304 Stainless Steel

304L Stainless Steel

ASTM A387 Grade 11, Grade 12, Grade 22 AS Plates, ASME SA387 Class 1 & Class 2, EN 10028-2 (P265GH, P295GH) AS Plates

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Product Description:

Enhance your heavy-duty machinery with our ASTM A387 AS plates available in Grade 11, Grade 12, and Grade 22. These plates are designed for applications in elevated temperatures and are excellent for use in boilers, pressure vessels, and heat exchangers. Our ASME SA387 plates come in Class 1 and Class 2, offering robust performance in challenging environments.

Additionally, our EN 10028-2 plates, available in grades P265GH and P295GH, are engineered for high-pressure applications across a variety of industries. Each plate meets rigorous standards, ensuring maximum durability and safety.

ASTM A387 and ASME SA387 Alloy Steel Plates are premium materials engineered to perform in high-temperature and high-pressure environments. These plates, manufactured in compliance with international standards, are commonly used in pressure vessels, heat exchangers, and other industrial equipment. With excellent heat and corrosion resistance, these grades are ideal for applications in the petrochemical, power generation, and chemical industries.

Key Features

ASTM A387 Grade 11 / SA387 Grade 11

  • Material: Chromium-Molybdenum Alloy Steel.
  • Applications: Pressure vessels and boilers in high-temperature environments.
  • Key Features: Good thermal conductivity and oxidation resistance.


ASTM A387 Grade 12 / SA387 Grade 12

  • Material: Low Alloy Steel with Chromium and Molybdenum.
  • Applications: Industrial boilers, heat exchangers, and refinery equipment.
  • Key Features: Superior creep strength and resistance to oxidation.


ASTM A387 Grade 22 / SA387 Grade 22

  • Material: High-Strength Chromium-Molybdenum Alloy Steel.
  • Applications: Components in power plants and industrial boilers.
  • Key Features: Exceptional performance at elevated temperatures.


EN 10028-2 (P265GH, P295GH)

  • Material: Non-Alloy and Alloy Steel Plates for Pressure Vessels.
  • Applications: Pressure vessels and piping systems.
  • Key Features: High weldability and resistance to heat-induced stress.

Specifications

Grade

Standard

Thickness Range

Applications

ASTM A387 Grade 11

ASME/ASTM

6 mm to 150 mm

Heat exchangers, pressure vessels

ASTM A387 Grade 12

ASME/ASTM

6 mm to 150 mm

Industrial boilers, refinery equipment

ASTM A387 Grade 22

ASME/ASTM

6 mm to 150 mm

High-pressure equipment, power plants

EN 10028-2 P265GH/P295GH

EN/ISO

6 mm to 100 mm

Boilers, piping systems

Mechanical Properties

Property

Grade 11

Grade 12

Grade 22

P265GH

P295GH

Tensile Strength (MPa)

450-585

450-585

515-690

410-530

460-580

Yield Strength (MPa)

240

240

310

235

295

Elongation (%)

18-22

18-22

18-22

23-25

22-24

Max Operating Temperature

Up to 600°C

Up to 600°C

Up to 650°C

Up to 400°C

Up to 400°C

Advantages

  1. High-Temperature Strength: Excellent performance in elevated temperatures for sustained operations.
  2. Corrosion Resistance: Strong resistance to oxidation and corrosion in aggressive environments.
  3. Versatility: Wide range of industrial applications across energy and petrochemical sectors.
  4. Weldability: Enhanced machinability and weldability for seamless fabrication.
  5. Durability: Reliable performance with long service life in extreme conditions.

Why Choose ASTM A387 and EN 10028-2 Plates?

These high-performance alloy steel plates are an ideal solution for applications requiring durability, heat resistance, and long-term reliability. With compliance to global standards and exceptional mechanical properties, these plates are a preferred choice for industrial sectors worldwide.

Contact us today for expert advice and competitive pricing on ASTM A387 Grade 11, Grade 12, Grade 22, ASME SA387 Class 1 & Class 2, and EN 10028-2 (P265GH, P295GH) Alloy Steel Plates!

Applications

ASTM A387 Grade 11 / Grade 12

  • Heat exchangers in power and chemical plants.
  • Steam boilers and drums.
  • Petrochemical refinery equipment.


ASTM A387 Grade 22

  • Industrial boilers in high-pressure environments.
  • Components for energy sector applications.
  • Pressure vessels for elevated temperature operations.


EN 10028-2 (P265GH, P295GH)

  • Pressure vessels for moderate temperatures.
  • Piping systems in oil and gas refineries.
  • Industrial applications requiring high weldability.

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FAQ

What is the primary difference between ASTM A387 Grade 11 and Grade 22?

Grade 11 is used for moderate high-temperature applications, while Grade 22 is designed for higher temperature and pressure environments with enhanced creep resistance.

Can EN 10028-2 P265GH be used for low-temperature applications?

P265GH is suitable for moderate temperature environments. For low-temperature applications, other grades with specific properties should be selected.

What industries commonly utilize ASTM A387 plates?

Industries like power generation, petrochemical, and chemical processing extensively use ASTM A387 plates for heat exchangers, boilers, and pressure vessels.