Alloy Steel SA387 Grade 22 Sheet & Plate

Diya Steelloy offers premium Alloy Steel SA387 Grade 22 Sheets & Plates, designed to perform reliably under high-temperature and high-pressure conditions. This chromium-molybdenum alloy is renowned for its exceptional thermal resistance, oxidation resistance, and long-term creep strength, making it ideal for use in power generation, petrochemical plants, refineries, and pressure vessels. Our Grade 22 plates exhibit excellent weldability, structural integrity, and surface finish, ensuring longevity and strength in the harshest industrial environments.

Equivalent Grades of SA387 Grade 22

ASTM ASME EN DIN BS
SA387 Gr 22 Cl 1 / Cl 2 SA387 Gr 22 10CrMo9-10 10CrMo910 621A

Chemical Composition of Alloy Steel SA387 Grade 22 Sheet & Plate

Carbon (C) Manganese (Mn) Phosphorus (P) Sulfur (S) Silicon (Si) Chromium (Cr) Molybdenum (Mo)
0.05 – 0.15 0.40 – 0.70 ≤ 0.025 ≤ 0.025 0.50 max 1.90 – 2.60 0.87 – 1.13

Mechanical Properties of Alloy Steel SA387 Grade 22 Sheet & Plate

Tensile Strength Yield Strength Elongation Impact Energy Hardness
515 – 690 MPa ≥ 310 MPa ≥ 18% ≥ 42 J (at -18°C) ≤ 250 HBW

Physical Properties of Alloy Steel SA387 Grade 22

Density Melting Point Thermal Conductivity Specific Heat Electrical Resistivity
7.8 g/cm³ 1425 – 1510 °C 25.5 W/m·K (at 20°C) 460 J/kg·K 0.22 μΩ·m (at 20°C)


Specifications


  • Material Grade: SA387 Grade 22 Class 1 / Class 2

  • Standard: ASTM A387 / ASME SA387

  • Thickness Range: 3mm to 100mm (custom on request)

  • Width: Up to 2500mm

  • Length: Up to 12000mm or as required

  • Surface Finish: Hot Rolled, Annealed, Pickled

  • Forms Available: Sheet, Plate, Cut-to-size

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