Sheet & Plate
Alloy Steel SA387 Grade 12 Sheet & Plate
Diya Steelloy supplies high-quality Alloy Steel SA387 Grade 12 Sheets & Plates, widely used in high-temperature and pressure environments. This chrome-moly alloy offers outstanding oxidation resistance, thermal stability, and creep strength, making it perfect for use in boilers, pressure vessels, petrochemical processing, and heat exchangers. Grade 12 plates are recognized for their high weldability, toughness, and durability, ensuring efficient operation under extreme working conditions.
Equivalent Grades of SA387 Grade 12
| ASTM | ASME | EN | DIN | BS |
|---|---|---|---|---|
| SA387 Gr 12 Cl 1 / Cl 2 | SA387 Gr 12 | 15CrMoV5-10 | 13CrMoV42 | 621C |
Chemical Composition of Alloy Steel SA387 Grade 12 Sheet & Plate
| Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Silicon (Si) | Chromium (Cr) | Molybdenum (Mo) | Vanadium (V) |
|---|---|---|---|---|---|---|---|
| 0.05 – 0.17 | 0.40 – 0.70 | ≤ 0.025 | ≤ 0.025 | 0.50 max | 0.80 – 1.25 | 0.45 – 0.65 | 0.02 – 0.10 |
Mechanical Properties of Alloy Steel SA387 Grade 12 Sheet & Plate
| Tensile Strength | Yield Strength | Elongation | Impact Energy | Hardness |
|---|---|---|---|---|
| 450 – 620 MPa | ≥ 240 MPa | ≥ 19% | ≥ 42 J (at -18°C) | ≤ 250 HBW |
Physical Properties of Alloy Steel SA387 Grade 12
| Density | Melting Point | Thermal Conductivity | Specific Heat | Electrical Resistivity |
|---|---|---|---|---|
| 7.8 g/cm³ | 1425 – 1510 °C | 26.1 W/m·K (at 20°C) | 460 J/kg·K | 0.22 μΩ·m (at 20°C) |
Specifications
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Material Grade: SA387 Grade 12 Class 1 / Class 2
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Standard: ASTM A387 / ASME SA387
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Thickness Range: 3mm to 100mm (custom on request)
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Width: Up to 2500mm
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Length: Up to 12000mm or as required
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Surface Finish: Hot Rolled, Annealed, Pickled
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Forms Available: Sheet, Plate, Cut-to-size
