Product Description:
The ASTM A387 specification outlines the requirements for pressure vessel plates made of Cr-Mo alloy steel that are designed to be used in high-temperature service. These plates have been developed to support applications that necessitate superior mechanical properties and resistance to oxidation, ensuring their suitability for use in elevated temperature environments.
At Gnee, we are proud to offer a range of A387/SA387 Grades that are specifically designed to meet the needs of refineries, chemical plants, and power facilities. These plates can be provided in either class 1 or 2 and more, depending on the requirements of the application.
Our commitment to quality means that you can trust in the reliability and durability of our ASTM A387 plates. Whether you're looking to upgrade existing equipment or are starting a new project, we have the products and expertise you need to get the job done right.
Technical Parameters:
A387/SA387 Alloy Steel Plate Chemical and Mechanical Properties
Chemical Properties
The following table shows the chemical properties of A387/SA387 Alloy Steel Plate:
| Grade | Carbon | Manganese | Phosphorous | Sulfur | Silicon | Chromium | Molybdenum |
| Grade 5 | 0.15 max | 0.25-0.66 | 0.035 | 0.030 | 0.55 max | 3.9-6.1 | 0.40-0.7 |
| Grade 9 | 0.15 max | 0.25-0.66 | 0.030 | 0.030 | 1.05 max | 7.9-10.1 | 0.85-1.15 |
| Grade 11 | 0.04-0.17 | 0.35-0.73 | 0.035 | 0.035 | 0.44-0.86 | 0.94-1.56 | 0.40-0.7 |
| Grade 12 | 0.04-0.17 | 0.35-0.73 | 0.035 | 0.035 | 0.13-0.45 | 0.74-1.21 | 0.4-0.65 |
| Grade 22 | 0.04-0.15 | 0.25-0.66 | 0.035 | 0.035 | 0.5 max | 1.88-2.62 | 0.85-1.15 |
Mechanical Properties
The following table shows the mechanical properties of A387/SA387 Alloy Steel Plate:
| Grade | Class 1 Tensile Strength (ksi) | Class 2 Tensile Strength (ksi) | Class 1 Tensile Strength (MPa) | Class 2 Tensile Strength (MPa) | Class 1 Yield Strength (ksi) | Class 2 Yield Strength (ksi) | Class 1 Yield Strength (MPa) | Class 2 Yield Strength (MPa) | Elongation in 200mm (%) | Elongation in 50mm (%) | Reduction of area in (%) |
| Grade 5 | 60-85 | 75-100 | 415-585 | 515-690 | 30 | 45 | 205 | 310 | | 18 | 45 |
| Grade 9 | 60-85 | 75-100 | 415-585 | 515-690 | 30 | 45 | 205 | 310 | | 18 | 45 |
| Grade 11 | 60-85 | 70-90 | 415-585 | 485-620 | 35 | 45 | 240 | 310 | 19 | 22 | 45 |
| Grade 12 | 50-80 | 60-85 | 380-550 | 415-585 | 33 | 40 | 230 | 275 | | 22 | 45 |
| Grade 22 | 60-85 | 75-100 | 415-585 | 515-690 | 30 | 45 | 205 | 310 | | 18 | 45 |
Applications:
Introducing a premium chrome molybdenum alloy steel plate that has been specifically designed for use in carbon steel pressure vessels that require exceptional performance at high temperatures. With the addition of molybdenum, this material boasts superior temperature tensile strength and, thanks to its chromium content, it is highly resistant to corrosion.
This steel plate has been carefully crafted with weldability in mind, ensuring it can be easily incorporated into your welding projects to achieve high-quality, long-lasting results. Its unique composition provides it with exceptional mechanical properties, making it ideal for use in a range of industrial applications, particularly those that require products to withstand demanding conditions.
When it comes to high-quality chrome molybdenum alloy steel plates, this product is unmatched. Whether you're working in oil and gas, chemical processing, or power generation, this material will help to optimize your project's performance and efficiency.
FAQ:
Q: What is the brand name of the pressure vessel steel plate?
A: The brand name of the pressure vessel steel plate is GNEE.
Q: What is the model number of the pressure vessel steel plate?
A: The model number of the pressure vessel steel plate is SA 387 Steel Plates Grade 11 & 22.
Q: Where is the pressure vessel steel plate made?
A: The pressure vessel steel plate is made in China.
Q: What is the application of the pressure vessel steel plate?
A: The pressure vessel steel plate is mainly used in the manufacturing of boilers, pressure vessels, and heat exchangers.
Q: What are the available grades for the pressure vessel steel plate?
A: The available grades for the pressure vessel steel plate are Grade 11 and Grade 22.
