manufacturers to assess the integrity and durability of Stainless steel 309H tubing in demanding environments.

GradeTensile Strengtd ksi (min)Yield Strength 0.2% ksi (min)Elongation %Hardness (Brinell) max
309H403040217
 

Thus, this valuable data on the strength, flexibility, and resilience of stainless steel 309 tubing is crucial for ensuring reliability and longevity.

Characteristics  of Stainless Steel 309H Tubing

Stainless steel 309H tubing exhibits several key characteristics that make it suitable for high temperature and corrosive environments:

  • High Temperature Resistance: 309H tubing is designed to withstand prolonged exposure to high temperatures. This makes it ideal for applications where thermal cycling and heat resistance are crucial.
  • Corrosion Resistance: SS 309H tubing exhibits outstanding corrosion resistance, especially in oxidising environments like acids, alkalis, and other corrosive substances.
  • Strength and Durability: 309H tubing exhibits improved strength and hardness. This allows it to maintain structural integrity under thermal stress. 
  • Weldability: 309H tubing can be readily welded using common welding techniques such as arc welding, resistance welding, and gas tungsten arc welding.
  • Fabrication and Machinability: 309H has higher strength and hardness, and it can be machined using standard techniques. Its machinability is influenced by its composition and heat treatment.

Stainless steel 309H tubing is valued for maintaining structural integrity and performance in demanding environments.

Applications of Stainless Steel 309H Tubing

Stainless Steel 309H tubing is utilised in various applications. Some common applications include:

  • Furnace Components: Stainless steel 309H tubing is used in the manufacturing of furnace tubes, radiant tubes, and other components 
  • Heat Exchangers: Stainless steel 309H tubing is employed in heat exchanger tubes for efficient heat transfer.
  • Boiler Tubes: The durability and reliability of boiler tubes under extended cycles of heating and cooling ensure their longevity, and they use SS 309H tubing.
  • Chemical Processing Equipment: Stainless steel 309H tubing is used in equipment such as reactors, distillation columns, and pipelines 
  • Aerospace Applications: Stainless steel 309H tubing is used in aerospace components such as exhaust systems, heat exchangers, and other structural elements 
  • Power Generation: Stainless steel 309H tubing used in components such as turbine tubing and exhaust systems in power plants 

Stainless Steel 309H tubing's versatility and robust properties make it suitable for various industries.

Stainless steel 309H tubing is a high carbon version specifically designed for enhanced high temperature resistance and thermal cycling. It belongs to the family of austenitic stainless steels, known for their excellent features. 

Chemical Composition of SS 309H Tubing

The composition of Stainless steel 309H tubing is crucial for understanding their properties and performance in various industrial applications.

GradeCMnSiPSCrNiFe
SS 309H0.04-0.102.00.750.0450.0322.0-24.015.058.0-63.0
 

Thus, this table provides valuable insights into the chemical composition of these tubing, highlighting their properties and suitability. 

Mechanical Properties of Stainless steel 309H tubing

The table provides essential information for engineers and manufacturers to assess the integrity and durability of Stainless steel 309H tubing in demanding environments.

GradeTensile Strengtd ksi (min)Yield Strength 0.2% ksi (min)Elongation %Hardness (Brinell) max
309H403040217
 

Thus, this valuable data on the strength, flexibility, and resilience of stainless steel 309 tubing is crucial for ensuring reliability and longevity.

Characteristics  of Stainless Steel 309H Tubing

Stainless steel 309H tubing exhibits several key characteristics that make it suitable for high temperature and corrosive environments:

  • High Temperature Resistance: 309H tubing is designed to withstand prolonged exposure to high temperatures. This makes it ideal for applications where thermal cycling and heat resistance are crucial.
  • Corrosion Resistance: SS 309H tubing exhibits outstanding corrosion resistance, especially in oxidising environments like acids, alkalis, and other corrosive substances.
  • Strength and Durability: 309H tubing exhibits improved strength and hardness. This allows it to maintain structural integrity under thermal stress. 
  • Weldability: 309H tubing can be readily welded using common welding techniques such as arc welding, resistance welding, and gas tungsten arc welding.
  • Fabrication and Machinability: 309H has higher strength and hardness, and it can be machined using standard techniques. Its machinability is influenced by its composition and heat treatment.

Stainless steel 309H tubing is valued for maintaining structural integrity and performance in demanding environments.

Applications of Stainless Steel 309H Tubing

Stainless Steel 309H tubing is utilised in various applications. Some common applications include:

  • Furnace Components: Stainless steel 309H tubing is used in the manufacturing of furnace tubes, radiant tubes, and other components 
  • Heat Exchangers: Stainless steel 309H tubing is employed in heat exchanger tubes for efficient heat transfer.
  • Boiler Tubes: The durability and reliability of boiler tubes under extended cycles of heating and cooling ensure their longevity, and they use SS 309H tubing.
  • Chemical Processing Equipment: Stainless steel 309H tubing is used in equipment such as reactors, distillation columns, and pipelines 
  • Aerospace Applications: Stainless steel 309H tubing is used in aerospace components such as exhaust systems, heat exchangers, and other structural elements 
  • Power Generation: Stainless steel 309H tubing used in components such as turbine tubing and exhaust systems in power plants 

Stainless Steel 309H tubing's versatility and robust properties make it suitable for various industries.

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multinox nickel alloys llp

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Multinox Nickel Alloys LLP

multinox nickel alloys llp

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BHAGYALAXMI INDUSTRIAL

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bright metal overseas llp

mumbai - maharashtra - india

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BRIGHT METAL OVERSEAS LLP

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