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Alloy Steel A387 Gr 22 Plates

Alloy Steel A387 Gr 22 Plates

Alloy Steel A387 Grade 22 plates are used for pressure vessels, boilers, and heat exchangers in elevated temperature service. These are manufactured from chromium-molybdenum alloy steel, which has high corrosion and oxidation resistance and good mechanical properties at high temperatures.

Chemical Composition of Alloy Steel A387 Grade 22 plates

The composition of the Alloy Steel A387 Grade 22 plates is crucial for understanding their properties and performance in various industrial applications.

GradeCMnPSSiCrMo
A387 Gr.220.05-0.150.30-0.600.0350.0350.50 max2.00-2.500.90-1.10

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

Mechanical Properties of Alloy Steel A387 Grade 22 plates

The table provides essential information for engineers and manufacturers to assess the integrity and durability of the Alloy Steel A387 Grade 22 plates in demanding environments.

ClassTensile (MPa)Yield (MPa)Elong. (50mm)Elong. (200mm)Reduction of Area*
Class 1415 - 585205 min18% min-40% min
Class 2515 - 69018% min-40% min

Thus, this valuable data on the strength, flexibility, and resilience of the Alloy Steel A387 Grade 22 plates is crucial for ensuring reliability and longevity.

Advantages of Alloy Steel A387 Grade 22 plates

These flexible plates offer numerous benefits for various industrial applications.

  • High-Temperature Resistance: Alloy Steel A387 Grade 22 plates have excellent performance at high temperatures up to 600 °C (1100 °F), thus making them suitable for boilers and pressure vessels.
  • Corrosion and Oxidation Resistance: The chromium and molybdenum in A387 Gr 22 plates enable corrosion and oxidation resistance in elevated temperature applications, making them more durable.
  • Good Mechanical Properties: Alloy Steel A387 Grade 22 plates have good tensile and yield strength and good creep and rupture strength at high temperatures.
  • Fabrication and Weldability: Alloy Steel A387 Grade 22 plates are easy to fabricate and weld, which makes it easy to build structures and vessels.
  • Cost-Effective: It provides an economical solution for applications where high temperature and corrosion resistance are needed compared to other materials.

Alloy Steel A387 Grade 22 plates offer several advantages that make them suitable for industrial and commercial applications.

Applications of Alloy Steel A387 Grade 22 plates

Due to its excellent features, the Alloy Steel A387 Grade 22 plates are preferred in various industrial applications. Some of the main applications include.

  • Boilers and Pressure Vessels: Alloy Steel A387 Grade 22 plates are mainly used to manufacture boilers and pressure vessels in the oil, gas and chemical processing industries.
  • Power Generation: These plates are used in power plants where steam is produced and super heated; hence, the materials used must endure high pressure and temperature.
  • Oil and Gas Industry: Alloy Steel A387 Grade 22 plates applied in the refineries and gas processing plants for use in vessels and equipment subjected to high temperature and corrosive services.
  • Chemical Processing: Alloy Steel A387 Grade 22 plates are used in chemical processing industries for equipment dealing with corrosive materials at high temperatures.
  • Shipbuilding: Alloy Steel A387 Grade 22 plates are applied in shipbuilding for the construction of ships and parts of ships for use in corrosive and high-temperature applications.

Alloy Steel A387 Grade 22 plates are applied across various industries due to their valuable features, which make them versatile.

Alloy Steel A387 Grade 22 plates are used for pressure vessels, boilers, and heat exchangers in elevated temperature service. These are manufactured from chromium-molybdenum alloy steel, which has high corrosion and oxidation resistance and good mechanical properties at high temperatures.

Chemical Composition of Alloy Steel A387 Grade 22 plates

The composition of the Alloy Steel A387 Grade 22 plates is crucial for understanding their properties and performance in various industrial applications.

GradeCMnPSSiCrMo
A387 Gr.220.05-0.150.30-0.600.0350.0350.50 max2.00-2.500.90-1.10

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

Mechanical Properties of Alloy Steel A387 Grade 22 plates

The table provides essential information for engineers and manufacturers to assess the integrity and durability of the Alloy Steel A387 Grade 22 plates in demanding environments.

ClassTensile (MPa)Yield (MPa)Elong. (50mm)Elong. (200mm)Reduction of Area*
Class 1415 - 585205 min18% min-40% min
Class 2515 - 69018% min-40% min

Thus, this valuable data on the strength, flexibility, and resilience of the Alloy Steel A387 Grade 22 plates is crucial for ensuring reliability and longevity.

Advantages of Alloy Steel A387 Grade 22 plates

These flexible plates offer numerous benefits for various industrial applications.

  • High-Temperature Resistance: Alloy Steel A387 Grade 22 plates have excellent performance at high temperatures up to 600 °C (1100 °F), thus making them suitable for boilers and pressure vessels.
  • Corrosion and Oxidation Resistance: The chromium and molybdenum in A387 Gr 22 plates enable corrosion and oxidation resistance in elevated temperature applications, making them more durable.
  • Good Mechanical Properties: Alloy Steel A387 Grade 22 plates have good tensile and yield strength and good creep and rupture strength at high temperatures.
  • Fabrication and Weldability: Alloy Steel A387 Grade 22 plates are easy to fabricate and weld, which makes it easy to build structures and vessels.
  • Cost-Effective: It provides an economical solution for applications where high temperature and corrosion resistance are needed compared to other materials.

Alloy Steel A387 Grade 22 plates offer several advantages that make them suitable for industrial and commercial applications.

Applications of Alloy Steel A387 Grade 22 plates

Due to its excellent features, the Alloy Steel A387 Grade 22 plates are preferred in various industrial applications. Some of the main applications include.

  • Boilers and Pressure Vessels: Alloy Steel A387 Grade 22 plates are mainly used to manufacture boilers and pressure vessels in the oil, gas and chemical processing industries.
  • Power Generation: These plates are used in power plants where steam is produced and super heated; hence, the materials used must endure high pressure and temperature.
  • Oil and Gas Industry: Alloy Steel A387 Grade 22 plates applied in the refineries and gas processing plants for use in vessels and equipment subjected to high temperature and corrosive services.
  • Chemical Processing: Alloy Steel A387 Grade 22 plates are used in chemical processing industries for equipment dealing with corrosive materials at high temperatures.
  • Shipbuilding: Alloy Steel A387 Grade 22 plates are applied in shipbuilding for the construction of ships and parts of ships for use in corrosive and high-temperature applications.

Alloy Steel A387 Grade 22 plates are applied across various industries due to their valuable features, which make them versatile.

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Alloy Steel A387 Gr 22 Plates FAQ's  

The pressure rating of Alloy Steel A387 GR 22 Plate is up to 50,000 psi and its maximum temperature is 1,100°F (593°C).

No, Alloy Steel A387 GR 22 Plate does not corrode easily. It has excellent corrosion resistance due to its alloyed steel composition.

 The appropriate welding technique for Alloy Steel A387 GR 22 Plate is SMAW (Shielded Metal Arc Welding) or GTAW (Gas Tungsten Arc Welding).

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alpha overseas

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