ASME SA 387 Grade 11 Class 2 Steel Plate for Pressure Vessels - 0.94-1.56% Chromium, 0.40-0.70% Molybdenum
Price:
1.65 USD/KG
MOQ:
500KGS
Delivery Time:
7 Days
Brand:
WU STEEL
Product Description
ASME SA 387 Grade 11 Class 2 Steel Plate Overview
ASME SA 387 Grade 11 Class 2 is a chromium-molybdenum alloy steel plate specifically engineered for pressure vessels and boilers operating at elevated temperatures. This material offers excellent corrosion resistance and high-temperature strength, making it ideal for demanding applications in oil, gas, and petrochemical industries.
Chemical Composition Specifications
A387/SA387 Alloy Steel Plate Chemical Properties (%)
| Element | Grade 5 | Grade 9 | Grade 11 | Grade 12 | Grade 22 |
|---|---|---|---|---|---|
| Carbon | 0.15 max | 0.15 max | 0.04-0.17 | 0.04-0.17 | 0.04-0.15 |
| Manganese | 0.25-0.66 | 0.25-0.66 | 0.35-0.73 | 0.35-0.73 | 0.25-0.66 |
| Phosphorous | 0.035 | 0.030 | 0.035 | 0.035 | 0.035 |
| Sulfur | 0.030 | 0.030 | 0.035 | 0.035 | 0.035 |
| Silicon | 0.55 max | 1.05 max | 0.44-0.86 | 0.13-0.45 | 0.5 max |
| Chromium | 3.9-6.1 | 7.9-10.1 | 0.94-1.56 | 0.74-1.21 | 1.88-2.62 |
| Molybdenum | 0.40-0.7 | 0.85-1.15 | 0.40-0.7 | 0.4-0.65 | 0.85-1.15 |
Mechanical Properties
A387/SA387 Alloy Steel Plate Mechanical Properties
| Grade | Class | Tensile Strength (ksi) | Tensile Strength (MPa) | Yield Strength (ksi) | Yield Strength (MPa) | Elongation in 50mm (%) |
|---|---|---|---|---|---|---|
| Grade 5 | Class 1 | 60-85 | 415-585 | 30 | 205 | 18 |
| Grade 5 | Class 2 | 75-100 | 515-690 | 45 | 310 | 18 |
| Grade 9 | Class 1 | 60-85 | 415-585 | 30 | 205 | 18 |
| Grade 9 | Class 2 | 75-100 | 515-690 | 45 | 310 | 18 |
| Grade 11 | Class 1 | 60-85 | 415-585 | 35 | 240 | 22 |
| Grade 11 | Class 2 | 70-90 | 485-620 | 45 | 310 | 22 |
| Grade 12 | Class 1 | 50-80 | 380-550 | 33 | 230 | 22 |
| Grade 12 | Class 2 | 60-85 | 415-585 | 40 | 275 | 22 |
| Grade 22 | Class 1 | 60-85 | 415-585 | 30 | 205 | 18 |
| Grade 22 | Class 2 | 75-100 | 515-690 | 45 | 310 | 18 |
Grade-Specific Applications
- A/SA387 GR 5 CLASS 2: High-quality chrome-molybdenum alloy steel plate for weldable pressure vessels at elevated temperatures with improved corrosion resistance and temperature tensile strength.
- A/SA387 GR 9 CLASS 2: Weldable carbon steel plates for pressure vessels and boilers used in elevated temperatures, ideal for oil, gas, and petrochemical industries.
- A/SA387 GR 11 CLASS 2: Pressure vessel grade steel for elevated temperature service with excellent corrosion and oxidation resistance, particularly effective in sour gas applications.
- A/SA387 GR 12 CLASS 2: Chrome-molybdenum carbon alloy steel engineered for elevated temperature service in weldable pressure vessels and industrial boilers.
- A/SA387 GR 22 CLASS 2: Pressure vessel grade steel with good corrosion and oxidation resistance, suitable for elevated temperature applications in oil and gas industries.
- A/SA387 GR 91 CLASS 2: Carbon alloy steel plate with high temperature resistance and excellent anti-corrosion characteristics, versatile for various industrial applications.
Product Certification
All ASME SA 387 Grade 11 Class 2 steel plates are certified with SGS ISO standards, ensuring quality compliance and reliability for critical pressure vessel applications.
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Company
JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location
NO.288,YOUYI ROAD ,XI SHAN DISTRICT,WUXI CITY,CHINA
Contact Person
Gao Ben