ASTM A387 Grade 22 Alloy Steel Sheets
Grade 91 Alloy Steel Sheets
ASTM A387 Grade 22, Grade 91 Alloy Steel Sheets, SA 387 Grade 5, Grade 9 AS Sheets
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Product Description:
Our ASTM A387 Alloy Steel Sheets, including Grade 22 and Grade 91, are engineered for environments requiring exceptional high temperature and pressure resistance. Grade 22 sheets are well-suited for power industry applications, while Grade 91 excels in environments with extreme thermal stresses.
Similarly, our SA 387 Grade 5 and Grade 9 sheets offer robust performance in high-pressure conditions, ideal for oil, gas, and petrochemical sectors.
Each grade combines durability with flexibility to meet stringent operational demands, available in various thicknesses and specifications.
ASTM A387 and SA 387 Alloy Steel Sheets are premium-grade materials designed for applications in high-temperature and pressure environments. With excellent heat and corrosion resistance, these sheets are commonly used in pressure vessels, industrial boilers, and other critical equipment in power generation, petrochemical, and chemical industries.
Key Features
ASTM A387 Grade 22 / SA 387 Grade 22 Alloy Steel Sheets
- Material: Chromium-Molybdenum Alloy Steel.
- Applications: High-temperature pressure vessels and boilers.
- Key Features: Excellent heat resistance, oxidation resistance, and durability.
ASTM A387 Grade 91 / SA 387 Grade 91 Alloy Steel Sheets
- Material: High-Strength Chromium-Molybdenum Alloy Steel.
- Applications: High-pressure applications in refineries, petrochemical plants, and power plants.
- Key Features: Superior creep resistance and long-term stability at elevated temperatures.
SA 387 Grade 5 / Grade 9 Alloy Steel Sheets
- Material: Chromium-Molybdenum Alloy Steel.
- Applications: Applications involving steam, high-temperature gases, and extreme conditions.
- Key Features: Excellent toughness, oxidation resistance, and fatigue resistance.
Advantages
- High-Temperature Strength: Designed to withstand extreme heat and pressure conditions.
- Corrosion Resistance: Excellent protection against oxidation and corrosion in harsh environments.
- Weldability: Superior machinability and welding properties for seamless fabrication.
- Durability: Long service life with resistance to creep and fatigue.
- Versatility: Suitable for various critical applications in energy and industrial sectors.
Why Choose ASTM A387 / SA 387 Alloy Steel Sheets?
With exceptional strength, thermal stability, and resistance to corrosion, ASTM A387 and SA 387 Alloy Steel Sheets are an ideal choice for demanding industrial applications. Their ability to withstand high temperatures and pressures makes them indispensable in the energy, chemical, and manufacturing sectors.
Contact us today for competitive pricing and technical assistance on ASTM A387 Grade 22, Grade 91, SA 387 Grade 5, and Grade 9 Alloy Steel Sheets!
Applications
ASTM A387 Grade 22
- Boilers and steam drums.
- Heat exchangers in power plants.
- Pressure vessel fabrications for high-temperature operations.
ASTM A387 Grade 91
- High-pressure piping systems.
- Components in petrochemical and power plants.
- Industrial fabrications subjected to high creep resistance.
SA 387 Grade 5 / Grade 9
- Chemical processing and gas turbines.
- Industrial boilers and pressure vessels.
- Steam piping systems.
Specifications
| Grade | Standard | Thickness Range | Applications |
|---|---|---|---|
| ASTM A387 Grade 11/12 | ASME/ASTM | 5 mm to 150 mm | Boilers, heat exchangers, pressure vessels |
| SA 387 Class 1 / Class 2 | ASME/ASTM | 5 mm to 150 mm | High-temperature and high-pressure systems |
| EN 10028-2 (P235GH) | EN 10028 | 5 mm to 150 mm | Heat exchangers, storage tanks |
| EN 10028-2 (P265GH) | EN 10028 | 5 mm to 150 mm | Industrial boilers, pressure vessels |
Mechanical
Properties
| Property | ASTM A387 Gr. 11 | ASTM A387 Gr. 12 | P235GH | P265GH |
|---|---|---|---|---|
| Tensile Strength (MPa) | 450 – 585 | 450 – 585 | 360 – 500 | 410 – 530 |
| Yield Strength (MPa) | 275 | 275 | 235 | 265 |
| Elongation (%) | 18 – 22 | 18 – 22 | 24 – 26 | 22 – 25 |
| Max Operating Temperature | Up to 600°C | Up to 600°C | Up to 450°C | Up to 450°C |
Application Industry
Serving Diverse Sectors with Precision & Performance
Om Steel supplies premium steel and alloy products to a wide range of industries, ensuring strength, durability, and performance in every application. From construction, oil & gas, and automotive to power plants, shipbuilding, and chemical processing — our materials meet the demands of critical operations. Trusted by industry leaders, we deliver solutions that stand up to the toughest challenges.
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