ASTM A709-50W Corten Steel Plates: High-Performance Weathering Steel for Enhanced Durability

Welcome to ASC LLP, your trusted dealer and stockist of premium alloy steel products. Among our extensive inventory, the ASME SA387 Grade 91 Class 1 Plates stand out due to their exceptional properties and advantages, making them an ideal choice for high-temperature and high-pressure applications. In this detailed overview, we will delve into the specifics of ASME SA387 Grade 91 Class 1 Alloy Steel Plates, their properties, advantages, and applications.

What are ASME SA387 Grade 91 Class 1 Plates?

ASME SA387 Grade 91 Class 1 Plates are part of the ASME SA387 standard, which covers chromium-molybdenum alloy steel plates intended primarily for use in welded boilers and pressure vessels designed for elevated temperature service. Grade 91 Class 1 is a particularly high-performing grade within this standard, known for its enhanced mechanical properties and resistance to high-temperature environments.

ASME SA387 Grade 91 Class 1 Plates

Properties of ASME SA387 Grade 91 Class 1 Plates

The unique composition of ASME SA387 Grade 91 Class 1 Plates includes a blend of chromium, molybdenum, and other alloying elements that provide outstanding strength and durability. Key properties include:

  • High Tensile Strength: These plates exhibit superior tensile strength, ensuring structural integrity under high-pressure conditions.
  • Excellent Creep Resistance: The addition of molybdenum and chromium enhances creep resistance, which is crucial for materials used in high-temperature environments.
  • Enhanced Hardness: The alloying elements contribute to increased hardness, making the plates more resistant to wear and tear.
  • Superior Corrosion Resistance: Chromium provides excellent resistance to oxidation and corrosion, even in aggressive environments.
  • Good Fabricability: Despite their strength and hardness, these plates maintain good weldability and formability, allowing for ease of fabrication.

Advantages of ASME SA387 Grade 91 Class 1 Plates

Choosing ASME SA387 Grade 91 Class 1 Plates offers several significant advantages:

  • Reliability in Extreme Conditions: These plates are designed to withstand extreme temperatures and pressures, ensuring reliability in critical applications such as power generation and petrochemical industries.
  • Longevity: The superior mechanical properties and resistance to environmental degradation extend the lifespan of the equipment, reducing maintenance costs and downtime.
  • Versatility: The plates are suitable for a wide range of applications, from pressure vessels and boilers to heat exchangers and reactors.
  • Cost-Effective: Given their durability and performance, these plates provide excellent value for money by minimizing the need for frequent replacements.
ASME SA387 Gr91 Cl1 Plates

Schedule and Size Chart

Thickness (mm) Width (mm) Length (mm)
6 1500-3000 6000-12000
8 1500-3000 6000-12000
10 1500-3000 6000-12000
12 1500-3000 6000-12000
16 1500-3000 6000-12000
20 1500-3000 6000-12000
25 1500-3000 6000-12000
30 1500-3000 6000-12000

Mechanical Properties Chart

Property Value
Tensile Strength (MPa) 585-760
Yield Strength (MPa) 415 (min)
Elongation (% in 50mm) 18 (min)
Hardness (HBW) 250-310
Impact Energy (J) 27 (min) at -18°C

Specifications Chart

Standard Specification
ASTM/ASME SA387/SA387M
Grade 91
Class 1
Type Chromium-Molybdenum Alloy Steel
Application Pressure Vessels and Boilers
Thickness 6mm to 30mm
Width 1500mm to 3000mm
Length 6000mm to 12000mm

Chemical Composition Chart

Element Composition (%)
Carbon (C) 0.08-0.12
Manganese (Mn) 0.30-0.60
Phosphorus (P) 0.020 max
Sulfur (S) 0.010 max
Silicon (Si) 0.20-0.50
Chromium (Cr) 8.00-9.50
Molybdenum (Mo) 0.85-1.05
Vanadium (V) 0.18-0.25
Nickel (Ni) 0.40 max
Aluminum (Al) 0.02-0.07
Niobium (Nb) 0.06-0.10
Nitrogen (N) 0.030-0.070
Boron (B) 0.001-0.006
Copper (Cu) 0.30 max
Zirconium (Zr) 0.01-0.02

Physical Properties Chart

Property Value
Density (g/cm³) 7.8
Melting Point (°C) 1400-1450
Thermal Conductivity (W/m.K) 26.9 at 100°C
Specific Heat (J/kg.K) 460 at 20°C
Electrical Resistivity (Ω.mm²/m) 0.50 at 20°C

Application Chart

Industry Application
Power Generation Boilers, Steam Turbines, Pressure Vessels
Petrochemical Reactors, Heat Exchangers, Distillation Columns
Oil and Gas Offshore Platforms, Refineries, Processing Equipment
Chemical Processing Chemical Reactors, High-Temperature Chemical Processing
Industrial Equipment Industrial Furnaces, Heat Treatment Equipment
Aerospace High-Temperature Structural Components

Why Choose ASC LLP?

As a trusted dealer and stockist of ASME SA387 Gr91 Class 1 Plates, ASC LLP is committed to providing high-quality products that meet the stringent requirements of our clients. Our extensive inventory, expert knowledge, and dedication to customer satisfaction set us apart in the industry.

  • Quality Assurance: We source our plates from reputed manufacturers, ensuring they meet international standards and specifications.
  • Technical Expertise: Our team of experts provides technical support and guidance to help you select the right plates for your specific needs.
  • Timely Delivery: With a robust supply chain and efficient logistics, we ensure timely delivery of our products to any location.
  • Competitive Pricing: We offer competitive pricing without compromising on quality, providing value for your investment.

ASME SA387 Grade 91 Class 1 Alloy Steel Plates are a superior choice for industries requiring materials that can withstand high temperatures, pressures, and corrosive environments. At ASC LLP, we are proud to be a leading dealer and stockist of these high-performance plates, offering unparalleled quality, reliability, and service to our clients. For all your alloy steel plate needs, trust ASC LLP to deliver excellence.

Contact us today to learn more about our ASME SA387 Gr91 Class 1 Plate and how we can assist you in meeting your industrial requirements.

Global Reach

Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASME SA387 Grade 91 Class 1 Plates. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

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Countries We Export To

UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

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