SA 387 Grade 22 Class 2 is a chromium-molybdenum alloy steel plate designed for pressure vessels and boilers operating at elevated temperatures.
Specifications for ASME SA387 Grade 22 Alloy Steel Plates
| Designation | Nominal Chromium Content (%) |
Nominal Molybdenum Content (%) |
| SA387 Grade 22 | 2.25% | 1.00% |
Tensile Requirements for ASME SA387 Grade 22 Alloy Steel Plates Class 2 Plates
| Designation: | Requirement: | Grade 22 |
| SA387 Grade 22 | Tensile strength, ksi [MPA] | 75 to 100 [515 to 690] |
| Yield strength, min, ksi [MPa]/(0.2% offset) | 45 [310] | |
| Elongation in 8 in. [200mm], min % | ... | |
| Elongation in 2 in. [50mm], min, % | 18 | |
| Reduction of area, min % | 45 (measured on round specimen) 40 (measured on flat specimen) |
Chemical Requirements for ASME SA387 Grade 22 Alloy Steel Plates
| Element | Chemical Composition (%) | |
| SA387 Grade 22 | ||
| Carbon: | Heat Analysis: | 0.05 - 0.15 |
| Product Analysis: | 0.04 - 0.15 | |
| Manganese: | Heat Analysis: | 0.30 - 0.60 |
| Product Analysis: | 0.25 - 0.66 | |
| Phosphorus: | Heat Analysis: | 0.035 |
| Product Analysis: | 0.035 | |
| Sulphur (max): | Heat Analysis: | 0.035 |
| Product Analysis: | 0.035 | |
| Silicon: | Heat Analysis: | 0.50 max |
| Product Analysis: | 0.50 max | |
| Chromium: | Heat Analysis: | 2.00 - 2.50 |
| Product Analysis: | 1.88 - 2.62 | |
| Molybdenum: | Heat Analysis: | 0.90 - 1.10 |
| Product Analysis: | 0.85 - 1.15 |
Key Applications
Oil & Gas Industry
Ideal for pressure vessels, heavy-duty piping, and processing/storage equipment handling high-temperature liquids and gases-especially sour gas with hydrogen sulfide-resisting sulfide stress cracking in harsh downhole and refinery conditions.
Petrochemical Plants
A top choice for fabricating reactors, heat exchangers, and sealed storage tanks, delivering stable performance amid continuous high-temperature, high-pressure hydrocarbon processing cycles.
Power Generation
Widely used for critical components in boilers and high-pressure thermal equipment, withstanding extreme thermal cycling and maintaining creep resistance for long-term uninterrupted operation.
Chemical Processing
Suited for core equipment in corrosive, high-temperature environments, providing robust structural integrity to endure acidic, alkaline, and oxidizing chemical media.
Why Choose Us :
You can get the perfect material according to your requirement at the least possible price.
We also offer Reworks, FOB, CFR, CIF, and door to door delivery prices. We suggest you to do deal for shipping which will be quite economical.
The materials we provide are completely verifiable, right from raw material test certificate to the final dimensional statement.(Reports will show on requirement)
We guarantee to give a response within 24hours(usually in the same hour)
You can get stock alternatives, mill deliveries with minimizing manufacturing time.
We are fully dedicated to our customers. If it will not possible to meet your requirements after examining all options, we will not mislead you by making false promises which will create good customer relations.
Request a professional quotation for SA 387 Grade 11 Class 2 from GNEE Steel.
1.What is SA 387 22 2 material?
SA 387 Grade 22 Class 2 is a high-quality, weldable chromium-molybdenum alloy steel plate specifically designed for high-temperature service in boilers, pressure vessels, and heat exchangers, offering excellent strength, creep resistance, and oxidation resistance due to its 2% chromium and 1% molybdenum content, commonly used in the oil, gas, and chemical industries.
2.What is the price of SA 387 GR 22?
The price of SA 387 Gr 22 steel plate varies significantly by quantity, thickness, and supplier, ranging roughly from $690 to over $1000+ per ton for bulk orders, with smaller "coupon" pieces priced much higher per pound, like $145 for a 3/8" coupon, reflecting its use in high-temperature pressure vessels.
3.What temperature is SA 387 GR 22?
SA 387 Grade 22 (ASTM A387 Gr 22) is a chromium-molybdenum alloy steel designed for high-temperature service, capable of operating effectively up to around 600°C (1112°F), with its minimum tempering temperature typically being 1250°F (675°C), used in pressure vessels, boilers, and heat exchangers in refineries and power plants.