ASTM A387 Grade 9 Alloy Steel Sheets & Plates Manufacturer, Supplier & Exporter in India
ASTM A387 Grade 9 Alloy Steel Sheets & Plates from Astromet Steel & Engineering are high-chromium alloy steels designed for extreme temperature and pressure environments. These plates deliver superior oxidation resistance and mechanical strength.
Grade 9 plates provide excellent creep resistance and thermal stability, making them ideal for critical pressure equipment exposed to prolonged high temperatures.
Their enhanced alloy composition ensures long-term durability, safety, and performance in harsh operating conditions.
ASTM A387 Gr.9 Plates are widely trusted in industries where failure is not an option.
ASTM A387 Grade 9 Alloy Steel Sheets & Plates Specifications
| Specifications | : | ASTM A387 / ASME SA387 |
| Thickness | : | 1mm-300mm |
| Width |
: | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc |
| Length | : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc |
| Surface | : | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish | : | Hot rolled plate (HR), Cold rolled sheet (CR) |
| Form | : | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip etc. |
ASTM A387 Grade 9 Alloy Steel Sheets & Plates Equivalent Grades
| BS | EN | ASTM/ASME | UNS | DIN |
| – | – | A387 / SA 387 | K90941 | – |
ASTM A387 Grade 9 Alloy Steel Sheets & Plates Chemical Composition
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | N |
| Alloy Steel Gr 9 | 0.15 max | 0.30-0.60 | 0.030 max | 0.030 max | 1.0 max | 8.0 – 10.0 | 0.90 – 1.10 | – | – |
ASTM A387 Grade 9 Alloy Steel Plates Mechanical Properties
| Tensile (MPa) | 415 – 585 |
| Yield (MPa) | 205 min |
| Elongation (50mm) | 18% min |
| Reduction of Area | 40% min |
Why Choose Astromet Steel & Engineering?
With global sourcing, certified quality, and industry expertise, Astromet Steel & Engineering delivers ASTM A387 Gr.9 plates that meet the highest safety and performance standards.
ASTM A387 Gr. 9 Plate Usage & Applications
ASTM A387 Gr.9 Sheets & Plates are commonly used in power plants, petrochemical reactors, refinery equipment, heat exchangers, and high-temperature pressure vessels.