Description
A387/SA387 Chrome Moly Plates & Sheets
Table of Contents:
- What are A387/SA387 Chrome Moly Plates?
- Grades and Classifications
- Applications of A387/SA387 Plates
- Mechanical Properties of A387/SA387 Plates
- Specifications and International Standards
- Stock Availability
- Benefits of Using A387/SA387 Plates
1. What are A387/SA387 Chrome Moly Plates?
A387/SA387 Chrome Moly Plates are alloy steel plates designed for use in boilers and pressure vessels exposed to elevated temperatures. The plates contain chromium and molybdenum, which provide enhanced corrosion resistance and strength at high temperatures. These plates are specifically engineered to withstand the harsh environments of the oil, gas, and petrochemical industries. Textron Steel and Alloys is a leading stockist of A387/SA387 plates sourced from renowned manufacturers like Uttam Essar, ensuring high quality and reliability.
2. Grades and Classifications
A387/SA387 Chrome Moly Plates are available in various grades and classes, each designed for specific pressure vessel applications. Below is an overview of the most popular grades:
- SA387 GR 5 Class 1 & 2 / A387 GR 5 Class 1 & 2: Known for its excellent corrosion resistance and high-temperature tensile strength. Used in weldable carbon steel pressure vessels.
- SA387 GR 9 Class 1 & 2 / A387 GR 9 Class 1 & 2: Ideal for elevated temperature environments with improved resistance to heat and corrosion, primarily used in the petrochemical industry.
- SA387 GR 11 Class 1 & 2 / A387 GR 11 Class 1 & 2: Provides exceptional corrosion resistance, especially in sour gas environments, widely used in the oil, gas, and petrochemical industries.
- SA387 GR 12 Class 1 & 2 / A387 GR 12 Class 1 & 2: A chrome molybdenum alloy steel known for its oxidation resistance, used in industrial boilers and pressure vessels.
- SA387 GR 22 Class 1 & 2 / A387 GR 22 Class 1 & 2: Used for high-temperature pressure vessel applications. Its good oxidation resistance makes it ideal for oil and gas industries.
- SA387 GR 91 Class 1 & 2 / A387 GR 91 Class 1 & 2: Provides superior resistance to heat and corrosion, making it a versatile choice for fabricators serving the oil and gas industry.
3. Applications of A387/SA387 Plates
A387/SA387 Chrome Moly Plates are widely used in various industries due to their ability to withstand high temperatures and corrosive environments. Common applications include:
- Pressure Vessels: Ideal for vessels that operate under high pressure and elevated temperatures, often in petrochemical and power generation industries.
- Boilers: Used in industrial boilers where heat resistance and durability are essential.
- Sour Gas Applications: Chromium-molybdenum alloys are known for their resistance to sour gas, making these plates essential in oil and gas exploration.
- Petrochemical Industry: Essential for fabricating components that handle gases and liquids at elevated temperatures.
4. Mechanical Properties of A387/SA387 Plates
The mechanical properties of A387/SA387 plates are essential for understanding their performance under high temperatures and pressures. Here is a summary of tensile and yield strengths for various grades and classes:
| Grade | Class | Tensile Strength (ksi) | Tensile Strength (MPa) | Yield Strength (ksi) | Yield Strength (MPa) | Elongation in 50mm (%) |
|---|---|---|---|---|---|---|
| A387 Grade 5 | 1 | 60-85 | 415-585 | 30 | 205 | 18 |
| A387 Grade 9 | 2 | 75-100 | 515-690 | 45 | 310 | 18 |
| A387 Grade 11 | 1 | 60-85 | 415-585 | 35 | 240 | 22 |
| A387 Grade 12 | 2 | 65-85 | 450-585 | 40 | 275 | 22 |
| A387 Grade 22 | 1 | 60-85 | 415-585 | 30 | 205 | 18 |
| A387 Grade 91 | 2 | 75-100 | 515-690 | 45 | 310 | 18 |
5. Specifications and International Standards
A387/SA387 plates conform to a variety of international standards, including:
- ASME SA387: The American Society of Mechanical Engineers standard for pressure vessel grade alloy steel.
- ASTM A387: The American Society for Testing and Materials standard for chromium-molybdenum alloy steel plates.
These standards ensure that the plates are suitable for use in high-temperature, high-pressure environments, offering exceptional durability and resistance to wear.
6. Stock Availability
At Textron Steel and Alloys, we maintain a large inventory of A387/SA387 Chrome Moly Plates for immediate shipment. Our stock includes popular grades like Grade 5, Grade 9, Grade 11, Grade 12, Grade 22, and Grade 91, available in both Class 1 and Class 2 variants.
7. Benefits of Using A387/SA387 Plates
The A387/SA387 Chrome Moly Plates offer several advantages:
- High-Temperature Resistance: Withstand extreme temperatures, making them ideal for boilers and pressure vessels.
- Corrosion Resistance: The chromium content enhances resistance to oxidation and corrosion, particularly in sour gas environments.
- Excellent Mechanical Strength: Added molybdenum provides high tensile strength and durability, ensuring long-lasting performance in demanding applications.
- Versatility: Suitable for various industries, including petrochemical, oil, gas, and power generation.
