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Hard plates are metal plates that are hard and resistant to wear and tear. They are generally made from high alloy steel, aluminium or nickel-based alloys and have superior performance properties such as strength, hardness, toughness, corrosion resistance and dimensional stability. Hard plates are used in multiple industries, from energy and engineering to construction. In the automotive industry, they are used for cylinder blocks (engine components), camshafts (engine components), engine mounts (frame parts), transmission gears and hydraulic piston rods (mechanical parts). In the oilfield, they provide excellent protection against erosion from drilling muds for downhole tools, while nuclear power plants provide shielding for radiation safety.
SAIL Hard Plates are made up of mainly different types of steel. The main composition of these plates consists of a carbon component, usually around 0.35 – 0.45%, and a manganese component, which ranges between 1 – 1.6%, phosphorus (max) 0.04%, and sulfur (max) to 0.05%. Apart from these components, other essential elements present in the SAIL Hard Plates are chromium, silicon, copper, nickel and molybdenum for corrosion resistance and tensile strength and durability properties, respectively. These plates also have high levels of aluminium content along with vanadium, which helps provide additional strength during the welding process or heavy load applications.
SAIL Hard Plates are steel plates used for structural applications in the construction industry. The plates possess superior strength, toughness and corrosion resistance due to their high-strength metal alloy composition. They are widely used to construct buildings, bridges, runways, storage tanks and other large structures that require superior tensile strength. They also repair structures damaged by corrosion or natural calamities like earthquakes. Their extensive usage is attributed to their durability, as they can withstand extreme temperature changes without compromising quality and load-bearing capacity. Moreover, these plates can be easily cut into multiple shapes and sizes according to specifications, saving time during fabrication.
Compared to other types of steel plates, SAIL Hard Plates offer numerous advantages. They have excellent fatigue resistance, high load-bearing capacity, and excellent weldability. Their controlled cooling process ensures the plates have consistent mechanical properties throughout the structure and uniformity in hardness. These plates can also withstand harsh environmental conditions, such as extreme heat, moisture, and corrosion, making them ideal for use in harsh conditions.
| Hardness (as delivered) | : | 250 BHN |
| Tensile Strength | : | 132,000 P.S.I. Min. |
| Yield Strength | : | 90,000 P.S.I. Min. |
| After Work Hardening | : | 550 BHN |
| Widths | : | 48" to 96" |
| Lengths: | : | 120" to 240" |