ASME SA 387 Gr 91 Alloy Plate Manufacturers in India

 Introduction

The ASME SA 387 Gr 91 Alloy Plate is a premium grade material widely used in high-temperature, high-pressure environments. This alloy steel plate, specifically designed for welded boilers and pressure vessels, offers exceptional strength and resistance to thermal fatigue and corrosion. Its superior properties make it a preferred choice in industries such as petrochemical, oil and gas, and power generation.

Overview

ASME SA 387 Gr 91 is part of the ASTM A387 family of chromium-molybdenum alloy steels, which are known for their excellent performance in high-temperature conditions. The Grade 91 variant is particularly noted for its increased resistance to oxidation and high creep strength, thanks to its higher chromium and molybdenum content. The steel plate's microstructure is enhanced through heat treatment, which further bolsters its mechanical properties.

Specifications

  • Standard: ASME SA 387 / ASTM A387
  • Grade: Gr 91
  • Type: Alloy Steel
  • Thickness: 6mm to 150mm
  • Width: Up to 3000mm
  • Length: Up to 12000mm
  • Heat Treatment: Quenched and Tempered
  • Chemical Composition:
    • Carbon (C): 0.08-0.12%
    • Manganese (Mn): 0.30-0.60%
    • Phosphorus (P): ≤0.020%
    • Sulfur (S): ≤0.010%
    • Silicon (Si): 0.20-0.50%
    • Chromium (Cr): 8.0-9.5%
    • Molybdenum (Mo): 0.85-1.05%
    • Vanadium (V): 0.18-0.25%
    • Niobium (Nb): 0.06-0.10%
    • Nitrogen (N): 0.03-0.07%
  • Mechanical Properties:
    • Tensile Strength: 585 MPa min
    • Yield Strength: 415 MPa min
    • Elongation: 20% min

Applications

  • Petrochemical Industry: Utilized in the construction of reactors, pressure vessels, and other equipment that operate under high temperatures and pressures.
  • Power Generation: Essential in the manufacture of steam turbine components and high-pressure steam boilers.
  • Oil and Gas: Used in refining equipment, particularly in areas exposed to high temperatures and corrosive environments.
  • Chemical Processing: Suitable for high-temperature chemical reactors and heat exchangers.

Industry Implications

1.     Enhanced Durability: Provides long-lasting performance in extreme conditions, reducing downtime and maintenance costs.

2.     High-Temperature Stability: Maintains structural integrity at elevated temperatures, crucial for safety and efficiency in industrial applications.

3.     Cost Efficiency: Despite a higher upfront cost, the extended lifespan and reduced need for replacement and repair make it a cost-effective solution.

4.     Versatility: Adaptable for various high-stress applications across multiple industries, showcasing its robustness and reliability.

5.     Regulatory Compliance: Meets stringent industry standards and regulations, ensuring safety and performance.

Conclusion

The ASME SA 387 Gr 91 Alloy Plate stands out as a material of choice for industries demanding high strength and durability in high-temperature environments. Its unique chemical composition and mechanical properties make it ideal for applications in petrochemical, power generation, and oil and gas sectors. Vandan Steel & Engg. Co., a leading supplier of alloy steel plates, ensures the availability of high-quality ASME SA 387 Gr 91 plates, catering to the diverse needs of its industrial clientele. Committed to excellence, Vandan Steel & Engg. Co. continues to provide materials that uphold the highest standards of safety, performance, and reliability.

Comments

Post a Comment

Popular posts from this blog

Image
  Alloy steels are alloys that have been created to enhance basic properties of steel. As plates, these incorporate qualities, hardness, durability, wear safety and consumption safety. A large portion of the alloys steels are not difficult to machine, stamp and manufacture and can be fabricated to exact tolerances. Alloys steel plates are characterized as steel plates with an unequivocal reach or distinct least amount of extra components, contingent upon the alloys. Regular alloying components incorporate aluminium, Nickel, Titanium etc. Vandan Steel & Engg. co. is one of the business' heading merchants of transformed alloy steel plate products, with clients working all around in requesting commercial enterprises, for example, aviation, oil & gas and other mechanical sections, for example, construction equipment and power generation, depending on Vandan Steel & Engg. co. to supply superior alloy steel plate. ALLOY STEEL PLATES
Read more
Image
 Rockstar 400 is a type of wear-resistant plate that's really tough and durable. It's specially designed for industries where equipment faces tough conditions, like mining and construction. This plate is made from a mix of different materials including manganese, carbon, molybdenum, chromium, sulfur phosphorus, silicon, boron, and nickel, which give it its unique properties. Industries use Rockstar 400 in a variety of applications. It's great for yellow mining products, as well as for equipment like excavators, crushers, and truck linings. You can also find it in silos, conveyor pipes, and other machinery used for tasks like vacuuming, sweeping, and tilting the ground. Rockstar 400 plates have certain specifications. They come in different thicknesses ranging from 6mm to 75mm, with lengths from 6,000mm to 12,000mm, and widths from 1,500mm to 2,500mm. They can be produced through hot-rolling or cold-rolling processes. These plates undergo heat treatment to enhance their prop
Read more

Abrex 500 Manufacturers in India

Image
  Introduction to Abrex 500 Abrex 500 is a type of quenched and tempered steel that can survive the most extreme conditions. With a nominal hardness of 500 HBW (Brinell Hardness), this steel plate is very resistant to wear and abrasion, making it perfect for heavy-duty applications. Its improved qualities result from a precise blend of carbon, manganese, chromium, and other alloying components, as well as modern heat treatment methods.   What is Abrex 500? Acquiring Abrex 500 from reliable suppliers is essential for industries that want to uphold high performance and reliability standards. Abrex 500 is a high-strength, abrasion-resistant steel plate that is widely recognized for its exceptional durability and wear resistance. It is commonly used in industries where materials are subjected to severe abrasion and impact, ensuring the longevity and efficiency of critical components.   SPECIFICATION ABREX 400:     Size:  5mm ~ 120 mm     Width:  Up to 3000 mm     Length:
Read more