Alloy Steel A387 Gr 91 Plates

Alloy Steel A387 Grade 91 plates are used in industries where the application demands high strength and excellent resistance to heat. These plates are from the ASTM A387, the standard specification for pressure vessel plates, alloy steel, and chromium-molybdenum.

Chemical Composition of Alloy Steel A387 Grade 91 plates

The composition of the Alloy Steel A387 Grade 91 plates is crucial for understanding their properties and performance in various industrial applications.

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 91 plates

The table provides essential information for engineers and manufacturers to assess the integrity and durability of the Alloy Steel A387 Grade 91 plates in demanding environments.

Thus, this valuable data on the strength, flexibility, and resilience of the Alloy Steel A387 Grade 91 plates is crucial for ensuring reliability and longevity.

Advantages of Alloy Steel A387 Grade 91 plates

These flexible plates offer numerous benefits for various industrial applications.

•  Exceptional High-Temperature Strength: Alloy Steel A387 Grade 91 plates offer high strength and good resistance to heat at temperatures of up to 650°C (1202°F) and thus are ideal for high-temperature usage.
• Enhanced Corrosion and Oxidation Resistance: Chromium and molybdenum make the material highly resistant to corrosion and oxidation. Thus, Alloy Steel A387 Grade 91 plates is very durable in extreme conditions.
• Superior Mechanical Properties: These plates also exhibit high tensile and yield strength and good creep and rupture strength at higher temperatures for steady-state service.
• Good Fabrication and Weldability: Alloy Steel A387 Grade 91 plates are relatively easy to fabricate and weld, making developing high-performance structures and equipment possible.
• Thermal Stability: These plates also have good thermal stability, so they will not degrade in their properties and performance even when used in high-temperature applications.
• Cost-Effective Solution: Alloy Steel A387 Grade 91 plates are ideal for high-temperature usage since they are long-lasting and have a long service life, making them cheaper in the long run.

Alloy Steel A387 Grade 91 plates offer several advantages that make them suitable for industrial and commercial applications.

Common Applications of Alloy Steel A387 Grade 91 plates

Due to its excellent features, the Alloy Steel A387 Grade 91 plates are preferred in various industrial applications. Some of the main applications include.

•  Boilers and Pressure Vessels: These plates are used in manufacturing boilers and pressure vessels for the petrochemical, chemical and power plant industries where high temperature and pressure are usually encountered.
• Power Generation: Alloy Steel A387 Grade 91 plates are used in power plant industries for parts like steam generators, heaters, and reheaters at high temperatures and pressures.
• Oil and Gas Industry: In the oil and gas industry, these plates are applied to the equipment in the refineries and gas processing plants, where the equipment is subjected to high temperatures and corrosive atmospheres.
• Chemical Processing: Alloy Steel A387 Grade 91 plates are used in chemical processing industries to manufacture reactors, heat exchangers and other machinery in high-temperature and corrosive environments.
• Industrial Furnaces: Alloy Steel A387 Grade 91 plates are employed in industrial furnaces for the parts required to have thermal shock resistance.

Alloy Steel A387 Grade 91 plates are applied across various industries due to their valuable features, which make them versatile.