SA 387 Grade 5 Class 2 is a chromium-molybdenum alloy steel used for welded boilers, pressure vessels, and other equipment in high-temperature, corrosive environments, primarily in the oil and gas, petrochemical, and power generation industries, for components like heat exchangers, pressure vessels, and pipelines requiring strength, durability, and corrosion resistance.
Chemical Composition of SA387 GR.5 CL.2 Plate
| C | Mn | P | S | Si | Mo | Cr |
| 0.15 max. | 0.25 - 0.66 | 0.035 | 0.030 | 0.55 max. | 0.40 - 0.7 | 3.9 - 6.1 |
Mechanical Properties of SA 387 GR.5 CL.2 Plate
| Tensile Strength | Yield Strength | Elongation in 50mm (%) | Reduction of area in % |
| 75-100 ksi, 515-690 MPa | 45 Ksi, 310 MPa | 18 |
45 |
Applications of SA 387 Gr 5 Cl 2
Pressure Vessels & Industrial Boilers
Fabrication of high-pressure components like thick-walled vessel shells, boiler drums, steam headers and water-wall panels for power plants, refineries and chemical facilities operating under elevated temperatures and pressures.
Petrochemical & Chemical Processing
Manufacturing of high-temperature reactors, heat exchangers, reboilers and process piping systems that handle corrosive media and mild sour-gas (wet H₂S) conditions.
Oil & Gas Industry
Production of sour-service equipment including separators, dehydration columns, storage tanks and onshore/offshore gathering lines that resist sulfide stress corrosion.
Thermal Processing Systems
Production of key components for pulp and paper mills, such as heat recovery units and high-temperature processing vessels, thanks to its excellent oxidation and creep resistance up to 550°C.
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1.What is SA 387 GR 5 material?
A high quality chrome molybdenum alloy steel plate intended specifically for use in weldable carbon steel pressure vessels at elevated temperatures. Added molybdenum gives the material greater temperature tensile strength and the chromium provides improved corrosion resistance.
2.What is the price of SA 387 GR 5 cl2?
ASME SA 387 Grade 5 Class 2 at ₹ 230/kg