ASTM A387 Grade 11 Cr Mo Alloy Steel Plate For Temperature Pressure Vessels
Brand Name:GNEE
Model Number:SA 387 Steel Plates Grade 11 & 22
Place of Origin:China
Width:1500-4500mm
Length:3000-18000mm
Technique:Hot Rolled
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Product Description:
ASTM A387 serves as the universally recognized document outlining the standard specifications for Cr-Mo alloy steel pressure vessel plates. These specialized plates are explicitly created for elevated temperature service, and their composition is optimized for the requirements of mechanical strength and resistance to oxidation. Consequently, these plates are ideal for use in high-temperature environments, where their highly engineered properties can be leveraged to ensure optimal performance.
Gnee is proud to offer a range of A387/SA387 Grades to meet the needs of clients in the refining, chemical, and power plant industries. The plates are available in Class 1 or 2 compliance, in addition to various other custom specifications to address our customers' specific requirements. As a reliable supplier, we take pride in ensuring that our clients receive the highest-quality Cr-Mo alloy steel plates that are designed to withstand the unique challenges of elevated temperature applications.
Technical Parameters:
A387/SA387 Alloy Steel Plate Chemical Properties:
Below is a table listing the chemical properties of A387/SA387 Alloy Steel Plate, for various grades:
| Grades | 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 |
A387/SA387 Alloy Steel Plate Mechanical Properties:
Below is a table listing the mechanical properties of A387/SA387 Alloy Steel Plate, for various grades and their class:
| Grades and Class | Tensile Strength (ksi) | Tensile Strength (MPa) | Yield Strength (ksi) | Yield Strength (MPa) | Elongation in 200mm (%) | Elongation in 50mm (%) | Reduction of area in % |
|---|---|---|---|---|---|---|---|
| A 387 Grade 5 Class 1 | 60-85 | 415-585 | 30 | 205 | - | 18 | 45 |
| A 387 Grade 5 Class 2 | 75-100 | 515-690 | 45 | 310 | - | 18 | 45 |
| A 387 Grade 9 Class 1 | 60-85 | 415-585 | 30 | 205 | - | 18 | 45 |
| A 387 Grade 9 Class 2 | 75-100 | 515-690 | 45 | 310 | - | 18 | 45 |
| A 387 Grade 11 Class 1 | 60-85 | 415-585 | 35 | 240 | 19 | 22 | 45 |
| A 387 Grade 11 Class 2 | 70-90 | 485-620 | 45 | 310 | 18 | 22 | 45 |
| A 387 Grade 12 Class 1 | 50-80 | 380-550 | 33 | 230 | 18 | 22 | - |
| A 387 Grade 12 Class 2 | 60-85 | 415-585 | 40 | 275 | 19 | 22 | - |
| A 387 Grade 22 Class 1 | 60-85 | 415-585 | 30 | 205 | - | 18 | 45 |
| A 387 Grade 22 Class 2 | 75-100 | 515-690 | 45 | 310 | - | 18 | 45 |
Applications:
There is a top-grade chrome molybdenum alloy steel plate produced for the express purpose of using in carbon steel pressure vessels that can be welded and operate at high temperatures. With the addition of molybdenum, this plate has enhanced tensile strength at elevated temperatures, and with chromium, it is more resistant to corrosion.
FAQ:
Here are some frequently asked questions about GNEE's SA 387 Steel Plates Grade 11 & 22:
Q: What is the brand name of these steel plates?
A: These steel plates are manufactured by GNEE.
Q: What is the model number of these steel plates?
A: The model number of these steel plates is SA 387 Steel Plates Grade 11 & 22.
Q: Where are these steel plates made?
A: These steel plates are made in China.
Q: What are these steel plates used for?
A: These steel plates are pressure vessel steel plates that are used in the manufacture of boilers and storage tanks.
Q: What is the composition of these steel plates?
A: These steel plates are made of chromium-molybdenum alloy steel, which provides excellent resistance to high temperatures and corrosion.
ASTM A387 Grade 11 Cr Mo Alloy Steel Plate For Temperature Pressure Vessels
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